DESCRIPTION OF PLATE 145. ; ue 
1. Flowering branch from Binghamton, N. Y., May 3d, 1884. 
2. End of branch in leaf. as 
3. A flower in section. 3 
4. A stamen of the outer row. 
5. Pistil. x 
6. Pollen x 380. ec aea eee oe 
: (3-5 enlarged.) j - 
