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Lycopersic-um esc-nlontniii ]\Iiller. Tomato, herb. 

 Lycopus Virgiiiiens Linn. Biigleweed, lierli. 

 Nepeta Cataria Linn. Catnep, herb. 

 CEnonthera biennis Linn. Evening primrose, herb. 

 *CEnanthe PheUandriuni Lam. "Water fennel, seed and fruit. 

 *Pi3eonia officinalis Linn. Peony, rhizome. 

 Panax quinquefolium Linn. Ginseng, root. 



Populus tremuloides Michx. and P. alba. Linn. White poplar, bark. 

 Prunus Persicaria (Linn.) Seibold and Znccarina. Peach leaves. 

 *Ricinus communis Linn. Castor leaves. 

 Salix nigra. Marsh. Black willow, buds. 

 Solanum Carolinen.se Linn. Horse-nettle, Ijerries and root. 

 Solidago Canadensis Linn. Solidago Canadensis, leaves an<l in- 

 florescence. 

 Urtica dioica Linn. Nettle root. 

 Verbascum Thapsus Linn. Mullein leaves. 

 Viburnum Prunifolium Linn. Black haw. liark. 



Chemical constituents regarded well knoAvn; phy.siological action 

 uninvestigated: 



Achillea Millefolium Linn. Yarrow, leaves and inflorescence. 

 Agropyrum graveolens Linn. Celery seed. 

 Asclepias Syriaca Linn. Silkweed, root. 

 Aspai'agus ofiicinalis Linn. Asparagus, root. 

 'Carthamnus tinctorius Willd. American saffron, flowers. 

 Chrysanthemum Parthenium (Linn.) Pers. Feverfew, herb. 

 Dicentra Canadensis D. C. Turkey corn, tubers. 

 Equisetum hyemale Linn. Equisetum hyemale, herl). 

 Hydrangea arborescens Linn. Hydrangea, roots. 

 Hypericum perforatum Linn. Johnswort, herb. 

 Mitchella repens Linn. Squaw vine, herb. 

 Sabbatia angularis (Linn.) Pursh. Centaury, herb. 

 Solidago odora Alton. Golden rod. leaves and inflorescence. 



Chemical constituents but partially determined: physiological action 

 uninvestigated: 



Adiantum pedatum Linn. Maiden hair fern, frond. 

 Agrimonia Eupatoria Walt. Agrimony, herb. 



