. Dansk botanisk arkiv. Plants; Plants -- Denmark. p. 389 Agardh, Alg. Fig. 280. Polysiphonia ferulacea Suhr, J. Ag. Part of a filament with a nearly ripe cystocarp. (About 125:1).. Fig. 281. Digenia simplex (Wulf.) Up- per end of branch with tetrasporan- gia. (About 125:1). 194. J. Medit., p. 147; Spec. Alg., vol. II, pars 3, p. 845. Harvey, W. H., Nereis , part II. p. 30. Falkenberg, P., Rhodomelaceen, p. 159, pi. 9, figs. 25- 29. Conferva simplex Wulf., Cryptogama Aquatica, p. 17. Cfr. De-Toni, Sylloge Alg., vohlV, p. Ill, p. 963, where more synonyms are named. Regarding its anatomy
. Dansk botanisk arkiv. Plants; Plants -- Denmark. p. 389 Agardh, Alg. Fig. 280. Polysiphonia ferulacea Suhr, J. Ag. Part of a filament with a nearly ripe cystocarp. (About 125:1).. Fig. 281. Digenia simplex (Wulf.) Up- per end of branch with tetrasporan- gia. (About 125:1). 194. J. Medit., p. 147; Spec. Alg., vol. II, pars 3, p. 845. Harvey, W. H., Nereis , part II. p. 30. Falkenberg, P., Rhodomelaceen, p. 159, pi. 9, figs. 25- 29. Conferva simplex Wulf., Cryptogama Aquatica, p. 17. Cfr. De-Toni, Sylloge Alg., vohlV, p. Ill, p. 963, where more synonyms are named. Regarding its anatomy and morphological building upon the whole I refer to Falkenberg's exhaustive description 1. c. Digenia simplex occurs both in shallow water and rather exposed places and in deep water. The different localities determine to a large extent the development of the plant; in the first mentioned places the plant is robust, of low growth, about 5—'6 cm high and much ramified, in deep water on the other hand I have gathered specimens about 20 cm high and nearly unbranched. Its stiff, tough stem is a very attractive growing place for numerous small algæ which commonly cover its thallus to such an extent that only the quite young tips are 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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