T A B . C X V I I I .
L # '
A C R O S T I C H UM T R I P A R T I T UM.
F I L I C E S . — G y r a t æ . B r . P o l y p o d i a c e æ . K r t u / . F i l i c e s veræ. JVilld., Spreng.
G e n . C h a r . A C R O S T I C H U M , L in n . S o r i am o rp h i, s cu Capsula, p e r to tam p ag in am in fe
rio rem fro n d is (in te rd um dive rsæ) vcl ad e jus p a r tem sp a rsæ . In v o lu c rum n u lium (nisi
sq u am u læ , vcl s e tæ in q u ib u sd am c ap su lis iu te r s tin c tæ ) . B r .
A c r o s t ic h u m tr ip a r li tu m -, f ro n d ib u s lo n g e p e tio la tis , s te rilib u s re n ifo rm ib u s tr ip a r titis , laciniis
cu n e a tis tr ilo b is , f e rtili tr ilo b o valde sq u am o so .
H a iî. I n sylvis p ro v in c iæ E sm e ra ld a s , A m . M c rid . a rb o rum tru n c is , le g it D . P r o f . G u i. J a m e son,
ad a it. 5 0 0 0 p ed.
Caudcx repens, hic illic radiculosus, undique ferrugineo-squamosus.
Stipites erecti, frondium sterilium vi.x unciam^ fertilium duas ad très uncias iongi, flavo-fusci, squamosi, squamis
fuscis lanceolato-acuminatis membranaceis sparsis.
Frondes simplices, steriles, reniformes, subcoriaceoe, squamosæ, squamis demum deciduis, tripartitoe, laciniis
cuneatis basi attenuatis, trilobis, lobis obtusis plerumque integris : fertiles circumscriptione cordatæ, primum
valde fusco-squamosoe, dein nudiusculoe, trilobæ, lobis rotundatis, integris vel subsinuatis.
Capsidæ totam inferiorem partem frondis tegentes, squamis interspersæ, spbericoe, mtense fuscoe, annulo lato fere
completo cinctæ.
Semina ovalia, vel subrotundn, loevia.
Fig. 1, Capsuiæ. f. 2. Semina wog».
T h e n e a r e s t a ffinity w ith th is p la n t is u n q u e s tio n a b ly th e A .f la b e lla tu m o f H um b o ld t, a na tive
o f ro c k y p la c e s in V e n e z u e la ; b u t th a t is m u c h la rg e r , h a s th e ste rile fro n d s in th e firs t in stan c e
b ip a r tite , th e s e gm e n ts m u ltif id ; w h ils t th e fe rtile o ne s a re o rb ic u la r a n d p e lta te , (a c co rd in g to th e
fig u re , h u t rc n ifo rm in th e d e s c rip tio n ,) q u ite g la b ro u s , o r fre e from scales, a n d sui-rounded by a
d iap h a n o u s a n d c rc n a te d m a rg in . T h a t sp e c ie s ap p e a rs , as it w e re , in te rm e d ia te betw'ecn o u r p la n t
a n d A .p e l ta tu m o f Sw a rtz .
fell