115-3 
The volatile oil, and acrid and bitter principle, have not as yet been chemically 
analyzed. 
PHYSIOLOGICAL ACTION.—The symptoms caused by doses varying from 
10 to 60 drops of the tincture, observed by several German experimenters,* were 
substantially as follows: Confusion of the mind and cephalalgia; violent pressure 
in the eyes with lachrymation and itching, redness and swelling of the margins 
of the lids, violent burning of the lids, dimness of vision, sensation as though the 
eye were covered with mucus; weakness, and photophobia; sneezing and fluent 
coryza; odontalgia ; nausea ; constipation ; hoarseness, violent cough, with profuse 
expectoration, and difficult breathing ; yawning and sleeplessness ; profuse secre- 
tion of urine; and sweat. 
DESCRIPTION OF PLATE 115. 
1. Whole plant, once enlarged, Kearsarge, N. H., July 24th, 1883. 
2. Calyx. 
3. Flower. 
4. Stamen. 
5. Seed. 
(2-5 enlarged. ) 
* See Allen’s Encyc., 4, 254 
a 
