990 ■ CRYPTOGAMIA ALG^. 



Black tufted Conferva. Artglis. 



Upon rocky fhores frequent, generally adhering 

 . ^ to the FUCUS nodofus. Lin. 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, ihQ/epia annular. The whole plant is 

 of a dark fufcous color, turning black when 

 old or dry'd. 



The fru(5tifications are di^dous, 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 Ihort fingle oval capfules, fef- 



file and lateral, a little beneath the fummits, 



vagabunda CONFERVA filamentis geniculatis flexuofis, 

 ^*-*' ramis ramulifq^ brevioribus. Sp. pi. 1637. 



(Dilkn.mufc. 30. /. 5./. 32. A. B.) 

 Sea Wool Conferva. Anglis. 

 In fea marihes 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 

 diredions, and greatly branched, the branches 

 divided and fubdivided into^many fhort capil- 

 lary fegments, appearing in the water like wool. 

 n The 



