AN ENUMERATION OP CULTIVATED FEENS. 



Vo 



2. HUMATA, 0cm. 



FJdaome suvculoee, slender, squamiferous. Fronds linear- 

 lanceolate, entire, sinuose, pinnatifid or 

 deltoid bipinnatifid, smooth, coriaceous. 

 Vei/ns simple or forked ; venules free, 

 often tKickened and clavate. Meceptades 

 terminal, punctiform, on all or only on 

 the anterior venules of each fascicle. 

 Sori marginal or anti-marginal. 'Indu- 

 si/wm, sub-rotund or reniform, coriaceous, Genus 2.— Portion of fertile 

 interiorly attached by its base only, frond-mderside. No. 1. 

 shorter or equal with the margin, and forming with it a bila- 

 biate vertical or sometimes oblique cyst. 



1. H. heterophylla, J. Sm. ,- Eooh et B(mer, Gm. Fil. 1 114. 



Humata ophioglossa, Gav, Humata pinnatifida, Gwo. 

 DavalUa heterophylla, Hook, et &rev. Ic. Fil. t. 230 ; 

 nooh. Fil. Exot. t. 27 ; Lowe's Fents, 8, 1. 19 ; Hoolc. 

 Sp. Fil. 1, f. 162. — Malayan Archipelago. 



2. H. pedata, J. Sm. Davallia pedata, 8m. ; Rooh. 8p. Fil. 1, 



t. 15 A; Hooh. Gard. Ferns, t. 7. Pachypleuva 

 pedata, Fresl. — Malayan Archipelago. 



3. H. Cumingii, /. 8m. Davallia Oumingii, Eooh. 8p. Fil. 



1, t. 4:6 B. — Philippine Islands, Ceylon. 



3. DAVALLIA, Sm. 



BMzome surculose creeping, or sub-erect and sub-frutescciit. 

 Fronds generally 

 deltoid, pinnate, 

 bi-tripinnate, or 

 multifid, smooth, 

 often coriaceous. 

 Veins forked; 

 venules free, the 

 fertile ones often 



very short. Be- Genus 3.— Pinnule of fertile frond— under side. No. 7. 

 ceptacles puncti- 

 form, terminal. Sori sub-rotund or vertically oblong, marginal. 

 Indusiwm, scariose, its sides adnate, forming an urceolate or 

 tubular vertical cyst, open exteriorly. 



