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Agropyrum repens (Linn.) Beauv. Couch grass, rhizome. 



Aralia racemosa Linn. Spikenard, root. 



Arctium Lappa Linn, and some other species of Arctium, Burdock, 



root and seed. 

 Asarum Canadense Linn. Canada snake root, rhizome. 

 Asclepias incarnate, Linn. White Indian hemp, root. 

 Beberis vulgaris Linn. Barberry, bark. 

 Castanea dentata (Marsh) Sudworth. Chestnut, leaves. 

 Caulophllum thalictroides (Linn.) Michx. Blue cohosh, rhizome and 



rootlets. 

 Ceanothus Americanus Linn. Jersey tea, leaves. 

 Chelidonium ma jus Linn. Garden celandine. 

 Cornus circinata L. Heritier. Green osier, bark. 

 Cornus florida Linn. Dogwood, bark. 

 Cypripedium pidjescens Swartz and C. parviflorum Salisbury. Ladies' 



Slipper, rhizome and rootlets. 

 Epilobium angustifolium Linn. Willow herb, herb. 

 Eupatorium perfoliatum Linn. Boneset, leaves and inflorescence. 

 Eupatorium purpureum Linn. Queen of the meadow, rhizome and 



rootlets. 

 Galium Aparine Linn. Cleavers, herb. 

 Helianthus annuus Linn. Sunflower seed. 

 Hepatica triloba Chaix. Liverwort, herb. 

 Inula Helenium Linn. Elecampane, rhizome and rootlets. 

 Heuchera Americana Linn. Alum root, rhizome. 

 *Kalmia angustifolia Linn. Sheep laurel, leaves. 

 Liriodendron Tulipifera Linn. Tulip tree, younger bark. 

 Marrubium vulgare Linn. Horehound, herb. 

 Matricaria Chamomilla Linn. German chamomile, flowers. 

 Melissa officinalis Linn. Lemon balm, herb. 



Penthorum sedoides Linn. Virginia stonecrop, leaves and inflorescence. 

 Phoradendron flavescens (Pursh.) Nutt. Mistletoe, leaves and branches. 

 Phytolacca decandra Linn. Poke berries. 

 Polygonatum biflorum (Walt.) Ell. Solomon's seal, rhizome. 

 Polygonum hydropiper Linn. P. hydropiperoides Mich, and P. punc- 



i a turn Ell. Water pepper, herb. 

 Populus Balsamifera eandicans (Ait.) Gray. Balm Gilead, buds. 

 Ptelea trifoliata Linn. Wafer ash, root bark. 



