^4^ CRYPTOGAMIA FILICES. 



C L A S S I S XXIV. 



CRYPTO G AMI A 



FILICES. 



EQUISETUM. Gen.pl. ii6g. 



Spies fructificationibus peltatis, bafi dehifcentibus 

 multivalvi. 

 /ylvaticumi EQUISETUM caiile fpicato, frondibus compofi- 

 tis. Sp. pi. 1516. (Ger. em. 1114./. 5) 



"Wood Horfe-tall. Jnglis^ 



In woods and moifl fhady places. Jufc by the ?ier- 

 mitage near Edinburgh. Dr. Farfons. At Mai- 

 Vim-tarmonach in Breadaibane. Mr. Stuart. %. V. 



The llalk is from a foot to a cubit high, angular, 

 and rough to the touch, the angles beino- edo-ed 

 with ihort fpiJiuU, fcarcely vilible without a mi- 

 crofcope. The joints are Oieathed with laro-e, 

 yellowifh, membranaceous, lax vagiuce, which 

 are divided commonly into three or four deep 

 triangular dents. At the bafe of thefe vagift^ 

 there coalefce generally twelve green, acute 

 dents. The leaves grow verticillatc, twelve or 

 more in a whirl. The whirls are about an inch 

 diftant from each other. The leaves are very 

 (lender, nearly quadrangular, about five inches 

 long, pendent, and befet with feveral other fe- 

 condary whirls, fo that it rtfembles a pine-tree 



in 



