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A S P I D I UM P K O L I F E R UM.
FILTCES—G y r a t ®. Br. P o l y p o d i a o e ®. Kaulf. F i l i c e s v e ræ . Willd., Spreng.
G e n . C h a r . A S P I D I U M , B r . H Y P O P E L T I S , M ic h . A S P I D I I species, S w ., Willd .
S a r i ro tu n d i, dorsa le s. In v o lu c rum o rb icu la re , p c lta tum , s tip ita tum , in m ed io so r i in s e rtum ,
u n d iq u e lib c rum . B r .
A s p id iu m proUfe ì-um; fro n d ib u s sim p lic ib u s, g lab ris , s te rilib u s la n c eo la tis lo n g e a cum in a tis radi-
c a n tib u s , f e r tilib u s lin e a rib u s o b tu sis.
H a d . In In s u la J am a icæ ?
Radix cæspitosa, fibrosa, fibris ramosis hirsutis fuscis.
Stipes perbrevis, vix semiunciam longus, sensim in frondem dilatatus.
Frondes plurimæ ex eadem radice, digitales ad spitliamæam, simpiices, decumbentes, lanceolatæ, basi attenuatæ,
apice longissime acuminatæ, radicantes, proliferæ, utrinque glabræ, medio costatoe, margine integerrimo:
Fertiles sterilibus angustiores, erectæ, lineares, apice obtusæ.
Sori serie simplici ad utrumque latus costoe dispositi, magni; venis obscuris inserti.
Involucrum orbiculare, peltatum, medio umbilicatum.
Capsula fuscoe, sublonge pedicellatæ.
Semina intense fusca, oblonga, rugosa, margine limbo pellucido flavescente cincta.
Fig. 1. Portio frondis fertilis. f. 2. Capsulæ. f. 3. Semina :—magi. auct.
W e r e g r e t th a t we a re n o t able to say w h a t is th e n a tiv e com itry o f th is p la n t. I t was g iv en to
u s som e tim e a g o b y o u r frie n d M r . L in d ley , w ith seve ra l W e s t In d ia F e rn s , w h ich h ad fo rm ed p a r t
o f th e H e rb a r ium o f th e la te M r . D o n n , o f C am b rid g e . T h e F e rn to w h ich it is m o s t n e a rly allied
in th e m ode o f g row th a n d p ro life ro u s h a b it, a n d in th e s tru c tu r e o f th e so ri a n d seeds, is th e A s p i d
ium rhizo p /iy lium , fig u re d a t T a b . 5 9 . o f th is w o r k : b u t th a t h a s , e x c e p t in th e ve ry y o u n g e s t
s ta te o f th e p la n t, de c idedly p in n a te d f r o n d s ; w h e re a s h e re , b o th in th e s te rile a n d fe rtile fro n d s ,
th e r e is n o t th e s lig h te s t a p p ro a c h to a c om p o u n d , o r even to a d iv id ed a p p e a ran c e . T h e whole
p la n t, to o , is q u ite g lab ro u s,
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