962 CRYPTOGAMIA ALG.^. 



oval or oblong, not tubular as in the preceding, 



but flat, like the jointed leaves of the CAC- 



- TUS opuntia, Lin. and frequently producing 



• - forked and tendril-like ligaments from their fum- 



■ mits, particularly at the tops of the branches. 



The feeds may be difcovered, by the help of a 



microfcope, to be lodged in great numbers in 



yfAX: I. the fubllance of fome of the extreme joints, 



' appearing like grains of a fine purple powder. 



This fpecies is nearly related to the preceding, 



but quite diftindt. It feems alfo to be the 



link which unites together the three Genera of 



FUCUS, ULVA, and CONFERVA. 



veriicilk' F. frondibus tubulofis fubarticulatis ramofis, ra- 

 Sus 41. mis verticillatis fubulatis fetaceo-ligulatis. — 

 Nova /pedes. (Vid.fig. nojl.) 

 Verticillate Fucus. Anglis. 

 We found it fparingly upon the rocks of the 

 Little IJles of Jura. VI 1. 

 •*, This is nearly allied to the 39th, but is certainly 



a diftindl fpecies. 

 The color of it is a pale or whitifli green. The 

 fubftance membranaceous. The height about 

 five inches. 

 Several (lalks arife from one root, each of which 

 is about the fizeof a fmall goofe-quill, tubular, 

 nearly equal, or fo obfcurely jointed as to be 



almoft 



