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PHYSICAL GEOGRAPHY. 



Melampyrum Americanum. 



Cow-wheat. * ; fM 



VERVAIN FAMILY. 



Verbena hastata. Blue vervain. . *A 

 V. urticifolia. White vervain. . . A 



Phryma Leptostachya. 

 Claremont. 



MINT FAMILY. 



Teucrium Canadense. Wood Sage. 



Trichostema dichotomum. False Pen- 

 nyroyal. . . . . A 



Mentha viridis. Spearmint. 



M. piperita. Peppermint. 



M. sati-va. 



M. Canadensis. Wild mint. . . * 



Lycopus Virginicus. Water Horehound. * 



L. Europaeus. 



do. var. sinuatus. . . . * 



Pycnanthemum incanum. 

 Claremont. 



P. lanceolatum. Mountain Mint. 

 Origanum vulgare. Wild Marjoram. 

 Calamintha Clinopodium. Basil. 



Hedeoma pulegioides. American Pen- 

 nyroyal *A 



Monardadidyma. j gswego Tea. 

 M. punctata. Horse-mint. 



Lophanthus nepetoides. 



L. scrophulariaefolius. Giant Hyssop. 



Nepeta Cataria. Catnip. 

 N. Glechoma. Gill. 



Brunella vulgaris. Self-heal. . . * 



Scutellaria galericulata. 



S. lateriflora. Skullcap. ... * 



Marrubium vulgare. Horehound. 

 Galeopsis Tetrahit. Hemp-Nettle. . * 

 Stachys palustris ; var. aspera. 

 Leonurus Cardiaca. Motherwort. * 



Lamium amplexicaiile. Dead-nettle. 



BORRAGE FAMILY. 



Symphytum officinale. Comfrey. 

 Lithospermum officinale. Cromwell. 



Myosotis palustris ; var. laxa. 



Forget-me-not. 



Echinospermum Lappula. 



Cynoglossum officinale. Hounds-tongue. 

 C. Morisoni. 



WATERLEAF FAMILY. 



Hydrophyllum Virginicum. Waterleaf. 



POLEMONIUM FAMILY. 



Diapensia Lapponica. . . . *M 



CONVOLVULUS FAMILY. 



Calystegia sepium A 



C. spithamasa. Bracted Bindweed. . A 



Cuscuta Epilinum. 



C.Gronovii. Dodder. . . . * 



NIGHTSHADE FAMILY. 



Solanum Dulcamara. Bittersweet. 

 S. nigrum. Nightshade. 



Physalis viscosa. Ground Cherry. 

 Nicandra physaloides. Apple of Peru. 

 Hyoscyamus niger. Henbane. 

 Datura Stramonium. Thorn-apple. 



GENTIAN FAMILY. 



Gentiana crinita. Fringed Gentian. 

 G. Andrewsii. Closed Gentian. 

 G. Saponaria ; var. linearis. 



Menyanthes trifoliata. Buckbean. 



Limnanthemum lacunosum. 



Floating Heart. 



DOGBANE FAMILY. 



Apocynum androsasmifolium. Dogbane. * 

 A. cannabinum. Indian Hemp. 



MILKWEED FAMILY. 



Asclepias Cornuti. Milkweed. . . * 



A. phytolaccoides * 



A. purpurascens. 



