MISSOURI BOTANICAL GARDEN BULLETIN 167 
tropical fruits and is widely grown throughout the tropics, 
having been cultivated in Mexico for centuries. It is grown 
commercially in Florida and is shipped to the northern states 
during winter months. Budded trees of improved types pro- 
duce two to three hundred medium-sized fruits. The fruits 
are pear-shaped, light or dark green, and the interior is a 
mass of yellowish pulp of the consistency of firm butter and 
of a delicious nutty flavor. Varieties “El Oro,” “El Fuerte,” 
“San Sebastian.” 
Pithecolobium dulce. Leguminosae. Zamang.— A very 
large tree of Mexico. A circumference of 570 feet has been 
attained at the top branches, while the diameter of the stem 
reaches 9 feet. The pods are thick, flattish, curved, contain 
a sweetish pulp, and are commonly used for feeding cattle. 
Pithecolobium filicifolium (wild tamarind), West Indies. 
Psidium. Myrtaceae. Guavas, various species—Small 
trees, native of tropical America. The collection embraces 
a number of species, among which are the lemon guava, red 
guava, and white guava. The trees are rather widely culti- 
vated and have become naturalized in most tropical and sub- 
tropical countries, including Florida and California. The 
fruit is the important part of the plant, being used for des- 
serts and jelly. 
Psidium Cattleianum, P. Guajava, P. Araca, and P. litto- 
rale, Brazil. P. cuneifolium, P. pyriferum, and P. acre, 
tropical America. P. chinense, China. 
Spondias dulcis. Anacardiaceae. Otaheite apple. — The 
tree abounds in Polynesian islands, and has been introduced 
in many parts of the tropics. It attains a height of 50-60 
feet i has dark n, winged leaves, which contrast with 
the golden fruit. The average fruit is about the size of an 
apple. The rind tastes of ntine, but the pulp has a fine 
apple-like smell and agreeable flavor. The wood is valued 
for making canoes. 
Spondias lutea. Anacardiaceae. Hog-plum.—A tree at- 
taining a height of 40-50 feet. It is commonly cultivated 
for its fruit, which is oval and yellow, and is used for feed- 
Ing swine. 
Tamarindus indica. Leguminosae. Tamarind. — The 
tree, found chiefly in Africa, grows to a height of 60-80 feet 
and has a wide-spreading head of dense foliage. Though 
cultivated for its fruit, it is frequently used as a shade tree 
in warm countries, and as such its value is enhanced by the 
Sours flowers that it bears. The fruits have an agreeably 
acid taste and in hot countries are used for making cooling 
