THE MARINE BOTANIST. 85 



SPHACELARIA SCOPARIA. — BUSHY 

 SPHACELARIA. 



Stem at the base shagg-y, in the upper part 

 branched in a pinnate manner; ^^the pinnse short 

 and spine-Kke, or long- and a^ain pinnate." From 

 two to five inches high. Colour, dark olive-green. 

 Substance, harsh and rigid. A much coarser and 

 more bushy species than either of the former. 

 Grows on rocks, stones, and corallines. Southern 

 coasts of England frequent. Frith of Forth. Irish 

 coasts, in several places, but not frequent. 



SPHACELARIA PLUMOSA.— FEATHERY 

 SPHACELARIA. 



A beautiful and rare kind, resembling delicate 

 black feathers. From two to six inches high, irre- 

 gularly branched ; the pinnae are very closely set on 

 the branches, opposite and spreading out on each 

 side the pinnule. Grows on rocks near low water 

 mai'k Perennial. South coasts of England. 



