dissectum. 
virgmieum. 
gracile. 
palmatum. 
CRYPTOGAMIA STACHYOPTEKIDES. ' ’ Botrjchium. 
In open woods : Pensylvania and Virginia. 1/ . June, 
July. V. V. Resembles the preceding very much, 
and is probably only a variety. ; 
3. B. scapo inferne unifrondoso, fronde tripartito-bipinnati- 
hda, laciniis linearibus bipartitis apice bidentatis. 
WiUd. sp. pl. 5. p. (54. 
Icon. Schhihrfilic.t. 158. Pliik. ninalih. t. 42y . f 5. 
In pastures and open dry woods : New Yorl^ to Florida, 
1/. June. v.v. 
4. B. hirsutum ; scapo medio frondoso, fronde subterna 
tripartito-bipinnatifida, foliolis inciso-pinnatifidis, la- 
ciniis obtusis subtridentatis, spicis bipinnatis divarica- 
tis. — IVitld. sp. pl. 5. p. 64. 
Botrypus virginicus. Mich. fi. amer. 2. p. 274. 
Osmunda virginica. Sp. pl. I57g. 
Osmunda multifida. Gmel. nov. com. petrop. 12. t. 11. 
Icon. Sckkuhr Jilic. t. \56> 
In shady woods, on rich vegetable soil : Canada to Ca- 
rolina. 1/ . June, .Tuly. 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. 
5. B, glabrum ; scapo medio frondoso, fronde tripartito- 
bipinnatifida, laciniis inciso-subpinnatifidis acutis sub- 
dentatis, spicis graailibus pinnatis erectis. 
.In shady fertile woods: Virginia. 1/. June. v. v. 
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. 
m. SCHISM ATOP TERIDES, 
718. HYDROGLOSSUM. TViUd. sp. pl 5 p. 7/ . 
Ophioglossum. Linn. 
2. H. caule f.exuoso-scandente, frondibus con]ugatis cor- 
datis quinqnelobo-palmatis, lobis lanceolatis integerri- 
mis obtusis obsolete sinuatis, spicillis terminalibus 
composite panicuiatis oblongo-iinearibus.-— If'z/Zc?. sp. 
pLS.p.^i, 
