552 FILICES. [Polypodium. 
8. POLYPODIUM, L. 
Sori dorsal, usually round, or more or less oblong. Invol. none. Veins 
free and mostly ending with a clavate apex, or anastomosing. Sori ter- 
minal or median. Stipes a xh with the rhizome. 
A a genus, spread over all zon 
Frond simple: 
non Gace entire, with 2 ieee rows of sori: 
Frond naked i 12. P. lineare. 
Frond covered with ‘peltate s scales ; , ; 4 . 13. P. lanceolatum. 
Frond hispid, the sori close to the midrib . e 2 : 3. P. Hookeri. 
Frond sparsely hispid, the sori near the edge 4. P. Samoense. 
Frond | linear, remotely denticulate, with one or few w seattering 
; é i ie: inset pclae 
Frond palmately 3—5-lo bed ; ; i ‘ ; : : j 14. P. spec 
Frond serrate or deeply notched : 
Frond sp: aoe shane. the sori confined to the almost 
entire upper por rion ‘ r F : 3 ‘i - 2. P. serrulatum. 
gee cicicggaseg t the middle, with one sorus to each 
rraturi : ; : : 3 ‘ : ; 5. P. Haalilioanum. 
Fr eat pinn: atifid: 
Frond clipe, with a caudate point; several sori irregularly 
sca) + the lanceolate segments 6. P. sarmentosum. 
Frond tinea, gosh deltoid or short ca lobes with two 
ee ws of sori ; 7. P, Adenophorus. 
Frond b ta covate-oblong. s : : : i ; ; 11. P. pellucidum. 
Frond pin oni ifid : 
Frond large; segments possermys with several sori : 11. P. pellucidum, 8. 
Frond small; segments o sing wate sorus to enol : 8. P. hymenophylloides. 
Frond bipinnate; one sorus pe a E chesia 
Frond nad eonijerirteis, below; Hwee nearspathulate, 
obtuse 9. P. tamariscinum. 
rond pale, n narrowing - below, the pinnles lanceolate. or 
s oainalate iar Sn te again divided 10. P. Hillebrandit. 
A. Eupolypodium. — Veins free. 
— Spores tetraedro-globose, with 3 converging dorsal Hs Annulus 
a 10—14 joints. One central fibro-vasal fascicle. Nos. 
1. P. pseudo-grammitis, Gaud. Bot. Voy. Freyc. p. 345. — Rhizome 
creeping, slender filiform, sparsely fibrillose with narrow lanceolate dark 
scalelets, Stip. at distances of 2—4"', blackish at the base, naked, 1i4—I1!/2! 
ong. ba rond subcoriaceous, pale, glabrous, linear, 2—5‘ X 1—3”", gradually 
from the stipes, obtuse or truncate, sometimes bifid, entire or 
obscurely sinuato-dentate, rarely laciniate, with a distinct costa. Veins 
hidden, mostly simple, straight, very oblique, running into the margin. 
if aw 1—16 upon the whole frond, dorsal or subapical on the veins, 
invepulaity scattered, rather large and sometimes oblong, filling the space 
between rib and edge and even protruding beyond the latter. — Bot. 
Beech. p. 113, tab. 21. — Brack. Fil. U.S. E. E. p. 3. — Sp. Fil. IV, 166. 
— Synops. Fil. p. 320. — Grammitis tenella, Kaulf. — P. Kaulfussti, Presl 
& Metten. Polyp. p. 35. 
Very common on trees. Not known from other countries. Nat. name: «Kolokolo-- 
