Tab. XXVII. 



A. DicKSONiA uvBiGiyi osA, Kaiilf. — p. 79. 



Fig. I. Portion of a fertile frond ; nat. size. Fig. 2. Segment 

 of ditto ; magnified. Fig. 3. Portion of the same ; more 

 magnified. 



B. DiCKSONIA ANTHRISCIFOLIA, Kaulf. — p. 79. 



Fig. 1. Portion of a fertile frond ; nat. size. Fig. 2,3. Seg- 

 ment and portion of ditto ; more and less magnified. 



C. DiCKSONIA APPENDICULATA, Wall. p. 79. 



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

 of a fertile ditto ; ditto. Fig. 3. Pinna from the same ; 

 magnified. Fig. 4. Sorus ; more magnified. 



