AFTER A STOEM. 131 



tered over it. It is found in the Isle of "Wight, Scilly 

 Isles, and Channel Islands, also on the coast of Devon- 

 shire and Ireland. 



Xalyhe:nta Ditbizi — is a still rarer species, of 

 smaller size, found at Plymouth ; upright like Iridea, 

 though in texture quite like Kalymenia JReniformis. 



STENOGEAMME. 



(The name from the Greek words signifying " a narrow line," alluding 

 to the linear fructification.) 



Never found growing, but has been found washed 

 up from the ocean's depth, in November. It is very 

 like Rliodymenia JPalmata, but more brightly pink, 

 and with lines in the frond that would seem to be in- 

 terrupted nerves, but are really linear sori, or masses 

 of minute spores. 



Generic character. — Frond rose-red, leaf-like, nerve- 

 less divided, fork-like at the tips. 



RHODYMENIA. 



(Xame from two Greek words signifying "red" and "membrane.") 



Generic character. — Frond red or fine pink, quite 

 without veins ; sessile, or with a short stem, which 

 expands immediately into the frond. 



Fructification. — 1. Hemispherical scattered cap- 

 sules. 2. Minute granules, spreading over the sur- 

 face, or forming cloudy patches. 



T 2 



