304 USES OF PLANTS BY THE CHIPPEWA INDIANS [sTH. ANN. 44 
Asclepias incarnata. Constituents: A volatile oil, resins, and the glucoside 
asclepiadin. 
Asclepias syriaca. Constituents: Similar to those of A. incarnata and in addi- 
tion asclepion. 
Athyrium filix-foemina. Constituents: The active principle resembles filicic 
acid. 
Bursa bursa-pastoris. Constituents: A volatile oil identical with that of 
mustard, and the alkaloid bursine. 
Caltha palustris. Constituents: Berberin and an alkaloid similar to nicotine. 
Caulophyllum  thalictroides. Constituents: Resins, a substance similar to 
saponin, and the glucoside leontin. 
Celastrus scandens. Constituents: A volatile oil and celastrin. 
Cirsium arvense. Constituents: A volatile alkaloid and the glucoside enicin. 
Cornus alternifolia. Constituents: Cornine. 
Cypripedium hirsutum. Constituents: A volatile oil and the glucosidal resinoid, 
cypripedin. 
Diervilla lonicera. Constituents: Alkaloid believed to be narceine; a glucoside 
similar to fraxina in D. lutea. 
Dirca palustris. Constituents: Undetermined. 
Epilobium augustifolium. Constituents: Undetermined. 
Brigeron canadensis, Constituents: A volatile oil. 
Bupatorium maculatum. Constituents: Undetermined. 
Fragaria virginiana. Constituents: The glucoside fragarianin. 
Gaultheria procumbens. Constituents: A volatile oil containing the terpene 
gaultherilene and methyl salicylate. 
Geranium maculatum. Constituents: Tannin, 
Heracleum lanatum. Constituents: A volatile oil. 
Koellia virginiana. Constituents: (?) 
Lactuca canadensis, Constituents: The bitter principle lactucin, lactucie acid, 
lactucopicrin, lactucerin, and a volatile oil. 
Lari« laricina, Constituents: A volatile oil which contains pinene, larixine, and 
the ester bornylacetate. 
Ledum groenlandicum. Constituents: The glucoside ericolin. 
Leptandra virginica. Constituents: The glucoside leptandrin. 
Nepeta cataria. Constituents: A volatile oil. 
Nymphaea americana. Constituents: Undetermined. 
Osmorrhiza claytoni. The related species QO. longistylis yields a volatile oil 
composed chiefly of anethol. 
Ostrya virginiana. Constituents: Undetermined. 
Plantago major. Constituents: Not well known. 
Populus balsamifera. Constituents: Chrysin, tetrochrysin, salicin, populin, 
resin and a volatile oil. 
Populus tremuloides. Constituents: See P. balsamifera. 
Potentilla palustris. Constituents: A bitter principle, mucilage and tannins. 
Prunus serotina. Constituents: A glucoside. 
Prunus virginiana. Constituents: A glucoside. 
Psoralea argophylla. Constituents: (7?) 
Pulsatilla hirsutissima. Constituents: A volatile oil containing a camphor. 
Quercus rubra. Constituents: Tannic acid, a terpene, resin and quercitrin. 
Rhus glabra, Constituents: Tannic acid and gallic acid. 
Rubus strigosus. Constituents of fruit: Citric and malic acids. 
Rudbeckia laciniata. Constituents: (7?) 
