RFJG5G05–Alonei Abba nature reserve at Spring, Israel
RMMA7BXE–. Electrolytes in biological systems, incorporating papers presented at a symposium at the Marine Biological Laboratory in Woods Hole, Massachusetts, on September 8, 1954 . 3-PHOSPHOGLYCERALDEHYDE 3-PHOSPHOGLYCERIC ACID PHENYLURETHANE DNC PHENYLURETHANE DNC ENERGY- . UTILIZING , No+ ^.MECHANISMS ^j<^ "'"'^ fu^ CELL "MEMBRANE" DIFFUSION ^ M«17 ^K"^ 'DIFFUSION Fig. 21. Diagrammatic representation of the interpretation of the data presented above. the ratio of total exterior surface to total mass is much greater in Ulva than in Valonia. These last two factors are impo
RFRTKK3M–Little tree among human hands
RMRWK1Y9–Electrolytes in biological systems, incorporating Electrolytes in biological systems, incorporating papers presented at a symposium at the Marine Biological Laboratory in Woods Hole, Massachusetts, on September 8, 1954 electrolytesinbi00shan Year: 1955 44 ELECTROLYTES IN BIOLOGICAL SYSTEMS what reduced compared to the controls (fig. 4). Light also prevents an increase in sodium when the inhibitor concentration is raised to 0.005 m/1. Influence of iodoacetate in the light and the dark: Valonia. The presence of the inhibitor at a concentration of o.ooi m/1. causes no significant change in the p
RMAP7F6X–Mount Tabor Oak tree at Sheikh Ibrahim Tomb in Banias the Golan Heights
RMMBAEJ0–View od Dinant
RM2CDF61E–. Algæ. Vol. I. Myxophyceæ, Peridinieæ, Bacillarieæ, Chlorophyceæ, together with a brief summary of the occurrence and distribution of freshwat4er Algæ . f his extensive West Indian investigations, discriminatesbetween four sub-families of the Valoniaceae. Sub-family VALONIE.E. In this, the most primitive division of theValoniacese, the thallus consists at first, and in Valonia ventricosa always, ofa single large sac-like coenocyte which typically becomes branched. Septasoon appear, cutting off small lenticular, multinucleate, peripheral portions ofthe protoplasm (fig. 162 a, a). In Valonia th
RF2BX3XHG–Provinces of Belgium. Map of regional country administrative divisions. Colorful vector illustration.
RFJG5F4T–Alonei Abba nature reserve at Spring, Israel
RMMA7BXF–. Electrolytes in biological systems, incorporating papers presented at a symposium at the Marine Biological Laboratory in Woods Hole, Massachusetts, on September 8, 1954 . 200 HOURS 250 300 350 Fig. 18. Influence of cold (2-5°C) on the potassium and sodium content of Valonia macro- physa. At the time indicated by the arrow the cells were transferred to running sea water at i8°C in the light. 24-hour period. Two features of the data are outstanding: i) the potassium reaccumulation is, within experimental error, linear; and 2) the presence of sodium in the external fluid made no measurable diff
RFRTKK23–Little tree among human hands
RMAP5NKT–Mount Tabor Oak tree at Sheikh Ibrahim Tomb in Banias the Golan Heights
RMMBAEHP–View od Dinant
RM2CHWX38–. The practical book of oriental rugs . shellfish found in the ^gean Sea,but the secret of making it has long since becomea lost art. A great many shades of purple, helio-trope and lavender are obtained from the differ-ent red dyes in combination with indigo and thedye woods as well as from the bodies of marineinsects and moUusks. Geay.—Gray is secured from Smyrna gall-nuts with copperas. Salmon.—Salmon is obtained by mixingmadder with valonia. Violet.—^Violet is frequently made from milk,sour grape juice, madder and water. DAGHESTAN RUGSi2e8x36» FROM TBE COLLECTION OF THE AUTHOB Knot: Ghiorde
RF2JBH2Y5–Provinces of Belgium. Map of regional country administrative divisions. Colorful vector illustration
RFJG5G1D–Alonei Abba nature reserve at Spring, Israel
