92 



stem measures 3-6 mm and the lengths of internodes, 1-1.5 cm > 

 while the total length of plant, 20 cm. 



Hab. : Cast up ashore. Isls. Shimushu and Paramushiro, Akkeshi 

 (Prov. Kushiro), Uragawa (Prov. Hidaka). 



PL. LXXVII. Fig. 1 : sterile frond of Constantinea rosa-marina 

 (Gmel.) P. et. R. from Gulf Musashi in Isl. Paramushiro, \. Fig. 2: 

 younger frond from Gulf Kataoka in Isl. Shimushu, in dry state, 1. 



PL. LXXVI1I, Fig. 8-13. Fig. Q: longitudinal section of a 

 younger proliferation, in nat. size. Fig. Q : the same slightly 

 magd., 5. Fig. 10 : arrangement of cortical cells in the growing 

 portion of a new lamina, ". Fig. 11: cross-section of stem, *. Fig 

 12 : cortical portion of the cross-section of stem, ^. Fig. 13 

 portion of longitudinal section of stem, W. 



CoilStantiliea Postels et Ruprecht 1840. 



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