( 21 ) 

 17. PTERIS (Continued.) 



18. PTERIS AQUILINA, Linn. 



VAR. P. CAXJDATA, Linn. 



18. CERATOPTERIS, Brong. 



1. CERATOPTERIS THALICTROIDES, Brong. 



19. LOMARIA, Willd. 



1. LOMARIA ONOCLEOEDES, Spreng. 



2. L ATTENUATA, Wiihl. 



3. L PLTJMIERI, Fee. 



4. L DIVERGENS, Knnze. 



5. L PROCERA, Spreng. 



6. L BORYANA, Willd. 



7. L SEMIOORDATA, Baker, 



20. BLECHNUM, Linn. 



1. BLECHNUM UNILATERALE, Willd. 



2. B OCCIDENTALE, Linn, 



