112 FERNS: BRITISH AND FOREIGN. 



36. PSOMIOCARPA, Presl. in pai t. 



Vernation fasciculate, erect. Fronds stipate, deltoid, sub- 

 bipinnate, the sterile 6-8 inches high, pilose, with articulated 

 hairs ; pinnae 3-4 inches long ; pinnules sessile, decurrent, 



Genus 36. Portion of fertile and barren fronds. No. '. 



oblong elliptical, ^-f inch long, unequally dentate or sub- 

 laciniated. Veins forked ; venules free. Fertile frond 14-18 

 inches high, long, stipate, slender, wholly contracted, forming a 

 sporangiferous panicle. 



P. apiifolia, Presl. Epim. Sot. Polybotrya apiifolia, /. Sin. 

 En. Fil. Philipp. ; Kunze, in Schk. Fil t. 62 ; Gard. 

 and Field Sert. t. 30, 31 ; Hook. Sp. Fil. 5, 248. 

 Luzon 



37. POLYBOTRYA, Humb. et Sonpl. 



Vernation uniserial ; sarmentum scandent, squamose. Fronds 

 bi-tripinnate, 2-3 feet long. Veins pinnate ; venules free. 

 Fertile segments convolute, pinnatifid or spicaeform, wholly 

 sporangiferous. 



1. P. osmundacea, Hunib. et Sonpl. Nov. Gen. 1, t. 2 ; HooJc. 

 Gen. Fil. t. 78 B. P. cylindrica, Kaulf. ; Fee, Acrost. 

 t. 36. Polybotrya speciosa, Schott. Gen. Fil t. 7. 

 Tropical America. 



