20 
BULLETIN 61, HAWAII EXPERIMENT STATION 
nate. The results failed to show that papaya plants of a definite 
sex can be selected in the seed. The writer has not learned of a 
Figure 18. — Small deformed papayas sometimes develop in the normal fruit 
single substantiated instance of anyone's being able to determine 
the sex of young seedling papayas previous to the appearance of 
the inflorescence. 
N\ f 
Figure 19.— Flowers and youiiR fruit from the same plant ; several sex forms are 
present. Some of the modifications produce deformed fruit as is here shown 
Investigations show that most of the sex forms are not constant, 
that one may assume the role of another, and that most of these 
changes take place without apparent cause. (Fig. 14.) Such an 
