990 CRYPTOGAMIA ALGiE. 



Black tufted Conferva. Anglis. 



Upon rocky fhores frequent, generally adhering 

 to the FUCUS nodofus. Lift. VIII. 



It grows in fhort thick tufts ; the threads one or 

 two inches long -, dichotomoufly branched, and 

 formed into bundles at the fummits •, clofely 

 and finely jointed throughout ; the joints 

 equal, thtfepta annular. The whole plant is 

 of a dark fufcous color, turning black when 

 old or dry*d. 



The fructifications are diacious, the males grow- 

 ing upon one plant, the females upon another. 

 The males grow in fmall conic catkins, in 

 pairs, upon the very fummits of the branches -, 

 the females, in fhort fingle oval capfules, {^i- 

 file and lateral, a little beneath the fummits. 



vagahunda CONFERVA filamentis geniculatis flexuofis, 

 ^^' ramis ramulifq; brevioribus. Sp» pi. 1637. 



(Dillen.mufc. go. /. 5./. 32. A. B.) 

 Sea Wool Conferva. Anglis. 

 In fea marlhes and ditches, fufpended in the 



middle of the water, without root or bafis. 

 It is composed of jointed threads, of a pale green 

 color, about two inches long, waved in various 

 dire6lions, and greatly branched, the branches 

 divided and fubdivided into many fiiort capil- 

 lary fegments, appearing in the water like wool. 

 c, The 



