8 



capfuies, {"miliar to thofe of Fucits fubfufcu; and F. pinaflroides^ from which it 

 cannot be feparated without violence; and to thefe may probab'y be united the 

 black marine, and thofe other fpecies in which the filament is an aggregation 

 of feveral fmaller tubes; in thefe the capfuies are ovate, reticulated, and feihle. 



In C. cUiata, diaphana, rubra, an.l fome others obviouily fimiiar in chara&er, 

 the capfuies are ovate, folitary, and fubter.ded by two or more calyciform pro- 

 ceffes. 



In C. plumula, rosea, Turner!, and their congeners with pinnated filaments, 

 the capfuies are globofe, numerous, and neither reticulated nor fubtended by the 

 abovementioned procefles. The capfuies of C. Iktoralis, pennaia, fcoparia and 

 Umer.tofa, are nearly fimiiar to the foregoing, but, inftead of being placed on 

 the ramuli only, at the end of almoft every joint, they are fcattered without 

 order on the filaments. 



The capfuies of C. fprmgicfa, and alfo moft probably of C. verticiliata, are 

 oblong, petiolated, and unufually fmall for the fize of the plant. 



C. fetacea, bat lata, and thofe which have their feeds imbedded in mucus, and 

 guarded by an involucrum inftead of a capfule, form a very diftintr. and beauti- 

 ful family, which cannot be arranged with propriety in any of Dr. Roth's 

 genera. From the defcription in Mr. Turner's work, it appears that F. plirmo- 

 fus s as well as fome other Fuci, may probably be found to belong to the fame 

 genus, which I had hoped to have feen at fome future time, when the fub- 

 merfed algx fhall be remodelled, diftinguifhed with the name of Mr. Borrer, 

 to whofe unwearied application we are indebted for our knowledge of many of 

 its fpecies, but I have juft found that Dr. Acharius has, in his new Licbena- 

 graphn Uniihijalis . fo called one of the new genera of his favorite family. 



Batxachospurmum. — Baccae po/yjpcrniir, colorata, filamenta geniculata, 

 carldag'ineo-membranucea. 



In this genus two fpecies only are enumerated, with one of which, B. 

 dkhotomum, I am entirely unacquainted. The other is C. gelat'mofa, of which 

 .a defcription may be found in the body of this work. 



