Ecological and systematic studies of Ecological and systematic studies of the Ceylon species of Caulerpa ecologicalsystem00unse Year: 1906 Fig. 23.—C. dichotoma n. fip. (1 x 1). 13 —CAULERPA DICHOTOMA, n sp. The horizontal axis enlarged, creeping, with the upward flattened vertical axis up to 4 cm. in height with generaUy opposite, always flattened branchlets with generally furcate dicho- tomous points (figs. 23, 24). C. dichotoma comes near to C. Icetevirens and C. Lamourouxii, but differs from both in having the greater part of its branchlets dichotomous. I found this Caulerpa at WeUgama at

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Ecological and systematic studies of Ecological and systematic studies of the Ceylon species of Caulerpa ecologicalsystem00unse Year: 1906 Fig. 23.—C. dichotoma n. fip. (1 x 1). 13 —CAULERPA DICHOTOMA, n sp. The horizontal axis enlarged, creeping, with the upward flattened vertical axis up to 4 cm. in height with generaUy opposite, always flattened branchlets with generally furcate dicho- tomous points (figs. 23, 24). C. dichotoma comes near to C. Icetevirens and C. Lamourouxii, but differs from both in having the greater part of its branchlets dichotomous. I found this Caulerpa at WeUgama at a depth of from 1 to 2 m. on sandy bottom. What justifies its creation as a special elementary species is its characteristic quahty of the branchlets being dichotomous (fig. 23). A typicaUy developed axis with such branchlets is to be seen in fig.

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