United States National Museum, Smithsonian Institution · Washington, D.C. : Government Printing Office · leaf 15
themselves twine irregu- larly around the branches of other hydroids, alge, and whatever other support may be available. In the genera Campanularia, Clytia (fig. 1), and Obelia these climbing rootstocks are usually quite irregular in their course. In Orthopyzis and Silicularia the algze form the… … Fig. 1.— Clytia sargassicola. Fig. 2.—Orthopyzis clytioides. (After Hartlaub.) Fig. 3.—Campanularia urceolata. (fig. 2) or Silicularia reticularia). At other times the leaves of Laminaria are traversed by bands of parallel rootstocks closely appressed together as in Silicularia rosea. Again there…
United States National Museum · Smithsonian Institution · Science · Birds · Marine fishes · Hydromedusae
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