RMMA7BX9–. Electrolytes in biological systems, incorporating papers presented at a symposium at the Marine Biological Laboratory in Woods Hole, Massachusetts, on September 8, 1954 . 0 50 100 150 200 250 300 350 400 HOURS Fig. 17. Loss of potassium and gain of sodium in Valonia macropliysa resulting from o.ooi m/1. phenyl urethane. At the time indicated by the arrow the cells were transferred to running sea water without the inhibitor. Attempts to demonstrate an influence of temperature on sodium and potas- sium balance in Ulva have not been too successful since these cations in Ulva undergo no signific
RFRTKK4N–Little tree among human hands
RMAP7ERK–Mount Tabor Oak tree at Sheikh Ibrahim Tomb in Banias the Golan Heights
RMAP5K5M–Israel the Lower Galilee Mount Tabor Oak tree quercus ithaburensis in Beth Keshet
RMMBAEH0–View od Dinant
RM2CHKANK–. Eighth International congress of applied chemistry : Washington and New York, September 4 to 13, 1912 ... -- . xtract consti-tutes 45% of tannage of sole leather, Quebracho constitutes 25%,Hemlock Bark 15%, Oak Bark 10%, Mangrove, Myrabolamsand Valonia 5%. Harness and belt leather tannages about insame proportion as sole leather. Upper leathers are tanned in aconstantly increasing proportion by the chrome process. Goat-skins are tanned by two bath chrome process. Sheep-skins stilltanned largely by vegetable tanning agents. Calf-skins tanned byboth one and two bath tannages, when two bath pro
RF2D8H4PB–Provinces of Belgium. Map of regional country administrative divisions. Colorful vector illustration.
RFJG5FTY–Alonei Abba nature reserve at Spring, Israel
RMME6K15–. Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet . Fig. U9. Valonia utricularis (Roth) Ag. A ganze Pfl.: die schlauchförmige Staramzelle trägt an der Spitze 5 entwickelte Astzellen und 2 Kandzellen {a, a), die noch nicht zu Seitenästen ausgewachsen sind; in der unteren Hälfte der Stammzelle finden sich kleine Randzellen in größerer Anzahl, vereinzelt oder gehäuft, und an der Basis sind 3 Randzellen zu klammer- artigen Rhizoiden ausgewachsen (4/1); B Zelle, welche Sc
RFRTKK5C–Little tree among human hands
RMAP5K6T–Israel the Lower Galilee Mount Tabor Oak tree quercus ithaburensis in Beth Keshet
RMMBAEFG–View od Dinant
RMBH0A9J–Israel, Lower Galilee, Mount Tabor Oak at Alon Tavor Field School
RMRD7CGN–. Electrolytes in biological systems, incorporating papers presented at a symposium at the Marine Biological Laboratory in Woods Hole, Massachusetts, on September 8, 1954. Electrophysiology; Electrolytes; Electrolytes; Electrophysiology; Physiology, Comparative. 62 ELECTROLYTES IN BIOLOGICAL SYSTEMS of potassium and the secretion of sodium, that these mechanisms are inde- pendent of each other, and that they are energized by the metaboHc degrada- tion of carbohydrate (fig. 21). Any comparison between Ulva and Valonia must take cognizance of the morphological differences between the cells of th
RFJG5F87–Alonei Abba nature reserve at Spring, Israel
RFRTKK50–Little tree among human hands
RMMBAEF4–View od Dinant
RMBH0A9R–Israel, Lower Galilee, Mount Tabor Oak at Alon Tavor Field School
RMRHG7NP–. Biological effects of radiation; mechanism and measurement of radiation, applications in biology, photochemical reactions, effects of radiant energy on organisms and organic products. Radiation; Biology. 632 BIOLOGICAL EFFECTS OF RADIATION terize ordinary permeability phenomena (cf. Lucke and McCutcheon, 244). None of the work considered has taken into account the effects of light of different wave-lengths. The first investigation of this problem is that of M. M. Brooks (45), who worked with the large cells of the alga Valonia macrophysa and determined colorimetrically the penetration of 2-,
RFJG5FNF–Alonei Abba nature reserve at Spring, Israel
RFRTKK30–Little tree among human hands
RMMBAEDX–View od Dinant
RMBH0AGB–Israel, Lower Galilee, Mount Tabor Oak at Alon Tavor Field School
RMAY734W–The Golan Heights Mount Tabor Oak Quercus ithaburensis at the Circassian cemetery near Marom Hagolan
