Ae seg PAGE 
Observations on Aphyllon uniflorum, By Ameia SMITH, —_ 
BiS. (With: plates xii xivy ev hop cae Gy ee Oe 
The Comparative Structure of the Flowers of Polygala — 
polygama, and P. pauciflora, with Observations on 
Cleistogamy. By Professor CHARLEs H. SHaw, Ph. D. 
OL With plates xvi-xvaly o'r ie Sy cle oe aie soe pei 
Observations on Growth and Cell Division in the Root of at 
Vicia Faba. By BLancHEe Garpner, B. S. (With plate xviii) 150 
Current Problems in Plant Cytology. By Professor J. M. 
PLACE AREA NIC SSS iE EIS aes Tass Perinat wey fc 
Fasciation in the Sweet Potato. By Henry S. Conarp, M. A.,. 
Elarrison\ Fellow. .':( With’ plate xix) - 0p oii de fe a aie 
The Beach Plum Botanically and Economically Considered. 
By Professor J. M.. MACFARLANE. (With plates xx, xxi), . . . 216 
A Study of the Fertile Hybrids Produced by Crossing 
Teosinte and Maize. By JoHN W. HarsuHeerGeEr, Ph. D. 
AWN Pte RIE toe A aes Oh : pais . 231 
Proceedings of the Society . ~ 
List-of Members % 02 bo... ¢ niin 
