108 ANNUAL REPORT. 



362. alba, Muhl.; Whitish Gentian. 



363. Andrewsii, Griseb. ; Closed Gentian, 



364. puberula, Michx.; Blue Gentian. 



APOCYNACEiE. . 



(Dogbane Family.) 

 Apocynum 



365. cannabinum, L.; Indian Hemp. 



366. anclrcsaemifolium, L. ; SptYading Dogbane. 



ASCLEPIADACEiE. 



(MrLKWEED Family.) 

 Asclepias 



367. Cornuti, Decaisne; Common Milkweed. 



368. ovalifolia, Decaisne; Milkweed. 



369. phytolaccoides, PrusL.; Poke Milkweed. 



370. purpurascens, L.; Purple Milkweed. 

 871. incarnata, L.; Swamp Milkweed. 



372. tuberosa, L.; Butterfly weed. 



Acerates 



373. viridiflora, Ell.; Green Milkweed. 



OLEACE^. 



(Olive Family.) 

 Fraxinus 



374. Americana, L ; White Ash, 



375. pubescens, Lam.; Red Ash, 



376. sambucifolia, Lam, ; Black Ash. 



ARISTOLOCHIACE^. 



(BiRTHWORT Family.) 

 Asarum 



877. Canadense, L.; Wild Ginger. 

 Aristolochia ^ 



378. Sipho, L'Her.; Pipe-Vine. 