RMRPW7HC–. Album général des diatomées marines, d'eau douce ou fossiles : album représentant tous les genres de diatomées et leurs principales espèces. Diatoms. ALG^^. PL 92. Valonia macrophysa Dasycladus clavaeformis VI. CHLOROPHYCE^ 4. Siphonocladiales. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Coupin, Henri, b. 1868. Paris : H. Coupin
RFJG5FEP–Alonei Abba nature reserve at Spring, Israel
RFRTKK32–Little tree among human hands
RMMBAEDG–View od Dinant
RMAY732W–The Golan Heights Mount Tabor Oak Quercus ithaburensis at the Circassian cemetery near Marom Hagolan
RMRE9KNB–. Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania, vol. 14. Botany; Botany. 10 THE BOTANICAL REVIEW tative cells of Spirogyra which are developing into gametes (Lloyd 1926, 1928). As the cells contract, previous to their passage into the conjugating tubes, special contractile vacuoles form and empty the cell-sap from the large central vacuole into the surrounding medium. SALT CONTENTS OF VACUOLES The contents of vacuoles can be analyzed directly only in such favorable material as the marine coenocytic alga, Valonia, and the aquatic group,
RFJG5FGT–Alonei Abba nature reserve at Spring, Israel
RFRTKK3F–Little tree among human hands
RMMBAEEK–View od Dinant
RMRH8H0G–. Botany of the living plant. Botany. MECHANICAL CONSTRUCTION OF PLAXT-BODY i simple but ineffective method has been made by the Algal family of the Siphoneae. But it is only under favourable conditions that it can succeed, for it is obviously a weak method of construction. Un- less buoyed up by water it is unsuitable except in the case of small organisms. Some relatively small members of the Siphoneae, such as Protosiphon or Vaucheria, live in damp situations exposed to the air. But all the larger forms are submerged, and live usually in still lagoons or pools. In Valonia ventricosa, which is
RFJG5FTA–Alonei Abba nature reserve at Spring, Israel
RFRTKK38–Little tree among human hands
RMMBAEET–View od Dinant
RMRD7CH0–. Electrolytes in biological systems, incorporating papers presented at a symposium at the Marine Biological Laboratory in Woods Hole, Massachusetts, on September 8, 1954. Electrophysiology; Electrolytes; Electrolytes; Electrophysiology; Physiology, Comparative. 58 ELECTROLYTES IN BIOLOGICAL SYSTEMS enough to account for the observed ratio of internal to external potassium and the Donnan principle cannot apply (28). Influence of Cold on Ulva and Valonia. One of the first suggestions that there was a close association of metabolism with cation regulation was made by Harris (16) on observing a r
RFJG5F78–Alonei Abba nature reserve at Spring, Israel
RMMBAEEA–View od Dinant
RMRDXPBD–. Botany of the living plant. Botany. MECHANICAL CONSTRUCTION OF PLANT-BODY 139 simple bill ineffective nielhud has been made by the Algal family of the Siphoneae. But it is only under favourable conditions that it can succeed, for it is obviously a weak method of construction. Un- less buoyed up by water it is unsuitable except in the case of small organisms. Some relatively small members of the Siphoneae, such as Protosiplion or Vajicheria, live in damp situations exposed to the air. But all the larger forms are submerged, and live usually in still lagoons or pools. In Valonia venlricosa, wh
RFJG5FD6–Alonei Abba nature reserve at Spring, Israel
RMMBAEJB–View od Dinant
RMRHKW3C–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ION TRANSPORT IN VALONIA 341 potential (Walker, 1955; Kishimoto, 1959; Nagai and Kishimoto, 1964; Findlay and Hope, 1964; Spanswick and Williams, 1964). At the plasmalemma, both the large negative potential and the active extrusion of Na+ are features common to many cells. Two other marine algae, Halicystis and Porphyra, show cytoplasmic potentials of —SO and -42 mv, respectively (Blount and Levedahl, 1960; R. W. Eppley, personal communication). In fresh-water algae and higher plants the plasmalemma potentials are usually so
RFJG5FA9–Alonei Abba nature reserve at Spring, Israel
