Fig- 592. Soii of A^ephrolepis, illustrating their diversity of position and relation within the genus. (All 

 after Christ.) a, l>, c = N. cordifolia (L.) Presl, a = sori enlarged, /5=rhizome, if=pinna, natural size. 

 d, e=N. acuta (Schenkr.) Presl, d=hz.SQ of pinna, natural size, e = sori, enlarged, k, i=N.floccigera 

 Moore, /2 = pinna, natural size, /=sori from above and below, enlarged, k, I, m = N. davallioides 

 (Swartz) Kunze, /i = pinna, natural size, /=sorus from above, ;« = sorus from below, enlarged. 

 «, 0, p, q = N. dicksonioides Christ, « = fertile, (7 = sterile pinnae, natural size, <7 = sorus from below, 

 p =sorus from above, enlarged, t, u, v, w, x — N. abrupta (Bory) Matt, ^ = part of a pinna, en- 

 larged, «< = sorus from below, z^ = sorus from above, enlarged, w = fertile, x = sterile pinna, natural 

 size, r, s, y — N. acutifolia (Desv.) Christ, ;-=fertile, j- = sterile pinna, natural size, _y = part of the 

 coenosorus, enlarged. 



