Ambrosia Artemisisæfolia
Clarke, A Dictionary of Practical Materia Medica, 1900, Vol. I, p. 79
Ragweed. Roman Wormwood. Hogweed. (America.) N. O. Compositae. Tinct-e of fresh flower heads and young shoots. GHaieaL— Coryza. Hay-fever.
Characteristics
Dr. ff. T. Marsh and another experimenter suffered severely from symptoms of coryza and hay-fever whilst observing the pollen of this plant. It should therefore be of service in similar affections.