Archive image from page 396 of Dansk botanisk arkiv (1913-1981). Dansk botanisk arkiv danskbotaniskark03dans Year: 1913-1981 1'. Børgesen: Rhodophyceæ of the Danish W. Indies. 389 Julius Kütz., Tab. phycoL, vol. 18, pi. 93), Rh. linearis J. Ag., Rh. ligulata'Zandird. etc. may be pointed out. The plant was found at a depth of about 10—15 fathoms of water. It was growing, apparently rather abundantly, in the sound between St. Thomas and St. Jan as a component of the very rich algal vegetation found here. St. Jan: Found in several places in the sound between this island and St. Thomas: off Cruz
Archive image from page 396 of Dansk botanisk arkiv (1913-1981). Dansk botanisk arkiv danskbotaniskark03dans Year: 1913-1981 1'. Børgesen: Rhodophyceæ of the Danish W. Indies. 389 Julius Kütz., Tab. phycoL, vol. 18, pi. 93), Rh. linearis J. Ag., Rh. ligulata'Zandird. etc. may be pointed out. The plant was found at a depth of about 10—15 fathoms of water. It was growing, apparently rather abundantly, in the sound between St. Thomas and St. Jan as a component of the very rich algal vegetation found here. St. Jan: Found in several places in the sound between this island and St. Thomas: off Cruz Bay, near Great St. James, off Hermitage, off Annaberg. Coelothrix nov. gen. Frons rigida, filiformis, ex numerosis filamentis arete con- junctis orta, tubulosa, in interiori parte cava, irregulariter ramosa, ramis sparsis, interdum secundis et inter se conglomeratis, inter- dum anastomosantibus cæspites densos formantibus. Frons ex duobus stratis composita, exteriori cortice uni- strato, cellulis minoribus densis, interiori celluhs gradatim ma- joribus, rotundatis-polygoniis, cavitatem versus glandes sparsas gerentibus. Tetrasporangia apici inflato ramorum inha- bita. 1. Coelothrix irregularis (Harv.) Cordylecladia? irregula- ris Harv., Nereis , part II, p. 156. When Harvey re- ferred this plant to the genus Cordylecladia he put, no doubt correctly, a query behind the name as the structure of this plant differs greatly from that of the type species: Cordylecladia erecta, a transverse section of which being very like that of Gracilaria. Considering the struc- ture of the thallus, especially since this is hollow as already pointed out by Harvey, and the glands found upon the cells facing the Fig. 373. Coelothrix irregularis (Harv.). Part of a plant. Below two branches with anastomose. (About 4:1).
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