ILLUSTRATIONS. 
Page. 
Plate I. Papaya orchard in which nearly every tree is bearing fruit 16 
II. Crates for papayas 16 
III. Pistillate papaya tree and flower of the dioecious type 16 
IV. Fig. 1. — Male papaya tree. Fig. 2. — Correse tree with a few fruits; 
staminate flowers to the right 16 
V. Fig. 1. — Correse tree bearing only two or three fruits. Fig. 2. — Cor- 
rea? tree bearing many fruits 24 
VI. Elongata tree and fruit 24 
VII. Fig. 1. — Elongata tree with long bare spaces, and elongata her- 
maphrodite flower. Fig. 2. — Sterile hermaphrodite tree 24 
VIII. Elongata and pentandria fruits on the same tree, pentandria flowers, 
and a fruit within a fruit 24 
IX. Fig. 1. — Intermediate forms. Fig. 2. — An example of parthenocarpic 
development 24 
X. Fig. 1 . — A papaya tree changed from male to female by pruning. Fig. 
2 . — Pistillate flower with elongata form of ovary 24 
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