Polypodium. } CXLVIII. FILICES. 
gre ‘tala lame entire or pinnatifid, posing or ciliate- 
airy, the venation usually concealed in the thick 
> ture of th re (Eupol lypodium 
e 0 
Fronds entire, os TO Sori opens or "linear. . . L £ austr e 
Fronds cat "vq with long bro airs . Hooker 
Fronds pinn with short Linosa entire lobes . 3. P blochnoides. 
Sse pint with linear dentate or Dingen 
lobes 4. P. grammitidis. 
(No P Aspidia, ) 
Fronds pinnate, with numerous err me articu- 
late on the rhachis (Arthropteris) . 
(See sect. Nephrolepis of A disk. 
5. P. tenellum. 
Fronds decompound, twice se thrice pee: with mua 
tifid pinnules (Phegopteris) . : 
(See sect. Lastrea of dapib. 
6. P. punctatum. 
Sers IL, Synneura.— Branches of parallel primary veins uniting but not 
reticulate, 
ronds Pinne broadly crenate or equally 
aka a with a pinnate vein le ading to e Be lobe, 
the veinlets M adjoining lobes beige in an 
roii rmediate ale ae the us (Gonio- 
Fronds ds spreading, proliferous. Pinnw 1 to 4 in. long. 
efly near the gre car .OT. P. proliferum. 
Fronds un erect, Eo 12 in. ` Sori i in 2 par- 
allel rows between o n = uy véni 0*9 T P. urophyllum. 
Fronds erect, densely villous MES . P. Hill, 
(See also sect. po of du 
Fronds and venation of use: goat E that 
branches of the primary v ose bat dd 
not form a parallel atout vida Vs . . 10. P, pacilophMebium. 
Sers Ill. Dictyoneura—Venation reticulate between mor? or less distinctly 
parallel prim ar y pen with a small free usually clavate veinlet in a few or in many of 
the areole. Sori on the free or on the connecting veinlets 
Fronds coriaceous, entire or "o forked, covered with 
d hairs = scales, the fertile ones narrow, the 
ort and broad. Tome D concealed 
barr 
in the > thick texture (Niphobol 
ds undei Sori athe largo, irre irregular] 
_ Scales dense - - ll. P. serpens. 
Fronds6 in. to 2 ft. long Sori ma = sgt 
ws. es 
"M den sely crowded in à he aie p plode 
Fronds wi vihon stellate scales. Sori large and distant in 
w (or 2 in P. planets on each side 
of the eee is sien pus- 
tule on the upper peu pote P. simplicissimum) 
(Goniophlebium Phymatodes). 
