Tab. XIII. 



A. Ctathea canaliculata, y. latifolia. Hook. — p. 24. 



Pinna ; nat. size. Fig. 1. Portion of a fertile pinnule ; mag- 

 nified. Fig. 2. Sorus ; and Fig. 3. sorus further ad- 

 vanced; more magnified. 



B. Hemitelia speciosa, Kaxdf. — p. 28. 



Pinna; nat. size. Fig. 1. Portion of ditto : magnified. Fig. 

 2. Sorus; magnified. Fig. 3. Receptacles and involucre; 

 magnijied. 



