224 LIST OF PLATES 



Plate 8. 



A. Young plant of Helminthostachys zeylanica (L.) Hk. Reduced about one-half. 



B. Full-grown plant of Helminthostachys, reduced about two-thirds. Collected in the Hanwella 



Reserve Poorest, Ceylon. 



Plate g. 



A. I, small plant oiDantea jenmani Underwood; 2, rhizome of the same species; 3, apex of sterile 



leaf; 4, fertile leaf; 5, sterile leaf of D. jamaicensis Underwood. 



B. I, young plant of Danica elliptica Sm. (.'); 2, sporophyll of D. jamaicensis; 3, 4, very young 



plants oi D. jamaicensis (.?). 



All specimens collected in Jamaica. 



Plate 10. 



Adult sporophyte o( Dattcea elliptica. Jamaica. 



Plate ii. 



Kaulfussia tesculifolia Bl. 



1. Young plant showing the rhizome. 



2. Sporophyll. Specimens collected near Buitenzorg, Java. 



Plate 12. 



A. Marattia alatn Swz. 



1 . Part of fertile leaf. 



2. A single fertile pinna. 



3. Fallen leaf-base with adventitious buds, k. 



B. Marattia alata. 



I. Leaf from young plant developed from an adventitious bud. 

 2, 3. Young sporophytes arising from fertilization. 

 All specimens from Jamaica. 



Plate 13. 



Angiopteris evecta (Forst.) Hoffm. 

 1-3. Specimens from Australia; 4, 5, specimens from Peradeniya, Ceylon. 



I, caudex of a small plant; 2, part of a sporophyll; 3, cross-section of the petiole of a full-grown 

 leaf; 4, young sporophyte arising from the prothallium; 5, single leaf from a similar sporo- 

 phyte. 



