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Lyeopersicum esculentum Miller. Tomato, herb. 

 Lycopus Virginicus'Linn. Bugleweed, herb. 

 Nepeta Cataria Linn. Catnep, herb. 

 CEnonthera biennis Linn. Evening primrose, herb. 

 *CEnanthe Phellandrium Lam. Water fennel, seed and fruit. 

 *Preoiiia officinalis Linn. Peony, rhizome. 

 Panax quinquefolium Linn. Ginseng, root. 



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

 Primus Persicaria (Linn.) Seibold and Zuccarina. Peach leaves. 

 *Ricinus communis Linn. Castor leaves. 

 Salix nigra, Marsh. Black willow, buds. 

 Solanum Carolinense Linn. Horse-nettle, berries and root. 

 Solidago Canadensis Linn. Solidago Canadensis, leaves and in- 

 florescence. 

 Urtica dioica Linn. Nettle root. 

 Verbascum Thapsus Linn. Mullein leaves. 

 Viburnum Prunifolium Linn. Black haw, bark. 



Chemical constituents regarded well known; physiological action 

 uninvestigated: 



Achillea Millefolium Linn. Yarrow, leaves and inflorescence. 

 Agropyrum graveolens Linn. Celery seed. 

 Asclepias Syriaca Linn. Silkweed, root. 

 Asparagus officinalis 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, herb. 

 Hydrangea arborescens Linn. Hydrangea, roots. 

 Hypericum perforatum Linn. Johnswort, herb. 

 Mitchella repens Linn. Squaw vine, herb. 

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

 Solidago odora Aiton. 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. 



