PL end. cr. 
1 . FILICES. 4. Polypod. 
5 
O. serratum. Leaves doubly serrate. 
Polypodium murale, pinnulis serratis Petiveri, Raii Syn. 117, 2» 
7 . sinuatum . Lobes sinuate. 
Polypodium vulgare lobis proliferis, Bolt. Fil . 33. 
Cambricum. Lobes pinnatifido-dentated. 
Polypodium Cambro-britannicum, &c. Plukeneti, Rail Syn. 117,3. 
P. Cambiicum, Linn. S.F. 1546. 
P. vulgare y, Huds. FI. Angl. 455. 
s. acutum . Leaves very long, distantly serrated; ser~ 
ratures tapering to an acute point. 
2. Polypodium latebrosnm . Shady polypody. 
Frond, bipinnatifid, two lower leaflets bent back ; lobes 
linear, lanceolate, obtuse, not notched, ciliated ; lower ones 
adnato-decurrent at the base by a four-cornered ap- 
pendage ; veins hairy : sori solitary, marginal. 
Filix mas q. F. minor Britannica, &c. Bob. H. Ox. Raii Syn. 122, 8. 
Pol. Phegopteris, Lin. S. P. 1550. 
Pol. latebrosnm, Sal. Prod. AOS. 
Wood Polypody. 
Fissures of rocks ; perennial ; June and July, 
Frond erect, 1 — 2. feet high, pale green ; stem very long, 
hairy, and scaly; pinnce opposite, connate, soft, hairy, 
lower ones reflexed; margin subcrenate; son distinct, near 
the margin of the lobes. 
3. Polypiumpulchellum. Handsome polypody. 
Frond ternate, bipinnate, spreading, deflected ; lobes ob^ 
tuse, scarcely notched ; son marginal ; root filiform. 
Filix fcemina q. F. ramosa minor J. Bauh. Rail Syn. 125, 6. 
Polypodium Dryopteris, Lin. S. P. 1555. 
Pol. pulchellum, Sal. Prod. 403. 
Shady sides of rocks ; perennial ; July. 
Stipes very slender, erect, a foot high, smooth ; frond 
ternate, spreading, rather bent down, very tender, light 
green, 3 in. wide, bipinnate, the odd one rather larger; 
leaflets sessile, the lower ones larger and more compounded ; 
lobes oblong, crenato-dentate ; rachis nearly capillary, ra- 
ther downy ; sori numerous, small, not in the least hairy, 
never running into one another. 
4. Polypodium calcareum. Lime polypody. 
Frond ternate, bipinnate, straight, rather ridged ; lobes 
rather obtuse, scarcely notched ; sori marginal, confluent. 
