MARINE ALGiE OF THE UNITED STATES. 697 



Amphiroa debilis, Kiitz. 



Florida ; West Indies. 

 Amphiroa Californica, Deeaisue. 



West eoast. 

 Melobesia membranacea, Linx. 



East coast; Europe; Australia. 

 Melobesia farinosa, Lmx. 



East coast; Europe; Australia. 

 Melobesia pustulata, Linx. • 



East and west coasts; Europe; Australia. 



LlTHOTHAMNION POLYMORPHUM, Aresch. 



Eastport, Me.; Europe. 



HlLDENBRANDTIA ROSEA, Kiitz. 



New England coast; Europe. 



Order GELIDIE.E. 



Gelidium corneum, Linx. 



Florida; California. Var. crinale, Charleston, S. C; New Haven, 

 Conn. ; Wood's Hole, Mass. ; Portland, Me. Found in almost 

 all seas. 



Gelidium cartilagineum, Grev. 



Santa Cruz; San Diego, Cal. ; Cape of Good Hope; Madagascar; 

 Philippine Islands ; Brazil. 



Gelidium Coulteri, Harv. 

 California. 



WURDEMANNIA SETACEA, Harv. 



Key West. 



EUCHEUMA ISIFORME, Ag. 



Key West ; West Indies. 

 Eucheuma 1 ? ACANTHOCLADUM, Ag. (Chrijsymenia, Harv.) 

 Key West. 



Order HYPNEA 



Hypnea musoiformis, Lmx. 



Wood's Hole, Mass., and southward; California. In nearly all 

 temperate and tropical seas. 



Hypnea? crinalis, Harv. 

 California. 



Hypnea divaricata, Grev. 



Key West ; Gulf of Mexico ; Australia. 

 Hypnea cornuta, Ag. 



Key West ; Pacific Ocean. 



