. Dansk botanisk arkiv. Plants; Plants -- Denmark. F. Borgesen: Rhodophyceæ of the Danish W. Indies. 223 Higher up in the stem the cells grow evenly, thin- ner in the middle of the plant about 85 tj. thick, becoming at the same time more thin-walled and long- er (4—5 times as long as broad), decreasing in thick- ness evenly towards the apex, the ultimate cells being only 8—11 p. thick. These often, but not always, end in a thin hair (Figs. 210 A 211^). Breadth of the hair about 3/^. The plant is not corti- cated. It is richly rami- fied on all sides, in the uppermost part subdicho- tomously. B
. Dansk botanisk arkiv. Plants; Plants -- Denmark. F. Borgesen: Rhodophyceæ of the Danish W. Indies. 223 Higher up in the stem the cells grow evenly, thin- ner in the middle of the plant about 85 tj. thick, becoming at the same time more thin-walled and long- er (4—5 times as long as broad), decreasing in thick- ness evenly towards the apex, the ultimate cells being only 8—11 p. thick. These often, but not always, end in a thin hair (Figs. 210 A 211^). Breadth of the hair about 3/^. The plant is not corti- cated. It is richly rami- fied on all sides, in the uppermost part subdicho- tomously. Both the younger and older cells have only a single nucleus (Fig. 210 B, F), in accor dance with the description of Schmitz^). The parietal chromato. Fig. 210. Seirospora occidentalis Børgs. A, base of a plant (25 :1). B and C, branches with tetraspores 60 :1). D, branch with antheridia (60 : 1). E, antheridia (150 : 1). F, cells with chromatophores and nucleus (150:1).. 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