RMRHA008–. Botanisk tidsskrift. Botany; Plants; Plants. — 260 — On examining my large material of this interesting plant I have arrived at the result that, even if it is in several regards nearly related to Valonia, it nevertheless shows important differ- ences approaching it to several other genera e. g. Apjohnia, Sipho- nocladus etc., for which reason I think it most suitable to consider it as representing a new genus. Before pointing out the ways in which it shows likeness with and differences from the above-mentioned genera, I shall give a description of the plant. As is the case with so many relat
RFJG5FBN–Alonei Abba nature reserve at Spring, Israel
RMRD7CHH–. Electrolytes in biological systems, incorporating papers presented at a symposium at the Marine Biological Laboratory in Woods Hole, Massachusetts, on September 8, 1954. Electrophysiology; Electrolytes; Electrolytes; Electrophysiology; Physiology, Comparative. 44 ELECTROLYTES IN BIOLOGICAL SYSTEMS what reduced compared to the controls (fig. 4). Light also prevents an increase in sodium when the inhibitor concentration is raised to 0.005 m/1. Influence of iodoacetate in the light and the dark: Valonia. The presence of the inhibitor at a concentration of o.ooi m/1. causes no significant change
RFJG5F5P–Alonei Abba nature reserve at Spring, Israel
RMRHA00D–. Botanisk tidsskrift. Botany; Plants; Plants. — 258 — of Valonia. If this is the case, Schmitz' description of the evo- lution of the thallus can agree better with the real condition in this plant. Whilst, as mentioned above, I have not succeeded in finding any trace of zoospore-formation in D. favulosa, I have been so for- tunate as to find a specimen of D. van Bosseœ, whose cells without any doubt were about to form zoospores (Fig. 9). Whilst in the normal vegetative cells the chromatophores with pyrenoids and nuclei form a net-work in the wall-plasma, in those in question the cell contents
RFJG5F9X–Alonei Abba nature reserve at Spring, Israel
RMRDXNRM–. An introduction to the study of seaweeds. Algae. 164 SEAWEEDS and Anadyomenc, not in special zoosporangia but in any of the ordinary thallus cells. The zoospores are bi-ciliated, with a hyaline anterior end and a red spot. Nothing is known of their further history. In Valonia ventricosa (Fig. 46) there arise by free cell-formation a large number of spores with cell-. FiG. 49,—Boodlea coacta. magnified. u, tlialliis filaments; b, two baptera highly membranes. They do not all arise simultaneously, since in some specimens comparatively few spores are to be found, while a considerable amount of
RFJG5FHY–Alonei Abba nature reserve at Spring, Israel
RMRJWY4T–. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 49 Farquhar Group /PyP p|^. ^ p p p Figure 16. Horizontal distribution of algal and seagrass species at Farquhar Atoll. 1- Thalassodendron ciliatum, 2 - Udotea, 3 - Halimeda species, 4 - Valonia aegagropila, 5 - Caulerpa cupressoides, 6 - Microdictyon okamurai, 7 - Boodlea struveoides, 8 - crustose species, 9 - Turbinaria ornata, 10 - Liagora ceranoides, 11 - Sargassum ilicifolium, 12 - Laurencia species, 13 - Haloplegma duperreyi, 14 - Thalassia hemprichii.. Please note that these images are extracted from sc
RFJG5G24–Alonei Abba nature reserve at Spring, Israel
RMRHA019–. Botanisk tidsskrift. Botany; Plants; Plants. -, 251 - of the cell has often a longer or shorter root-like prolongation (fig. 5c,e), upon the lowermost end and sides of which we find a great number of small unicellular rhizoids which grow out, one from each of the numerous small cells occurring here very similar to those found in Valonia. Also higher up on the cell we often find many of these small cells arranged as a rule in rows (fig. 5^), some of them also more scattered. How far the origin of these. Fig. 5. Dictyosphœria favulosa (Ag.) Decsne. a. part of a thallus with cells in division i
RFJG5FY3–Alonei Abba nature reserve at Spring, Israel
