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P O L Y PO D IUM SCOULERL
F I L I C E S .— G y e a t æ . Br. P o l y p o d ia c e æ . Kaulf. F i l ic e s v e ræ . JVilld., Spreng.
: é j .
G e n . C h a r . P O L Y P O D I U M , Sw a rtz . S o r t su b ro tu n d i (s e ria ti, sp a rs i, v . c o n fo rti). J n v o lu -
c n m i n u llu in . B r .
P o l y p o d iu m AScow/m’; f ro n d e c o ria c e a p ro fu n d e p in n a tifid a , lo b is su b q u in is o b lo n g is ob tu s is s im is
o b s c u re c rc n a tis b a s i su b lo b u la tis , te rm in a li m a jo re so rifc ra , so ris a p p ro x im a tis b is c ria lib u s .
H a k . P ro p e flum en C o lum b ium , in p la g a oc c id en ta li A m e ricæ S ep te n trio n a lis . D . S c o u le r .
Caudex repens, squamoso-setaceus, squamis subulatis, fuscis.
Stipes uncialis, erectus, nudus, dorso semicylindraceo, superne canaliculatus.
Frons, circumscriptione late ovata, profunde pinnatifida, coriacea, lobis plerumque quinqué oblongis, obtusissimis,
obscure crenatis, costatis, subnervosis, glaberrimis, basi sublobulatis, lateralibus sesquiuncialibus, terminali
majori, biunciali e t u ltra, sorifero.
Rachis fusca, glabra.
Sori in duas lineas arete dispositi, fusci, rotundati, prope costam vel rachiii inserti.
Capsulæ subrotundoe, fiiscæ, longissime stipitatæ, stipite ai-ticulato.
Semina oblonga, vel subreniformia, sub summa lente reticulata, flava.
Fig. 1. Capsulæ cum stipitibus. f. 2. Semina:—magn. auct.
A m o n g tb c in te r e s tin g c o lle c tio n o f p la n ts w h ich D r. S c o u le r h a s re c e n tly b ro u g h t f rom th e
N o r th -W e s t c o a s t o f A m e ric a is th e p r e s e n t ve ry d is tin c t spe c ie s o f F e rn . I t m ay p e rh a p s r a n k
n e x t to P o l y p o d iu m v iilg a r e , b u t is d is tin g u ish e d from th a t , as f rom eve ry o th e r o f th e same
tlivision, b y th e sm a ll n um b e r o f lo b e s , th e i r re la tiv e b r e a d th a n d le n g t lv th e ir b lu n tn c s s , a n d th e
la rg e te rm in a l o ne w ith its d is tin c t a n d p rom in e n t sp o ts o f fru c tific a tio n .