EXPLANATION OF THE PLATES. 
Piatt CXXXVI. PROSOPIS JULIFLORA. 
1 and 2. Flowering branches, natural size. 
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. Diagram of a flower. 
. A flower, enlarged. 
. Vertical section of a flower, enlarged. 
. Front and back view of a stamen, enlarged. 
. Vertical section of an ovary, enlarged. 
. An ovule, much magnified. 
Pratt CXXXVII. PRosoPIs JULIFLORA. 
1. A fruiting branch, natural size. 
2. 
3. 
A cluster of half-grown fruit, natural size. 
Vertical section of a portion of a legume, natural size. 
4 and 5. Vertical sections of a seed, enlarged. 
6. 
An embryo, magnified. 
