MARINE ALGM. 87 



1. Spermoseira littorea. 



2. „ Harveyana. 



Order XIX. PALMELLACE2E. 



Cells contained in eonfervoid, simple or branched, 

 tubular filaments. 



CX. Hormospora. 



Filaments gelatinous, eonfervoid, each enclosing a 

 linear series of oval or spherical cells. 



1. Hormospora ramosa. 



