too SEA MOSSES. 



from Cape Cod to Greenland, and is to be looked 

 for among the " Kelp," and other sea- weed thrown 

 up from deep water. It will be known at sight by the 

 frond being full of holes. It is dried and mounted 

 in the same way as the LaminaricE, 



Sub-Order —SPOROCHNEM, 

 Genus— STILOPHORA*- Ag. 



There are three species of this genus set down 

 in the books, as belonging to our flora. Only one 

 of them is of sufficient importance to warrant me in 

 making mention of it here. 



StILOPHORA RHIZODES,t AG. 



Is a plant interesting alike to the botanist and 

 the microscopist j for, if you take its wart-like mass 

 of spores and filaments, and cut a thin section of it, 

 and mount it for the microscope, you will find you 

 have a beautiful object. 



It is a filiform plant, with stem and branches 

 once or twice as thick as a bristle. It is much 

 branched by irregular forkings, six or seven times 

 repeated, the extreme ends short and widely spread- 

 ing. It grows four to six inches high, and is of 



* Stilophora = Dot-bearing. 

 t Rhizodes = Root-like. 



