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G YMN O G R AM MA RUTt eEFOLIA.
FILICES.— G y r a tæ . Br. P o l y p o d i a c e æ . Kaulf. F i l i c e s ve ræ. JViUd.
G e n . C h a r . G Y M N O G R A M M A , De sv. S o r i o b lo n g i, venis fro n d is sim p lic ib u s fu rc a tisv c
insc rti- I n d u s m m m illum .— F ro n d e s p in n a tæ , b ip in n a tæ d e c o n ip o s itoe q u e ; rad ic e s cæ sp ito sæ .
G y m n o g r a m m a r u læ fo lia - , fro n d e p in n a ta p u b e s c e n te , p in n is c u n e ifo rm ib u s in te g r is inc ic isvc . B r .
G ram m itis ru tæ fo lia . B r . P r o d r . F l . N o v . H o l l . p . 146. S p r m g . S y s t . V e g e t . v . 4 . p. 4 i .
H a b . In s u la V a n D iem an . B r o w n . D . F r a s e r .
Radix nigro-fusca, cæspitosa, e fibris plurimis ramosis.
Toti\planta, subtus stipes rachisque præcipue, hirsuto-pubescens, pilis peUucidis, rigidiusculis, acutis.
Stipites breves, vix unciam longi, flexuosi.
Frondes pinnatæ, vix duas uncias longoe, pinnis 6—9, alternis, remotiusculis, ovato-cuneatis, rigidiusculis, integris
vel inciso-lobatis, summis confluentibus.
Sori venis furcatis inserti, demum in unam massam, pinnarum dorsum omnino tegentes, congesti.
Capsula: sphæricæ, fuscæ, sublonge pedicellatæ.
Semina intense fusca, limbo semipellucido.
Fig. 1. Portio stipitis. f. 2 . Pili. f. 3. Capsulæ. f. 4. Semina:—mag». awcL
A s G r a m m i t i s n ow stan d s in th e re c e n tly p u b lish e d S y s t e m a V e g e ta b i l iu m o f P ro f e s s o r S p ren g e l,
i t c o n ta in s n o n e b u t species w ith s im p le fro n d s . A t T a b . 6 . o f o u r l e o n e s F i l i c u m wc have
h ow eve r, g iv en a species w h ich ha s th e fro n d s p in n a t i f id ; a n d a t T a b . 8 9 . o n e w ith th e fro n d s
b ip in n a tifid . I n th o s e spe c ie s wiiich h av e com p o u n d fro n d s, wc find th e ne rv e s to h e m o r e ram if
ie d ; a n d b y th e u n io n o f tw o so ri a t th e fo rk in g o f a ne rve , th e so ri th em s e lv e s ap p e a r to be
divided. T h is a t le a s t is th e c h a r a c te r o f M . D c sv au x ’s G y m n o g i- a m m a ; a n d h en c e i t m a y be
co n sid e red as in te rm e d ia te b e tw e en G r a m m i t i s a n d H e m io n i t i s , w h e re th e n e rv e s a rc m u c h b ra n c h e d
a n d r e ticu la ted , a n d th e so ri fo rm a c o n tin u e d se rie s. I f th e g en u s sh o u ld pro v e p e rm a n e n tly
d is tin c t from G r a m m i t i s , we th in k th a t th is a n d th e fo llow in g spe c ie s G y m n . s x ib g la n d u lo s a will be
r ig h tly pla c ed in it.
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