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7 
CHANGED FROM A MALE TO A FEMALE 
This tree started life as a male in the back yard of Dr. John T. Gulick, the geneticist, in Hono- 
lulu, As it produced no fruit, it was cut down to a stump and 
by supporting a clothes line. Losing its head apparently brought a change of 
allowed to earn its keep 
f heart, for it 
proceeded to send forth new branches which were not male, but female, and bore good 
fruit, as the photograph shows. Such reversal of sex by heavy pruning 1s not rare in the 
papaya, but the change does not always take place when desired. 
(Fig. 13.) 
