PHYSIOLOGICAL ACTION.—Dr. T. C. Duncan notes the following symp- 
toms in seven persons who partook of the pounded fresh flower-heads: A sensa- 
tion of fulness and congestion of the salivary Je with pain, which i in one indie 
istry and action of this species is really to be desired. 
DESCRIPTION OF PLATE 48. 
hy ‘Flower (enlarged). 
2. Whole plant from a stony pasture, Ithaca, N. Y., June 3d, 1880. 
3- Pollen x 380. 
