78 



FERNS : BEtTISH AND FOEEIGN. 



** Son naked. 

 Tribe III.— POLYPODIES, J. 8m. 



8ori round, oblong, or linear, destitute of a. special indasium. 



5. POLYPODIUM, Linn, in pwrt. 



BUzome generally short and tliick, sometimes sub-hypogaeous. 

 Fronds pinnatifid, pinnate, or bi-tripinnatifid, rarely simple, 

 smooth, villose, or squamiferous, from 6 inches to 2-3 feet high. 

 Veins forked, veiy rarely simple; venules free. Receptacles 

 punctiform, superficial, terminal on the lower anterior venules. 

 Bori round or rarely oval, transversely uniserial or solitary on 

 laciniae. 



Genus 5. — Portion of mature frond. No. 7. 



* Fronds pvimatifd. 



1. P. pectinatum, Limn.; Phim. Fil. t. 83; Hooh. Qa/rd. 



Ferns, t. 10 ; Lowe's Ferns, 2, t. 21. — Tropical 

 America. 



2. P. ParadisesBj Lang, et Fisch. Ic. Fil. 1. 11 ; Lowe's Ferns, 



2, 1. 1. P. Otites, Hort. (nan Linn.). — Brazil. 



3. P. Schkuhrii, Badd. Fil. Bras. t. 27. P. pectinatum, 



ScKk. Fil. t. 17 {exd. syn). P. plumula, Moore 

 and Houlst. {nan Eumh.). P. plumosum, Hort. — 

 Brazil. 



4. P. Martensil, Mett. P. affine, Ma/rt. et Gal. Fil. Mex. t. 



8, /. 1 (not SZiMwe).-^ Mexico. 



5. P. vulgare, Idnn. ; Hooh. Brit. Ferns, t. 2 ; Fng. Bot. 



1149 ; Lindl. amd Mom-e, Nat. Prvnt. Ferns, t. 1, /. 

 A, B, G, D ; Bolt. Fil. Brit. t. 18 ; Bowerhy, Ferns qf 

 Gr. Brit. 1. 1. , 



