20 
BULLETIN 7 4, HAWAII EXPERIMENT STATION 
Fruit— The fruit is ellipsoidal, orange-yellow, 2.5 inches long and 
unusual in being surmounted by three large green bracts. The rind 
or soft shell surrounds a white spongy covering of the edible portion 
which consists of juicy pulp and seeds. 
Figure 7. — The sweet calabash (Pa&siflora maHformis) is very ornamental. The hard 
rind of the edible fruit is difficult to open. The species is said to have particular value 
in crossbreeding work. 
SWEET CALABASH 
The sweet calabash is botanically known as Passiflora maliformis 
Linn. Popenoe (13, p. 21$) states that it is native of tropical 
America where it is called " curuba " or " kuruba ", and that it is 
