ILLUSTRATIONS 
[Drawings by J. K. Santos.] 
Plate I. Isoptera borneensis Burck. 
a, habit sketch of a fruiting branch, reduced about one-half. 
b, a fruit, natural size. 
II. Balanocarpus cagayanensis Foxw. 
a, habit sketch of a flowering branch, reduced about one-half. 
b, a flower, X 3. 
c, stamens, X 20. 
d, a fruit, natural size. 
e, portion of the lower surface of a leaf, showing details of the 
reticulations and the domatia, X 1-5. 
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