29 



APOCYNACE^E. 



Apocynum, Tourn. androssemifolium, L. Dogs-bane. Gen. 

 cannabinum, L. Indian Hemp. Gen. 



ASCLEPIADACEJS. 



Asclepias, L. Cornuti, Dec. Common Milkweed. Gen. 



Sullivantii, Engel. Cent., Sullivant. 



phytolaccoides, Pursh. Poke-leaved Milkweed. Gen. 



purpurascens, L. Purple Milkweed. Gen. 



quadrifolia, Jacq. Gen. 



verticillata, L. Wborl-leaved Asclepias. Gen. 



incarnata, L. Hose-colored Milkweed. Gen. 



tuberosa, L. Butterfly Weed. Milkweed. Gen. 

 Acerates, Ell. viridiflora, Ell. Green Milkweed. Gen. 



longifolia, Ell. Long-leaved Acerates. Gen. 

 Enslenia, Nutt, albida, Nutt. S. 

 Gonolobus, Michx. macrophyllus, Michx. S. and W. 



OLEACE.E. 



Ceionanthus, L. Virginica, L. Fringe Tree. S. 

 Fraxinus, Tourn. Americana L. White Ash. Gen. 



viridis, Micbx. Green Asb. Gen. 



sambucifolia, Lam. Black or Water Asb. Gen. 



quadrangulata, Micbx. Blue Asb. Gen. 



pubescens, Lam. Red Asb. Summit Co. 

 Ligustrum, Tourn. vulgare, L. Privet. Introduced. 



ARISTOLOCHIACE^E. 



Aristolochia, Tourn. Serpentaria, L. Virginia Snake-root. Gen. 

 Asarum, Tourn. Canadense, L. Wild Ginger. Gen. 



CHENOPODIACEiE. 



Chenopodium, L. album, L. Hog- weed. Indigenous gen. 



urbicum, L. Introduced gen. 



bybridum, L. Tall Goose-foot. Introduced gen. 



botrys, L. Oak of Jerusalem. Introduced gen. 



ambrosioides, L. Ambrosia Goose-foot. Introduced gen. 



antbelminticum, L. Worm Seed. Gen. 

 Blitum, L. capitatum, L. Strawberry [.lite. N. 



AMARANTACE^E. 



Acnida, L. cannabina, L. Water Hemp. Cent, and S. 



Amaranths, Tourn. bypocbondriacus, L. Prince's Feather. Introduced gen. 



bybridus, L. Hybrid Amaranth. Int. Gen. 



retroflexus, L. Int. Gen. 



albus, L. White Cock's Comb. Int. Gen. 



spinosus, L. Spiny Amaranth. Int. S. 

 Euxolus, Raf. pumilus, Raf. False Amaranth. Brownhelm, Kellogg. 

 Iresine, P. Br. celosioides, L. S. 



