AMERICAN FERN JOURNAL Vou. 6, Puats 1. 
VARIETIES SHOWING PROGR 4 ASE IN THE Le 
RESSIV 
1, bostoniensis. 
ge INCRE Division or toe Lear. (Named from right to left) 
2, Piersoni. 3, Whitmani. 4, gracillima. 5, Craigi. 