RMRH9PJG–. Botanische Zeitung. Plants; Plants. — ISO - f. crustacea Kck. Blasen verzweigt, durcheinander gewunden, zu einem dichten Lager vereinigt, mit ihren Kuppen in gleicher Höhe endigend. In der Brandungszone. Valonia aegagropila Ag. Blasen schlauchförmig, dicht, oft wirtelig verzweigt, zu runden Ballen vereinigt. Große und kleine Uhrglaszellen selten. Schwärrnsporenbildung unbekannt. Lebt in flachem Wasser lose umherrollend. f. tyjoica. Schläuche unregelmäßig, keulenförmig. f. reneta Kck. Schläuche wirtelig. f. confervacca Zan. Schläuche sehr dünn, stark durcheinander gewunden. Endlich mögen hier
RFJG5F93–Alonei Abba nature reserve at Spring, Israel
RMRHHC1C–. Blätter für Aquarien- und Terrarien-Kunde. 606 Paul Kammerer: Aquarien-und Terrarien-Ausstellung des Vereins „Lotus" in Wien 1908. fasciatus war ebenfalls vertreten, aber in einem mit Stratiotes aloides bepflanzten Süsswasserglase! Nicht etwa allmählich an dieses gewöhnt, sondern unver- mittelt aus recht konzentriertem Salzwasser hinein- gesetzt. Wir kommen auf diese Erscheinung in besonderen Aufsätzen zurück. Halten wir beim Seewasseraquarium, so darf der Meeresalgen nicht vergessen werden, die jetzt schon in ziemlich reicher Auswahl (Dasycladus clavaeformis, Valonia utricularis, Chaet
RFJG5G2X–Alonei Abba nature reserve at Spring, Israel
RMRH9PK3–. Botanische Zeitung. Plants; Plants. 176. Fig. 19. Fuß einer Haptere von Valonia aegagropila Ag. Vergr. soo/i. Fig. 20. Valonia aegagropila Ag. aus den Lagunen von Venedig, leg. Levi-Morenos. Phykotk. univ. Nr. 521. Herauspräparierter kandelaber- förmig verzweigter Sproß. Vergr. %.. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Mohl, Hugo von, 1805-1872; Schlechtendal, D. F. L. von (Diederich Franz Leonhard), 1794-1866.
RFJG5FPJ–Alonei Abba nature reserve at Spring, Israel
RMRHKW45–. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. ION TRANSPORT IN VALONIA 337 Preliminary calculations suggest that the exchange of intracellular K42 proceeds at two exponential rates. The rapidly exchanging fraction (K42A) was obtained by subtracting the extrapolated portion of the slow fraction (K42 B) from the total activity. The faster rate probably represents exchange of protoplasmic K+ rather 100 80 60 40 o z z Q£ >- | 20 10 8 * K 2 A (X 10"1). 8 10 HOURS FIGURE 1. Efflux of Na22 and K4" from cells of V. vent-vie osa, previously labeled for 5 hours (Na22
RMRH9PME–. Botanische Zeitung. Plants; Plants. 158 — 1. Valonia macrophysa JTüts. Äußerer und innerer Aufbau. Beschäftigen wir uns zuerst wieder mit der äußeren Morphologie. V. macrophysa bildet bei Rovigno bis 4 cm hohe glänzendgrüne Blasen die bald birnenförmig, bald eiförmig oder kugelig sind, meist Tochterblasen tragen und selten einzeln, gewöhnlich in kleinen Gruppen oder ganzen Konglomeraten auf anderen ausdauernden Algen oder auf schalentragenden Tieren sitzen. (Näheres unter „Lebensweise".) Isolieren wir ein Individuum, das mit mehreren anderen ein kleines Exemplar von Lithothamnion racemu
RMRJWXTF–. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 57. 200 400 600 800 D/STAA/Cf , m 1000 P-/; t-2. 7p-3;Q -4; T-5; m-6 ; +-7 ; qo - 5 Figure 24. Vertical distribution of dominant species, biomass and percent cover of algae and seagrasses at St. Joseph Atoll. 1 - Thalassodendron ciliatum, 2 - Thalassia hemprichii, 3 - Boodlea struveoides, 4 - Cladophoropsis sundanensis, 5 • Laurencia species, 6 - Valonia fastigiata 7 - Dictyosphaeria species, 8 - Halimeda species.. Please note that these images are extracted from scanned page images that may have been digitall
RMRH9PJY–. Botanische Zeitung. Plants; Plants. Fig. 19. Fuß einer Haptere von Valonia aegagropila Ag. Vergr. soo/i. Fig. 20. Valonia aegagropila Ag. aus den Lagunen von Venedig, leg. Levi-Morenos. Phykotk. univ. Nr. 521. Herauspräparierter kandelaber- förmig verzweigter Sproß. Vergr. %.. Fig. 21. Wie Fig. 20, mehr unregelmäßig verzweigt. Die Pfeile zeigen die Fortsetzung der Hauptsprosse an. Bei * die Stammzelle. Vergr. 4/i. Stellen des stattlichen Ballens ist diese mehr unregelmäßige Verzweigung vorherrschend (Textfig. 21). Die an den Seitensprossen querwandlos vorbeiwachsenden Hauptspros- se sind dur
