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. Botanisk tidsskrift. Plants; Plants -- Denmark. Fig. IS. Chaetoceras Vanheurckii Gran. Chain in front view, cell in side view (il^). Fig. 19. Chaetoceras Van- heurckii Gran. Gliain â with endospores in front view (111). rather well with the description by Gran; the chains are straight, fora- mina lanceolate to narrow-elliptic, hoop about a third part of the cell with constricted sutures; chromatophore one; awns straight, seen from the valve diverging at a right angle; spores about in the middle of the cells, primary valve arcuate with numerous spines, secundary valve humped with longer spine

. Botanisk tidsskrift. Plants; Plants -- Denmark. Fig. IS. Chaetoceras Vanheurckii Gran. Chain in front view, cell in side view (il^). Fig. 19. Chaetoceras Van- heurckii Gran. Gliain â with endospores in front view (111). rather well with the description by Gran; the chains are straight, fora- mina lanceolate to narrow-elliptic, hoop about a third part of the cell with constricted sutures; chromatophore one; awns straight, seen from the valve diverging at a right angle; spores about in the middle of the cells, primary valve arcuate with numerous spines, secundary valve humped with longer spine Stock Photo
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Library Book Collection / Alamy Stock Photo

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RH97FW

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1538 x 1624 px | 26 x 27.5 cm | 10.3 x 10.8 inches | 150dpi

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. Botanisk tidsskrift. Plants; Plants -- Denmark. Fig. IS. Chaetoceras Vanheurckii Gran. Chain in front view, cell in side view (il^). Fig. 19. Chaetoceras Van- heurckii Gran. Gliain â with endospores in front view (111). rather well with the description by Gran; the chains are straight, fora- mina lanceolate to narrow-elliptic, hoop about a third part of the cell with constricted sutures; chromatophore one; awns straight, seen from the valve diverging at a right angle; spores about in the middle of the cells, primary valve arcuate with numerous spines, secundary valve humped with longer spines on the humpe; further both valves possess along the margins a wreath of parallel, straight apiculi. 10 (r). Area: Yeddo Bay.. 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.. Botaniske forening i Kbenhavn; Botaniske forening i Kbenhavn. Journal de botanique; Dansk botanisk forening. Kbenhavn : G. E. C. Gads Forlag