164' BRITISH SEA-WEEDS. {JMelanospermecc . 



fine feathery appearance. The colour is a clear olive, and 

 it bears its fruit on the opposite ramuli. See the beautiful 

 figure of it in Phyc. Brit., PI. cxxxii. 



Genus XXIX. MYEIOTEICIIIA, Earvei/. 



Gen. Char. Primary filaments olivaceous, flaccid (simple), 

 ])eset on every side with simple, spine-like ramuli, which bear 

 from their tips colourless, dichotomous, long-jointed fibres. 

 Fructification, ovate capsules, containing a dark mass of seeds. — 

 The name is from two Greek words, signifying a thoit-sand hairs, 

 from the innumerable Lair-like fibres which spring from the 

 ramuli . — Harvey . 



1. Myrioteichia clav^formis, Harvey. (Plate III. 

 fig. 11, plant, natural size, on Chorda lomentaria, and on 

 the left a frond magnified.) 



Hab. This is found parasitical on Chorda lomentaria. It 

 is got in England and Ireland ; and has been gathered at 

 Ballantrae, in Ayrsliire, by Mr. W. Thompson, who lets 

 nothing escape his observant eye. 



2. Myriotrichia filiformis, Harveij. 



Hab. Also parasitical on Chorda lomentaria. It is not 

 uncommon in England and Ireland; and on the coast of 

 Avrshirc, and in the island of Arran. 



