i 
FERTILIZATION OF CATTLEYA LABIATA. 403 
after pollination, also two thirds natural size: these, with the 
drawings in fig. 7, form a series. The development of the ovules 
Fig. 9. 
themselves is represented at five different stages in fig. 12, and 
four later in fig. 13, all greatly enlarged, thus :— 
A, the ovule rudiment before pollination. 
B, ” » 30 days after the pollination of the flower. 
0, ” ” 55 » » » 
D, " » 66 » » » 
E, » » 72 . » » 2 
F, > » 75 » » » 
G, ” » 90 » » » 
H, » » 120 " " n 
1, ” ” 150 » » » 
, diment 
The series A-F si he development of the ru 
e series A~F simply shows the it is at this stage that 
nto the perfectly anatropous ovule; 
