T A B . L X l .
A CROST ICHUM VISCOSUM.
F I L I C E S .— G y r a t æ . B r . P o l y p o d ia c e æ . K m i l f . E i l ig e s v e ræ . fV i l l d .
G e n . C h a r . A C I Î O S 'J I C H U M , L in n . S o r i am o rp h i, s eu C a p s id oe p e r to tam p a g in am in fe rio rem
fro n d is (in te rd um dive rsæ) vc l ad e jus p a itc in sp a rsæ . I n d u s i u m n u llum (n isi sq u am u læ , v.
s e tæ in q u ib u sd am c ap su lis in te r s tin c tæ ) . B r .
A c r o s t i c h u m v i s c o s u m ; sq u am o so -h irsu tu n i, su bvisc idm ii, f ro n d ib u s lin e a ri-la n c e o la tis a cum in a tis ,
b a s i in s tip item lo iig iu s c u lum sq u am o sum a tte n u a tis ; fe rtilib u s lin e a rib u s .
A c ro s tic h um v isco sum . S w a r t z . S y n . F i l . p . 1 0 e t 1 9 3 . W i l l d . S p . F L v . 5 . p . 103. S p i- e n g .
S y s l . V e g e t . v . A. p . 33.
A c ro s tic h um p e tio la tum . S w a r l z . F L I n d . O c c . p . 1588.
A c ro s tic h um salic ifo lium . W i l l d . H e r b . K a i d f . E n u m . F i l . p . 58. S ie b e r . S y n . F U . n . 28.
S p r e n g . S y s t . V e g e t . v . 4. p . 3 3 .
H ab. I n tru n c o s musc is r e p le to s in m o n tib u s a ltis J am a icæ ; e t in In d ia O rie n ta li. S w a r t z .
In s u la M a u r itii. S ieb er-. B o j e r . B o rb o n iæ . D e s f o n ta in e s . In s u la S a n c ti V in c e n tii In d iæ
O c c id e n ta lis . R e v . L . G u i ld in g .
Caude.x rcyens, crassiusculus, dense fusco-squamosus, fibrosus, fibris numerosis, fibformibus, flexuosis, ramosis.
Stipites plurimi ex eodem caudice, subcongesti, graciles, castanei, bine sulcati, inferne nigri, nitidi, squamis minutis
lanceolatis, membranaceis, reticulatis, spinoso-ciiiatis obsiti, demum nudi; sterilium duas ad tres uncias longi;
fertilium duplo triplove longiores.
Frondes sex ad octo uncias longæ, erectæ, nunc subfalcatæ, coriaceo-membranaceæ, bneari-lanceolatæ, basi
apiceque attenuatæ, intcgerrbnoe, utrinque, statu juniore præcipue, squamuloso-viscidæ, squamis mbmtissimis
membranaceis reticulatis, magis minusve profunde ciliatis : costa distincta ; venæ parallelæ plerumque furcatæ :
ß-ondes fertiles lineares, sterilibus plerumque longiores.
Capsulæ totam paginam inferiorem frondis tegentes, fuscæ, sphæricæ, stipitatæ ; annulo subcompleto cmctoe.
Semina flavo-fusca, limbo tuberculato.
Fin-. 1. Capsulæ. f. 2. Semina, f. 3. Squama stipitis. f. 4. Squama frondis;— auct.
W e h a v e s c a r c e ly le s s p l e a s u r e h i f ig u r in g a s p e c ie s o f F c r i i w h ic h h a s b e e n in v o lv e d in o b s c u r i ty ,
t h a n iu m a k i n g k n o w n o n e w h ic h is a l t o g e t h e r n e w . I u t h e p r e s e n t in s t a n c e w e h a v e , f r o m t h e
I s l a n d o f S t . V i n c e n t , g iv e n w h a t w c b e l ie v e to b e t h e t r u e A c r o s t i c h u m v is c o s u m o f S w a r t z a n d
W i l ld e n o w , o f w h ic h n o r c jn - c s o n ta t io ii h a s h i t h e r t o b e e n p u b l i s h e d . W e t h i n k , h o w e v e r , t h a t t o o
m u c h s t r e s s m u s t n o t b e la id u p o n t h e v i s c id n a t u r e o f t h e p l a n t , n o r u p o n t h e s c a le s o f t h e f r o n d ;
b o t h o f w h ic h a r c lia b le t o v a r ) - : a n d t h e l a t t e r in p a r t i c u l a r , w e k n o w a lm o s t e n t i r e ly d i s a p p e a r w i th
a g e , r em a in in g o n t h e m id r ib , a n d a t t h e m a r g i n , a n d o n t h e u n d e r s i d e o f t h e f r o n d , t h e l o n g e s t .
T h e s c a le s , t o o , v a ry in s iz e a n d iu t h e r e la tiv e l e n g t h o f t h e c ilite , w h i c h s o m e t im e s g iv e th e
a p p e a r a n e o o f m e r e s t e l l a t e d h a i r s to t h e s c a le s . T h i s k i n d a b o u n d s m o r e o n t h e u p p e r s u r f a c e o f
th e f r o n d o f o u r s p e c im e n s f r o m t h e M a u r i t i u s , w h i c h c a n b y n o fi.x ed c h a r a c t e r b e d i s t in g u i s h e d
f r o m t li e s ii c c ie s o f th e W e s t I iu lie s