American Fern Journal 



Vol. 4. No. 2 



Plate No. 17. 

 1, 2 == Ceropleris triangularis; i = a leaf, x H; 2 = a leaflet or Ieaf-l<>he. 

 v. «• f = Pell " ea occidentals; 3 = a leaf. X X; 4 = the under 

 «de of a fertile leaflet. XI. 5. 6 = Cheilanthes gracillima; 6 = a leaf. 



iL J\ = c Pnmary leaf " divisi on. X 2. 7. 8 = Cheilanthes Feei; 7 = 

 „„ , ,. -.f = * primar >' leaf-division. X 2. 9. 10. 11 = Cryptogramma 



f^S; ?V Sterile leaf 'XH; 10 = a fertile leaf. X W. 

 11- two fertile leaflets, under side. X 1. 12, 13 = Cryptogramma densa; 

 12 = a leaf, x X; 13 = two fertile leaflets, under side. X 1. 



46 



