AN ENUMEEATION OF COTiTIVATED PEEKS. 191 



18. P. aspercaulis, Wall. ; Lowe's Ferns, 4, t. 8. P. pecti- 



nata, Don, — var. rubro-nervia. P. rubro-nervia, 



I/i/rtden. — East Indies. 



19. P. flabeUata, Thwrib. — Soutt Africa. 



20. P. arguta, Ait ; Lowe's Ferns, 3, t. 41. P. allqsora, Link. 



P. palustris, Poir. Mongoriia palustris, Presl. — 

 Madeira. 



21. P. BCingiana, Endl. ; Lowe's Ferns, 3, t. 46.— Norfolk 



Island. 



22. P. tremula, B. Br.; Sook. 8p. Ml. 2, t. 120 B; Lowe's 



Ferns, 3, t. 45. P. chrysocarpa, Link. — ^Australia 

 and New Zealand. 



23. P. lata, IMc ; Lowe's Ferns, 4, t. 6. — Brazil. 



24. P. paleacea, Boxh. m Beatson's Fl. of St. Selena,p. 349 ; 



Hook. 8p. Fil. 3, p. 186.— St. Helena. 



ft Fronds tripartiiely hrcmched, deltoid, generally 

 quad/ri/pirmate. 



25. P. deflexa, Limh, Frvwm. Sort. Berol. — Tropical America. 



26. P. deoussata, /. Sm. Envm. Fil. Philipjp. (1841). P. 



patens, Hook. 8p. Fil. 2, p. 177, t. 137.— Ceylon, 

 Luzon. 



27. P. laciniata, Willd.; Presl, Pierid. t. 5,/. 23; Hook. 8p. 



Fil. 2, 1. 132 B.— "West Indies. 



28. P. Gheisbeghtii, J. 8m,. Lonchitis Gheisbeghtii, Linden, 



Gat. — Tropical America. 



*** Vernation v/niserial, distcmi, sa/rmentose. 

 f 8a/rmentwm slender, epigaeous. 



29. P. scaberula, A. Rich ; Hook. 8p. Fil. t. 93 A ; Lowa's 



Ferns, 4, 1. 10. — New Zealand. 



tf Sarmentmn thick, fleshy, hypogoBOUS. 



30. P. aquilina, Linn. • 8ohh.. Fil. t. 95 et 96 ; Fng. Bot 



t. 1679 ; Limdl. and Moore's Brit. Ferns, t. 44 ; 

 Bowerby's Ferns, t. 38 ; Hook. Brit. Ferns, 38. — 

 Tropical and Temperate Zones of both Hemispheres. 



