. Botanisk tidsskrift. Plants; Plants -- Denmark. — 204 — a new species, which he has called Halophila Aschersonii^) yet closely related to H. Engelmanni, which is known from Florida. A good many algae are growing in connection with these Phanerogams, partly creeping species belonging to the genus Can- lerpa, in their mode of growth imitating the sea-phanerogams, partly species belonging to the genera Penicillus, Udotea and Halimeda, which by means of numerous fine rhizoids growing out from the base of the stem-like part of the thallus, are fastened into the mud and the sand. Both these peculi
. Botanisk tidsskrift. Plants; Plants -- Denmark. — 204 — a new species, which he has called Halophila Aschersonii^) yet closely related to H. Engelmanni, which is known from Florida. A good many algae are growing in connection with these Phanerogams, partly creeping species belonging to the genus Can- lerpa, in their mode of growth imitating the sea-phanerogams, partly species belonging to the genera Penicillus, Udotea and Halimeda, which by means of numerous fine rhizoids growing out from the base of the stem-like part of the thallus, are fastened into the mud and the sand. Both these peculiar forms of algae. Fig. 1. Seagrass formation on the shore at Fair plane on the south coast of St. Croix. (F. B. phot.) are, as I have pointed out in earlier papers, characteristic of the warmer seas^). On the south coast of St. Croix just west of Krausse's lagoon, outside the coast of Fair plane, I have noticed a singularly beautiful ^) Gfr. Ostenfeld. C. H., Halophila Aschersonii, n. sp. (Botanisk Tidsskrift. Bind 24, Kobenhavn 1902). '-) Borgesen, F., A contribution to the knowledge of the marine Algte vegetation on the coasts of the Danish West-Indian Islands (Botanisk Tidsskrift, Bind 23, 1900, p. 49). — —, An ecological and systematic account of the Gaulerpas of the Danisli West Indies (Kgl. danske Vidensk. Selsk. Skrifter, 7. Rtekke. naturv. og mathem. Afd. IV. 5. Kobenhavn 1907).. 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 Botaniske forening i Kbenhavn; Botaniske forening i Kbenhavn. Journal de botanique; Dansk botanisk forening. Kbenhavn : G. E. C. Gads Forlag
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