32 



Ampelopsis quinquefolia Michx. American ivy, bark and small twigs. 



Aralia nudicaulis Linn. American sarsaparilla, root. 



Arena sativa Linn. Avena sativa, beads. 



Calendula officinalis Linn. Calendula flowers and calendula berb. 



Capsella Bursa-Pastoris Moencb. Sbepberd's purse, berb. 



Celastrus scandens Linn. False bittersweet, bark. 



Cbelone glabra Linn. Bahnony, herb. 



Collinsonia Canadensis Linn. Stoneroot, rhizome. 



Epiphegus Virginiana (Linn.) Bart. Beech drops, herb. 



Gnaphalium obtusifolium Linn. Life everlasting, herb. 



Juglans nigra Linn. Black walnut hulls, epicarp. 



Lacinaria spicata (Linn.) Kuntze. Button snake I'oot, tuber. 



Nepeta Glechoma Benth. Ground ivy, herb. 



Ostrya Virginiana (Mill) Willd. Ironwood, heart wood. 



Pimpinella Saxifraga Linn. Saxifrage, root. 



Plantago major Linn. Plantain leaves. 



Polymnia Uvedalia Liim. Bearsfoot, root. 



Scutellaria lateriflora Linn. Scullcap, herb. 



Spirea tomentosa Linn. Hard hack, leaves, etc. 



Symplocarpus foetidus Nutt. Skunk cabbage, root stock. 



Trillium erectum Linn. Bethroot, rhizome. 



Viola pedata Linn. Violet herb, leaves, etc. 



Chemical constituents undertermined; physiological action not sys- 

 tematically investigated or well understood: 



Trifolimn repens Linn. White clover, inflorescence. 

 Xanthoxylum Americanum Miller. Prickly ash, berries. 



Chemical constituents undetermined; physiological action uninvesti- 

 gated: 



iEsculus glabra Willd. Buckeye, bark. 

 Aralia hispida Vent. Dwarf alder, root. 

 Betonica officinalis Linn. Wood betony, herb. 

 Crataegus Oxycantha Linn. Hawthorn, "berries." 

 Gentiana ochroleuca Froel. Sampson snakeroot, root. 

 Gentiana quinquefolia Linn. Five-flowered gentian, herb. 

 Impatiens aurera Muhl. and I. biflora. Welt., herb. 



