132 BOTANICAL MAGAZINE, [Voi. xvii, 



meter above, with articulations subequal to the breadth, becoming 

 gradually thicker upward with compi'essed-globular or almost 

 globular articulations which attain 1.7-2-2.5 mm. in diameter 

 and are shorter as they are broad ; surface of cells finely striated 

 longitudinally and tr.msversely ; thickness of cell-walls mostly 

 10-20/7., thicker below as 54 ^m. 



95. Caulerpa ambigua Okam. Alg. from Ogasaw. p. 4, PI. I, fig. 7-12. 



96. Chlorodesmis comosa Bail, et Harv. in Harv. Nev. Bor. Amer. Ill, 



p. 29. -Okam. Illustr. Mar. Alg. Jap., Vol. I, p. 13, PI. V. 



97. Codium adheerens (Cabr.) Ag.— Harv. Phyc. Brit. t. 35 A. 



98. Rhipidiphyllon reticulatum (Ask.) Heydr. Beitr. 3. Kenntniss der 



Algenflora von Ost-Asien p. 281, Taf. XV, f. 1.— Okam. Illustr. 

 Mar, Alg. Jap., Vol. I, p. 91, PI. XXX. 



99. Boodlea coacto (Dickie) Murray et De Toni, Journ. Linn. Soc. Bot., 



XXV, p. 243-245, Pl. XLIX.— Okam. Illustr. Mar. Alg. Jap., 

 Vol. I, p. 41, PI. XV. 



100. Brachytrichia Quoyi (0. Ag.) Born, et Fiah. Re vis. d. Nost. heterocyst, 



in Ann. d. Sc. Nat. VIP ser., Bot., t. IV, P. 373, 1886. 



