Tab. XII. 



A. Cy/XTHEa cuspidata, Kze, — p. 19. 



Fig, 1. Fertile pinna: nat. size. Fig. 2. Segment of ditto; 

 magnified. Fig. 3. Portion of ditto, with a sorus ; more 

 magnified. 



B. Cyathea excelsa, Sw. — p. 24. 



Fig. 1. Fertile pinna; nat. size. Fig. 2. Segment of ditto; 

 magnified. Fig. 3. Portion of ditto, with a sorus ; more 

 magnified. 



C. Cyathea spinulosa, Wall. — p. 25.* 



Fig. 1. Upper side of a sterile pinna; nat. size. Fig. 2. Seg- 

 ment of ditto; magnified. Fig. 3. Fertile pinna, nat. 

 size. Fig. 4. Segment of ditto ; magnified. Fig. 6. Por- 

 tion of ditto, with a sorus. Fig. 6. Portion of the stipes ; 

 nat. size. 



* By mistake the reference to this plate is given as Tab. XIV. C. 

 The reader is requested to correct this error with a pen. 



