4S 



Fronds uniformly lobed, pinnatilid or pinnate. 

 Segments monosorout. 



9. P. Sherringii, Baker. 



10. P. nimbatum, Jenm. 



11. P. exiguum, Grisb. 



12. P. trichomanoides, Swartz. 



13. P. basi-attenuatum, Jenm. 



14. P. tcenifolium, Jenm. 



15. P. nutatum, Jenm. 



16. P. Hartii, Jenm. 



Segments polysorous. 



Fronds tapering at the base, subsessile, or petioles not ex- 

 ceeding 1| in 1. 



Fronds under 6-9 li. w. 



17. P. moniliforme, Lag. 



18. P. saxicolum, Baker. 



19. P. albo-punctatum, Baker. 



20. P. lubeeforme, Kaulf. 



Fronds from £-l£ in. w. 



21. P. rigescens, Bory. 



22. P. heterotrichum, Baker. 



23. P. pendulum, Swartz. 



24. P. lasiolepis, Mett. 

 Fronds from f -2 in. w. or over. 



25. P. cultratum, Willd. 



26. P. cappilare, Desv. 



27. P. graveolens, Baker. 

 Fronds not, or little reduced at the base, petioles 1 — several 



in. 1. 



Fronds f -3 in. w. 



28. P. curvatum, Swartz. 



29. P. Otites, Swartz. 



30. P. trifurcatum, Linn. 



31. P. Eggersii, Baker. 



32. P. suspensum, Linn. 



33. P. asplenifolium, Linn. 



34. P. brunneo-viride, Baker. 



35. P. firmum, Klotzsch. 



36. P. taxifolium, Linn. 



Fronds 1-6 in. w. 



37. P. Plumula, H. B. K. 



38. P. pectinatum, Linn. 



39. P. Paradisfee, L. & F. 



40. P. simile, Linn. 



41. P. dissimile, Linn. 

 Fronds pinnate, petioles winged to the base. 



42. P. microchasum, Baker. 

 Fronds not articulated at the base of the stipe ; pinnate or bipinnate*. 



— Phegopteris, Fee.* 



Fronds simply pinnate. 



43. P. hastaefolium, Swartz. 



44. P. fiavopunctatum, Kanlf. 



