Ecological and systematic studies of the Ceylon species of Caulerpa ecologicalsystem00unse Year: 1906 THE CEYLON SF^ECIES OF CAULERPA. I.'?7 19—CAULERPA LONGISTIPITATA (Weber v. Bosse). Syn. C. lentiUifera (J. G. Agardh) Weber v. Bosse, x& Weber v. Bosse in Th. Reinbold's Marine Algye in Flora of Koii Chang by JoHS. Schmidt, Part IV., p. 106. The horizontal axis extended, with rather few vertical axes (= assimilators); these are simple, only exceptionally branched, with the branchlets or pinnules generally opposite in two rows, but sometimes also projecting in all directions.
Ecological and systematic studies of the Ceylon species of Caulerpa ecologicalsystem00unse Year: 1906 THE CEYLON SF^ECIES OF CAULERPA. I.'?7 19—CAULERPA LONGISTIPITATA (Weber v. Bosse). Syn. C. lentiUifera (J. G. Agardh) Weber v. Bosse, x& Weber v. Bosse in Th. Reinbold's Marine Algye in Flora of Koii Chang by JoHS. Schmidt, Part IV., p. 106. The horizontal axis extended, with rather few vertical axes (= assimilators); these are simple, only exceptionally branched, with the branchlets or pinnules generally opposite in two rows, but sometimes also projecting in all directions. The branchlets at the top provided with a little ball-shaped vesicle of about 1-2 mm. in diameter, bounded by a remarkable constriction. The basal part of the same length or shorter than the vesicle. The diameter of the vertical axis commonly not exceeding twice that of the branchlets. I have observed this Caulerpa in the more sheltered places of the littoral zone at the islands at Paumben Pass, especially on stones, with its long creeping rhizomes adhering thereto or entangled in other algae ; sometimes it also occurred drifting and entangled in algae which had broken loose. Fig. 45.—C. longistipitata (w. v-b.). h shows an assimilator with the branchlets in many rows . (1 x 1). This Caulerpa, which I have placed as a species of its own, was first described by Weber v. Bosse as a variety of C. lentiUifera. in Major Th. Reinbold's paper on the algae from Koh Chang in the Gulf of Siam collected by Dr. JoHS. Schmidt. I have had an opportunity of examining these type specimens and I can assert their conformity to the Ceylon specimens. That Weber v. Bosse, with such limited material, was presumably unwilling to create a new species among the Caulerpas is comprehensible when one thinks of the great multiformity of these organisms, and the more so as this author is inclined to form wide-embracing species (so wide-embracing as far as lentiUifera is concerned, that even a form s
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