. Ecological and systematic studies of the Ceylon species of Caulerpa. Marine algae. 114 CEYLON MARINE BIOLOGICAL REPORTS. and /. irUerrupta at a depth of about 10 m.), also at Paurahen ! (South-India) at a depth of about 6 m. (/. typica). Indian Ocjean. Pacific (/. asplenioides at Sandwich-Islands). Atlantic (the West Indies). Not* that the closely allied C falcifolia has its distribution in the Pacific and on the coasts of Australia. 5 âCAULERPA SERTULARIOIDES (Gmelin) Howe. Howe, Phycological Studies II., p. 576. Syn. Caiderpa plumaris (Forskal) Weber v. Bosse. Monographie des Caulerpes, p.
. Ecological and systematic studies of the Ceylon species of Caulerpa. Marine algae. 114 CEYLON MARINE BIOLOGICAL REPORTS. and /. irUerrupta at a depth of about 10 m.), also at Paurahen ! (South-India) at a depth of about 6 m. (/. typica). Indian Ocjean. Pacific (/. asplenioides at Sandwich-Islands). Atlantic (the West Indies). Not* that the closely allied C falcifolia has its distribution in the Pacific and on the coasts of Australia. 5 âCAULERPA SERTULARIOIDES (Gmelin) Howe. Howe, Phycological Studies II., p. 576. Syn. Caiderpa plumaris (Forskal) Weber v. Bosse. Monographie des Caulerpes, p. 294. Caiderpa plumaris, Ag. Murray, Catalogue p. 38. Exsicc: Harvey, Ceylon AlgajNo. 61!; Ferguson, Ceylon Algae Nos. 3, 40 !; Wittrock et NoRDSTEDT, Algse exsiccatae No. 344! f. brevifes (J. G. Agardh). Weber v. Bosse, loc. cit. p. 294. f. tongiseta (J. G. Agardh). Weber v. Bosse, loc. cit. 295. f. umibellata (Weber v. Bosse) Weber v. Bosse, loc. cit. 295. Caulerpa sertularioidcs /. hrevipes (fig. 7) is a common littoral form at the surface of the water and seems to prefer spots somewhat exposed, where it grows in company with other green algae, often in thick tufts (fig. 8). So it occurs on the western, more exposed side of the GaUe reef, especiafly on the flat coral rocks below the Star Inistion. On the surface it is often very short and the vertical axes often do not attain more than 1 cm. in height. .a'. ^^^^. I'Sl C. serfularioides () HOWE f. hrevipes. Fie fi r ^.^t,.iâ â â¢_; . rn. , â n ,1 â 'â ) f-brevipes (J. G. AG.). (1x1). f he leaves m C sertulancndes are often characterized by the same rhythm as I have already described before m several other Caulerpas, , C. scalpelUformis, crassifolia, and taxifoUa. The growing poilt after a period of rest begins a new activity, whereby the first formed pmnules are very short and afterwards increase in size. As now the acti vity of the growing-point lasts only a very short time and consequently only a sma
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