Ik-* ^^ :■! 



656 CRYPTOGAMiA sTACHYOPTERiDes. Botrycbium. 



In open woods : Pensylvania and Virginia. 1/ . June, 

 July. V. V. Resembles the preceding very much, 

 and is probably only a variety. 



dissectum. 3. B. scapo inferne unifrondoso, fronde tripartlto-bipinnati- 

 fida, laciniis linearibus bipartitis apice bidentatis. 

 TFilld. sp. pi. 5. p. 64. 



Icon. Schkuhrjilic.t. 158. Pluk.amahh.t.427.f.5. 



In pastures and open dry woods : New York to Florida. 

 J/. June. V. V. 



virginlcum. 4, B. hirsutum ; scapo medio frondoso, fronde subterna 

 tripartito-bipinnatifida, foliolis inciso-pinnatifidis, la- 

 ciniis obtusis subtridentatis, spicis bipinnatis divarica- 

 lis. — fFiUd. sp. pi. 5. p. 64. 



Botrypus virginicus. Mic/i. fi. amer. 2. p. 274. 



Osmunda virginica. Sp. pi. 1579- 



Osmunda multifida. Gmel. nov. com. petrop. 12. t. 11. 



/1. 



Icon. Schkuhrjilic. t. 15(5. 



In shady woods, on rich vegetable soil : Canada to Ca- 

 rolina. 1/ . June, July. v. v. This is the largest of the 

 species here described ; it is known by the name of 

 Rattle Snake Fern, probably from the circumstance of 

 growing near the places where those venomous ani- 

 mals generally are found. 



gradle. 5. Bi glabrum ; scapo medio frondoso, fronde tripartito- 



bipinnatifida, laciniis inciso-subpinnatifidis acutis sub- 

 dentaliSj spicis gracilibus pinnatis erectis. 

 Jn shady fertile woods: Virginia. 7/. June. v. v. 

 m^ ^ This species approaches near to the preceding in its ' 



^ % first appearance, but is by far a smaller and more 



slender plant, besides the other distinctions. 



HI. SCHISM ATOPTERIDES. 



71S. HYDROGLOSSUM. Willd. sp. pl.5. p.77- 



Ophioglossum. Linn. 



palmatum. l.H. caule fiexuoso-scandente, frondibus conjugatls cor- 

 datis quinqnelobo-palmatis, lobis lanceolatis integerri- 

 mis obtusis obsolete sinuatis, spicillis terminalibus 

 composite paniculatis oblongo-linearibus. — IFilld. sp. 

 pi. 5. p. 84. 



