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P O L Y P O D I U M G R A C I L E .
F I L I C E S .— G y u a t / e . B r . P o l y p o d i a c e æ . K a u l f . F i l i c e s v e ræ . ÌV illd .
G e n . C h a r . P T E R I S , L in n . S o i-i su b r o tu n d i ( s e r ia t i, sp a r s i v e l c o n f e r t i ) . I n v o lu c r u m n u llum
. B r .
P o l y p o d iu m g r a c i l e ; g la b r iu s c u lum , f r o n d ib u s lin c a r ib u s p in n a tis , p in n is lin e a r i- o b lo n g is s in u a t o -
p in n a tifid is su b d e c u r r e n t ib u s , so r is b is c r ia lib u s d em um c o n f lu e n t ib u s , s t ip i t e r a c h iq u e g r a c il-
lim is .
H a b . H u a y llu a y , p r o p c P a s c o , in A n d ib u s P e r u v ia n is . D o m . C r u c k s h a n k s .
Caudex ut videtur brevis, crassitie pennæ anserinoe, liorizontalis, dense paleaceo-squamosus, inferne radicans;
radicibus fibrosis, ramosis, tomentosis.
S tip ite s duas vel tres uncias lon gi, filiformes, gi-aciles, atro-fusci, plurimi ut videtur ex eodem pimelo caudicis, et
ita subcæspitosi.
F ro n s spithamoea et ultra, linearis, pinnata. R a ch is gracillima, flexuosa, glabra, vel ferrugineo-subpubescens.
P in n a : semiunciam ad unciam longæ, erecto-patentes, oblongoe vel lineari-oblongoe, alternæ, subcoriaceoe,
pinnatifidæ, obtusæ, inferne paululum decurrentes, dorso subconvexo, glabro, uitidiusculo.
S o r i sub singulas lacinias pinnarum solitarii, seriatim dispositi, subrotuncli, convexi.
Cajistdce numerosæ, globosoe, lato-annulatæ, sublonge pedicellatæ.
S m in a subglobosa, limbo hyaliuo, intus quasi e duabus vel tribus granulis composita,
F ig . 1. Po rtio frondis fertilis. f . 2 . Capsulæ. f. 3. Semina.
T h is i s o n e o f t h e m a n y in t e r e s t in g p la n t s w it h w h ic h w c h a v e b e e n f a v o u r e d b y M r . C r iic k -
s h a n k s f r om t h e v ic in i ty o f P a s c o in t h e C o r d ille r a s o f P e r n , a t a n e le v a t io n o f a b o u t IC ,0 0 0 f e e t
a b o v e t h e le v e l o f t h e s e a . I n it s fo rm i t i s s le n d e r a n d g r a c e fu l, a n d it is v e r y d ifle r en t f r om a n y
o th e r o f t h e g e n u s .