260 : The Botanical Gazette. [August 
velopment, either the nucleus was found in some stage of division, or 
a distinct wall was present. 
During the development following the stage shown in fig. 7, the tis- 
sue of the nucellus surrounding the developing sac laterally is rapidly 
bryo-sacs in ovules near the wall of the Ovary are more elongated 
(fig. 8) than those of centrally placed ovules (fig. 9). This is due, of 
Course, to pressure against the wall of the ovary mainly. 
The position of the antipodal cells varies here as in almostall plants. 
In some cases all three appeared to lie side by side, others as shown 
in fig. ro, 
It gives me great pleasure to express my sincere thanks to Dr. Doug- 
las H. Campbell, of the Leland Stanford University, for numerous 
Suggestions given me in this work.—Davip M. Mortirr, /ndiana Uni- 
versity, Bloomington. 
€ embryo-sac, mother cell in Process of division, xX 236. Fig. 6, similar ts 
1 ’ : 
8, andg, embryo-sacs with nucellus and portion of integument cells, X 136. : 1% 
10, antipodal cells of embryo-sac, X 236. Fig. 11, embryo-sac of 8, X 236. 
: or the 
know that, in some institutions, they have been changed mi 
better. For the lack of digested and tabulated information, 