RMRJ9C6G–. The chemistry of agriculture, for students and farmers. Agricultural chemistry. SUMMARY 103 (/) Fruit of Divi-Divi, a West Iiulijiii tree, coiitainiiitr 30 to 50 per cent, of tannin; and of Myrobalans, an Indian and Chinese tree, 20 to 40 per cent, of tannin. (g) Acorn cups, called Valonia, of a certain kind of oak, containing 25 to 35 per cent, of tannin. (A) Dried sap, called Kino, from Indian and African trees, containing 75 per cent, of tannin.. Fig. 24.âH( â k liark and logs to be used for tanning. (Rhoads.) (i) Galls, or Nut Galls, a diseased excrescence on cer- tain Persian and Turkis
RMRH9PJC–. Botanische Zeitung. Plants; Plants. — 182 Famintzins Beobachtung, daß bei der Bildung der Zoosporen von Valonia utriciüarig Plasma in der Zelle zurückbleibt (vgl. oben p. 173). Diese Erscheinung hat aber mit den Verbältnissen bei Halicystis nichts zu tun, sondern ist ein ganz allgemeiner Vorgang, der überall, wo Schwärmsporen ausgestoßen werden, sich einstellt und z. B. bei jeder Entleerung eines Phaeosporeensporangiums leicht wahrgenommen werden kann. Die Verschiedenheit liegt vielmehr darin, daß bei Halicystis in derselben vielkernigen ringsum geschlossenen Blase vegetative und regenerativ
RMRHA026–. Botanisk tidsskrift. Botany; Plants; Plants. — 244 — in alcohol; judging from this alone I would have been most inclined to consider them as forms or varieties of the same species only. I have found this species growing in rather exposed localities in shallow water and in deep water at a depth of about 30 meters. It is found: St. Croix, at White Bay; St. Jan, off Cruz Bay. Valonia utricularis (Roth) Ag. G. Agardh, Species Algarum, vol.1, p. 431. J. Agardh, Till Algernes Systematik, VIII, p. 98. P. Kuckuck, Über den Bau und die Fortpflanzung von Halicystis Aresen, und Valonia Ginn. (Bot. Zeit
RMRH8GGE–. Botánica descriptiva. Compendio de la flora española. Estudio de las plantas que viven espontáneamente en España y de las más frecuentemente cultivadas que tienen aplicaciones en medicina, agricultura, industria y horticultura. Plants. CODIÜM diámetro, que vive formando grupos y constituyendo un estrato arracimado que puede alcanzar bastante extensión; superficie harinosa. Fosos, charcos y estanques desecados. Centro, E. y O. GEN. VALONIA GIN. —Fronde irregularmente tnbulosa o vejigosa, más o menos ramosa y constituida por una sola célula membranácea o hialina. 194. V. utricularis ^^.—Cespit
RMRH8GH2–. Botánica descriptiva. Compendio de la flora española. Estudio de las plantas que viven espontáneamente en España y de las más frecuentemente cultivadas que tienen aplicaciones en medicina, agricultura, industria y horticultura. Plants. !88 ALGAS inmóviles {Boirydium) pero es más general que sea por zoosporas con 1-2 o una corona de filamentos vibrátiles, considerándose en este último caso como una colonia de zoosporas biflageladas. Se pueden multiplicar por acodo natural {Cualerpd) y por gemación {Botrydium). En el género Valonia, ciertas porciones del protoplasma periférico se envuelven en
RMRH9PKR–. Botanische Zeitung. Plants; Plants. — 168 — die in ihrem makroskopischen Aussehen bereits zu der sehr charakteristischen Brandungs- form überleiten, zu der ich nun übergehe. Das Material dazu lieferte mir das Felseneiland Bagnole, ein kleiner Scoglio, der aus über 30 m tiefem Wasser südwestlich von Rovigno hervorragt und einen weit ins Meer vorgeschobenen, der See preisgegebenen Pfeiler darstellt. Hier wachsen im Niveau an den stark zerfressenen und sonst kahlen Felsen echte Brandungs-. Fig. 12. Valonia utricularis (Eoth) Ag. von Rovigno; leg. v. Liechtenstern im September xh m tief. Vergr.
