PENTANDRIA. TRIGYNIA. 53 



trifoliatum. MuliL Cat. 

 Thapsia trifolia. L. 

 On the hills near Hoboken. 1*. May — July, yellow. 



2 intergerrimum. L. Fields and meadows. New-Jersey- 



%. June, yellow. 



151. Thaspium. Nutt 



aureum. Nutt. 

 Smyrnium aureum. L. 

 On rocky hills. H. June, yellow. 



TRIGYNIA. 



152. Rhus. L. Sumach. 



1 typhinum. L. ( Stag's horn. ) In rocky hilly situations. 

 k . June, greenish. 



3 glabrum. L. (Common. J In hedges, thickets, &c. lj. 



July, greenish. 



3 copallinum. h- (Mountain sumach. J In dry woods. Tj . 



July, greenish. 



4 vernix. L- fSrvamp sumach. Poison elder. J Swamps 



and wet woods, h . June, greenish. 



5 Toxicodendron. L. (Poison oak. J In woods, h • June 



— July. 

 1$. radicals — vulgare. Mx, 

 R. ratlirans. L. 

 Climbing on trees, in woods, h . June, greenish, 



153. Viburnum. L. 



1 prunifolium. L. (Black haw.) In woods and hedges. 



\ . May — J une. white. 



2 Lcntago. L. In woods. N. Jersey, h . May. white, 



3 nudum. L. In swamps. J}. June, white. 



4 dentatum. L. (Arrow wood. J In woods and along 



ditches, h . June — July, white. 



5 pubescens. Ph. 



V. dentatum, pubescens. Ait. 

 On rocky hills, i? . June — July, white. 



6 acerifolium. Willd. In woods aud copses, h . May — 



June. 



7 Lantanoidcs. Mx. (Hobble bush.) Rocky woods. Man- 



hattanville, &c. h- June, white. 



154. Sambucus. L. Elder. 



Canadensis. L. In hedges and swamps. J} . May — Ju- 

 ly, white. 



155. Staphylea. L. Bladder nut. 



trifolia. L. In rocky shady woods, h • May— June, 

 white. 



156. Sarothra. Lmk. Nit-weed. 



Gcntianoides. L. ( Ground jrine.) 

 Hypericoides. Nutt. 

 Hypericum Sarothra. Mx. 

 In dry sandy Acids. ©. June — Aug. yellow. 



E 



