901.] 



IN CAROLINE ISLANDS AND AUSTRALIA. 



79 



Halimecla cordata J. Ag. Till Alg. Syst. Vol. V, p. 83. 



Our materials well agree 

 with the diagnosis of Halimecla 

 cordata given in J. Ag. 1. c. 

 The size of articulations is 

 rather smaller than those from 

 the Eed Sea, it being 8 mm. 

 in the transversal diameter and 

 4 in the height. Articulations 

 are much resembling to H. 

 Opuntia (L.) Lamour in their 

 form, trinerved surfaces and 

 crenulated margins. 



Yap and Palau (S. Ayabe). 

 Geogr. distr. : In the Red 

 Sea. 



Ilalimcda polydactylis J. Ag. Till Alg. Syst. Vol. V, p. 89. — H. incrassati 

 Harv. Phyc. Austr. t. C XXV— IT. Monile Kuetz. Tab. Phyc. VIII. 

 t. 26. fig. 1. 



Australia (Port Hobarton ? K. Fujita). 



Geogr. distr.: New Holland; Friendly Id. j the Red Sea (?). 

 Oodium mucronatum J. Ag. var. Californicum J. Ag. Till Alg. Syst. Vol. 

 V, p. 44, t. 1, f. 3— Okam. Alg." Jap. Exsic, Fasc. I, no. .30. 

 Port Hobarton (K. Fujita). 

 Geogr. distr.: Is!. Sitcha ; California; Japan. 



Fig- 3. 

 Halimeda cordata,. 



Valoniacese. 



Siphonocladus sp. 



A small tuft of simple filaments, scarcely 1 era. long. 



Port Hobarton (K. Fujita) ; Yap (S. Ayabe) ; Tasmania (On 



Halimeda nodosa ; T. Nishikawa). 

 Dictyosphasria favulosa (Mert.?) Decaisne. — Harv. Ner. Bor. Am. Ill, p. 50, 

 t. XLIVB; Kuetz. Tab. Phyc, VII, t. 25, f. 1. 



Yap (S. Ayabe). 



Geogr. distr. : In tropical and subtropical Seas ; Japan. 



