PHYSIOLOGICAL ACTION.—The provings of this species are not yet suffi- 
ciently developed to distinguish its action from that of the preceding. _ 
DESCRIPTION OF PLATE 4. 
1. End of a flowering stem, Ithaca, N. Y., June 24th, 1885. 
a 2, 3 and 4, Leaf forms. . 
5. Carpel. 
6. Section of a carpel. 
