986 CRYPTOGAMIA ALG^. 



Upright river knotted Conferva, or Horfetail 

 Conferva. Anglis. 



This was gathered by Mr. Stuart amongft the 

 ftoncs in the river Lednaig^ near the village of 

 Comrie, four miles weft of Crief. The river 

 empties itfelf into the Ern. The fame was 

 alio found by Mr. Taldeti in like places at 

 Craig-Hall near Edinburgh. 



It confifts of feveral ered threads growing in a 

 clufler from the fame bafe, from three to fix 

 inches high, generally fmgle, but fometimes 

 fparingly branch'd, about the fize of a hog*s 

 brittle, knotted throughout at equal diftances, 

 with prominent gouty joints ; the joints about 

 one-tenth of an inch afunder, the whole of a 

 dull-green color when moift, but blackifh when 

 dry, the fubftance a little rigid and tough. 



idatinofa CONFERVA fills ramofis moniliformibus, articu- 



^^- lis globofis gelatinofis, Sp, pi. 1635. (Dillen, , 



tntifc. 36. /. 7. /. 42. cum varietatibus. Dillen. 



mufc. 37, i^ 38. tab. 7. /. 43, 44, 45, 46. 



CHARA batrachofperma. JVeis cryptog. p. ^^, tab, 



1. fig. I, 2. bona.) 

 Frog-Spawn Conferva. Anglis. 

 It grows in deep fountains, fprings, and rivulets 

 of the pureil water, adhering to flicks and 

 ftones. We faw fpecimens that were collected 

 in the iHand of Mull. VI. VIII. 



The 



