Spruceane. N. O. Filices. 
DCCCCLXXI-DCCCCLXXII. 
GYMNOPTERIS SEMIPINNATIFIDA, Fée. 
18 pinnisve oblongis obtusis vel acuminatis superioribus 
in lobum acuminatum magnum sinuatum confluentibus 
integerrimis y. subdentatis, fertilibus conformibus sed 
contractis, stipite (fertilis pracipue) longissimo decidue 
paleaceo. 
opteris semipinnatifida, F%e, Acrost. p. 84. t. 44, 
8. fronde basi vix pinnata, lobis infimis decurrentibus, TAB. 
NOSTR. 971, 972. “ 
- French Guiana, Leprieur. 8. Rocky rivulet in the 
Serra de Santo Gabriel, Amazon, Spruce. (n. 2121.) 
“Creeping rhizoma, much entangled among stones, so that 
it was often impossible to extract barren and fertile fronds m 
conjunction.”—The large-fronded species of Gymmnopteris are 
extremely difficult to determine without the aid of good 
gures. We are consequently thankful for the figure, as 
Fronde subtriangulari-ovata pinnatifida basi nunc pinnata, 
] b i i 
they are decurrent upon the stipes. ur p 
near a to, but not quite, a pinnated frond at the 
s such I can only consider it a form of M. Fée’s G. 
semipinnatifida. 
