656 
CR Y P TOGAM I A S1*ACH YOPTEEIBES. Botfychium, 
dissectum. 
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- 
fida, laciniis linearibus bipartitis apice bidentatis. 
Willd. sp.pl. 5. p. 64. 
Icon. Sckkuhrjilic. t. 15 8. Pluk. arnalth. t. 42? . fi 5. 
In pastures and open dry woods : New York to Florida. 
I/. June. v.v. 
virginicum. 
4, B. hirsutum ; scapo medjo frondoso, fronde subterna 
tripartito -bipinnatifida, foliolis inciso-pinnatifidis, la- 
ciniis obtusis subtridentatis, spicis bi pinnatis divarica- 
tis. — Willd. sp. pl, 5. p. 64. 
Botrypus virginicus. Mick. fi. amer. 2. p. 2/4. 
Osmunda virginica. Sp. pl. 1 5JQ. 
Osmunda multifida. Gmel. nop. com., petrop, 12. t. 11. 
/•>• 
Icon. Schkuhr Jilic. t. 156. 
In shady woods, on rich vegetable soil : Canada to Ca- 
rolina. If. . 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. 
gracile . 
5. B. glabrum ; scapo medio frondoso, fronde tripartito- 
bipinnatifida, laciniis inciso-subpinnatifidis acutis sub- 
dentatis, spicis gracilibus pinnatis erectis. 
In shady fertile woods: Virginia. If. 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. 
— E • : *” 
palmatum , 
III. SCH ISM 4 TO P .TE RIDES. 
718. HYDRQGLOSSUM. Willd. sp, pl 5. p. 77, 
Ophfoglossum. Linn. 
1. H. caule fiexuoso-scandente, frondibus conjugatis cor- 
datis quinquelobo-pal matis, lobis lanceolatis integerri- 
mis obtusis obsolete sinuatis, spicillis terminalibus 
composite paniculatis qblongo-linearibus.— Willd. sp. 
pl. 5. p. 84. 
