Tab. XXI. 



A. WOODSIA GUATEMALENSIS, Hook. p. 60. 



Fig. 1. Portion of a frond; nai. size. Fig. 2. Segment of a 

 pinna; magnified. Fig. 3, 4. Sori ; more magnified. 



B. WooDsiA Peruviana, Hook. — p. 61. 



Fig. ] . Portion of a frond ; nat. size. Fig. 2. Pinnule ; mag- 

 nijied. Fig. 3. Portion of the same with two sori ; more 

 magnijied. 



C. WoODSIA ELONGATA, Hook. — p. 62. 



Fig. 1. Portion of a frond; nat. size. Fig. 2. Portion of a 

 pinna ; magnijied. Fig. 3, 4. Sori ; more magnijied. 



