PLend.cr. 1. FILICES. 4. Polypod. S 



^, senatiim. Leaves doubly serrate. 



Polypodium murale, pinnulis serratis Petiveri, Rail Syn. 117, 2. 

 y. simiatum. Lohes sinuate. 



Polypodium vulgare lobis pioliferis, Bolt. Fit. 33. 



S". Camhricum. Lohes pinnatifido-dentated. 



Polypodium Cambro-britannicum, &c. Plukeneti, Raii Syn. 117,3. 

 P. Cambiicum, Linn. S.P. 1546. 

 P. vulgare y, Huds. Fl. Angl. ib5. 



E. acutum. Leaves very long, distantly serrated; ser- 

 ratures tapering to an acute point. 



2. Polypodium latehrosum. Shady polypody. 

 Frond, bipinnatifid, two lower leaflets bent back ; lohes 



linear, lanceolate, obtuse, not notched, ciliated | lower ones 

 adnato-decurrent at the base by a four-rcornered ap- 

 pendage ; veins hairy : son solitary, marginal. 



Filix mas q. F. minor Britannica, &c. Bob. H. Ox. Raii Syn. 122, §. 

 Pol. Phegopteris, JLin. S. P. 1550. 

 Pol. latebrosupi, Sal. Prorf. 403. 

 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; sori distinct, near 

 the margin of the lobes. 



3. Polypium pulchellum. Handsome polypody. 

 Frond ternate, bipinnate, spreading, deflected ; lohes ob- 

 tuse, scarcely notched ; sori marginal ; root filiform. 



Filix fcBmina q. F. ramosa minor J, Bauh, Raii 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 ; 

 lohes oblong, crenato-dentate ; rachis nearly capillary, ra- 

 ther downy ; sori numerous, small, not in the least hairy, 

 never running into one another. 



4. Polypodium calcareitm. Lime polypody. 

 Frond ternate, bipinnate, straight, rather ridged; lohes 



rather obtuse, scarcely notched ; sori marginal, confluent. 



