80 



fEKNS : BRITISH AND TOEEIGN. 



lower exterior venales free. JSecepfacZes punctiform, terminal 

 on the free venule.s in the costal areoles. Sori round, transverse, 

 uniserial, protruding through the dense scales. 



1. L. iQoaiia, J". Sm. Polypodium incanum, Sio. P. velatuin, 



Schk. Fil. t. 11 B. — Tropical America and Southern 

 United States. 



2. L. sepulta, /. 8m. Polypodinm sepultum, Kaulf. ; Lowe's 



Ferns, 1, t. 34 A. P. rufnlnm, Presl. P. hirsutissimum, 

 Sad. Fil. Bras. t. 26. Aerostichum lepidopteris, Laiig. 

 et Fisch. Ic. Fil. t. 2. — Tropical America. 



3. L. squamata, /. 8m. Polypodimn sqnamatuni, Idnn. 



, {Plum. Fil. t. 79) ,- Lowe's New Ferris, t 34.— West 

 Indies. 



4. L. rliagadiolepis, J. 8m. Goniophlebium rhagadiolepia, 



Fee, Mem. Polypod. t. 19,/. 3. Polypodinm thysano- 

 lepis, A. Braun. — Tropical America. T. 



7. GONIOPHLEBIUM, Presl; J. 8m. 



Shizoms thick and fleshy, or slender and sub-hypogseons. 

 Fronds pinnatifid or pinnate, rarely simple, uniform, 1 — 3 feet 

 high, smooth or slightly pubescent, segments and pinnae adhe- 

 rent with the raohis. Veins once or more times forked, or equally 

 pinnate, the lower anterior venule always free, the rest angu- 

 larly anastomosing, and generally producing an excurrent free 

 veinlet from the junctions. Receptacles punctiform, superficiiil, 

 terminal on the anterior free venules and also often on tLe 



Genu!) J. — Portion of mature frond. No. 12. 