RMRH9PM2–. Botanische Zeitung. Plants; Plants. — 165 verkürzte Hapterenzelle und sorgt für die äußerliche Anheftung des Keimlings am Substrat. Die obere anfangs noch zylindrische oder keulenförmige Zelle wird bald schon sehr früh eiförmig, bald bleibt sie noch eine Zeitlang zylindrisch und erhöht dann die Ähnlichkeit des Keimlings mit einem Keimpflänzchen von Cladophora. Auch hier klammert sich die als Basalzelle nach unten abgeschiedene Zelle mit kleinen Aussackungen am Substrat fest, während die obere Zelle heranwächst und im Gegensatz zu Välonia bald Querwände bildet. Es kommt hinzu, daß auch bei Cl
RMRH9PK8–. Botanische Zeitung. Plants; Plants. 172 - Er sammelte schönes Material im Januar 1859 an einem Felsen im Golf von Jouan bei Antibes, „dans les fentes obscures duquel croissaient en abondance de tres beaux ecbantillons de Valonia -utricularis qui formaient de larges touffes gazonnantes." Im Jahre 1860 beschreibt Zanardini unter dem Namen Valonia caespitula eine Pflanze, die wohl als Form hierher zu ziehen ist1). Habituell steht sie zwischen den in. Fig. 17. Wie Fig. 15, vom 1. November 1899. A und B 2 Blasen mit wirtelig nach unten wachsenden Schlauchblasen, mit großen Uhrglaszellen und
RMRJWY2P–. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 2 mm 1. Habit of plant. Valonia macrophysa Kutzing 1843:307. Thallus of large macroscopic, crowded cells; of indeterminate diameter, to 5 cm thick; shiny, dark olive-green; rhizoids extending from basal cells. Cells tightly packed, 5-15 mm diam., 1-4 cm long, spherical, oblong to club- shaped; cell wall thin, tough, elastic; branching irregular, from base or any exposed area. Fracture zone specimens: Seagrass bed of central fracture, 3 m deep on mangrove peat, 16.ii.1993, D&M Littler 25027 (US). Seagrass b
RMRJWY3G–. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 2 mm 1. Habit of plant. Valonia macrophysa Kutzing 1843:307. Thallus of large macroscopic, crowded cells; of indeterminate diameter, to 5 cm thick; shiny, dark olive-green; rhizoids extending from basal cells. Cells tightly packed, 5-15 mm diam., 1-4 cm long, spherical, oblong to club- shaped; cell wall thin, tough, elastic; branching irregular, from base or any exposed area. Fracture zone specimens: Seagrass bed of central fracture, 3 m deep on mangrove peat, 16.ii.1993, D&M Littler 25027 (US). Seagrass b
RM2AGAYXY–. Arboretum et fruticetum britannicum; or, The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described; with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape-gardening; preceded by a historical and geographical outline of the trees and shrubs of temperate climates throughout the world. J-VL 12 rt. high, 3 in. diji. .i()8 Qiiercus JS/gilops.The ^gilops, or Valonia, Oak.
RM2AGAYME–. Arboretum et fruticetum britannicum; or, The trees and shrubs of Britain, native and foreign, hardy and half-hardy, pictorially and botanically delineated, and scientifically and popularly described; with their propagation, culture, management, and uses in the arts, in useful and ornamental plantations, and in landscape-gardening; preceded by a historical and geographical outline of the trees and shrubs of temperate climates throughout the world. .i()8 Qiiercus JS/gilops.The ^gilops, or Valonia, Oak.. Full-grown tree at Syon ; 24 ft. high, diani. of the trunk 18 in., and of the head 3(1 ft.[
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