J oo 



of the stem than near the base, where they grow rather solitary and 

 are imbricated on all sides, but so loosely that the stem is everywhere 

 seen through them. Stichidium transformed from ramuli on shortened 

 axis which grows from axil of a sterile " ramulus, incurved and clustered, 

 and half times as thin and as short as the sterile ramulus, cylindrical and 

 filiform. Colour deep dark brown when recent, turning to almost black 

 when dried. Substance cartilaginous, flexible and tough ; in drying the 

 plant scarcely changes its appearance and adheres though very slightly 

 to paper. 



Hub. : on rocks in open coast between tide-marks near high tide. 

 From Kurile Isls. to Rikuzen. 



Present plant grows on open coast where waves dash against. In a 

 place where Rliodomela subfitsca and R. Larix grow near to each other, 

 he former prefers the sheltered sides, while the latter stands fronting 

 the dash of waves. 



PL. CLXXXVIII, fig. 1-4. Fig. 1: frond of Rlwdomela Larix 

 (Turn.) C. Ag., \. Fig. 2 : tetrasporic frond from Shimushu (6, May), 

 \. Fig. 3 : terminal portion of branch bearing tetraspores, -^f-. Fig. 

 4 : one of branchlets bearing stichidia shown in fig. 3, -4^-. 



Roschera glomerulata (C. Ag.) Web. v. Bosse. 



Norn. Jap, : Itokttdsii-giisa. 

 PL. CLXXXVIII, Fig. 5-10. 



Roschera glomeriilala (C. Ag.) Web. v. Bos. Percy Sladen Trust 

 Exp., Rhodophyceae, 1914 (Trans. Linn. Soc., Vol. XVI. 3) p. 289 ; 

 Okam. Synop. (2nd. ed.) p. 77. Tolypiocladia glomerulata (C. Ag.) 



Schmitz in Engl. u. Prantl nat. Pflanzenfam. p. 442 ; Falkenb. Rhodom 



