. Dansk botanisk arkiv. Plants; Plants -- Denmark. F. Børgesen : Rhodophyceæ of the Danish W. Indies. 217 where hairs seldom occur. On the other hand, in the young summits of the plant being in active growth I have now by a renewed examination of the plant found hairs in the ends of the filaments. The hairs are about 3 fj. broad and 150// long. The sporangia are obovate-oblong, tetrahedrally divided (Fig. 203 C, D)\ they are sessile and occur on the uppermost and inward side of the. Fig. 203. Callithamnion cordatum Borgs. A, base of a plant (25:1). B, end of filament with hair (100:1). C, part


. Dansk botanisk arkiv. Plants; Plants -- Denmark. F. Børgesen : Rhodophyceæ of the Danish W. Indies. 217 where hairs seldom occur. On the other hand, in the young summits of the plant being in active growth I have now by a renewed examination of the plant found hairs in the ends of the filaments. The hairs are about 3 fj. broad and 150// long. The sporangia are obovate-oblong, tetrahedrally divided (Fig. 203 C, D)\ they are sessile and occur on the uppermost and inward side of the. Fig. 203. Callithamnion cordatum Borgs. A, base of a plant (25:1). B, end of filament with hair (100:1). C, part of tetrasporic plant (50:1). D, tetra- spore (150:1). E, part of antheridial plant (60 : 1). F, cell with antheridial stand (150: 1). G, cystocarp (60 : 1). H, young procarp (150 : 1). /, older pro- carp with fully developed trichogyne (150:1). K, transverse section of a cystocarp (60 : 1).. 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 Dansk botanisk forening. Kbenhavn : Dansk botanisk forening


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Keywords: ., bookcentury1900, bookcollectio, bookdecade1910, booksubjectplants