412 



species than in Champia parvula, and the filaments have more 

 cells in each joint than in Ch. parvula. 



Plants with tetraspores and cystocarps were found in the 

 month of March; antheridia in January. It was gathered mostly 

 in deep water (about 1415 fathoms), once in shallow water near 

 the shore in a rather protected place. 



Found at St. Jan. in several places in the sound between this island 

 and St. Thomas, near Mary Bluff (by Dr. TH. MORTENSEN), off America 

 Hill, Coral Bay. 



Geogr. Distrib.: Florida. 



