PKNTANDRIA TRIGITNIA. RhuS. 20S 



5. R. arboresceiis, glaberrimura ; foliis pinnatis multijugis, Vernix. 



foliolis ovalibus abrupte acnminatis integris, panicula 

 laxa, iloribus dioicis, fructibus glabris. — IVilld. sp. 

 pi. 1. p. \47g. 



Icon. Dill. eltk. t. 2g2. f. 377, Pliik. aim. t. 145. f. 1. 

 In low copses : Canada to Carolina, ^2 . July. v. v. 



Berries white. 

 <P. R. ramis punctatis, foliis pinnatis multijugis (5 — 6), Copallinum, 



foliolis ovali-lancsolatis integerrimis supra lucidis, pa- 



nicula foliosa, racemis sessilibus, floribus dioicis, — 



IVilld. sp.pl. 1. p. 14S0, 

 Icon. Hort. schcenbr. 341. Pbk. aim. t. 56. f. I. 

 In dry tields and woods, particularly sandy .soil : New 



Jersey to Carolina. ]-> . July. v. v. Berries red. 



The leaves of this species are used as tobacco by the 



Indians of the Miss uri and Mississippi. 



7. R. radicans; foliis ternatis, foliolis ventrieoso-ovalibus Toxiro/len- 



integris aut sinuate-crenatis, racemis rameis at axilla- dro?i. 



ribus sessilibus dioicis. — IVilld. sp. pi. 1, p. 1481. 



Mich.fl.amer. 1. p. 183, 

 a. R. radicante-scandeiTS ; foliolis amplis integris seu rariter vulgave, 



dentatis, Midi. I. c. 

 R. radicans. IVilid. sp. pi. 1, p. 1481, 

 fi. R. erectum, humile ; foliolis varie sinuato-lobatis, sub quercifolium. 



floratione tomentosis. Mich. I. c. 

 y. R. foliolis oblongo-ovalibus longe acuminatis subrhom- microcarpon. 



boideis, fructu multo minore. Mich. I. r. 

 Common in all wooJs, tields, and along fences : Canada 



to Geortiia. fj . .lune, July. v. v. Berries white; 



known by the name Poison-oak or Poisfin-vine. There 



is no doubt but R. radicans and Toxicodendron are 



only local varieties. 



8. R, fruticulosum, amentaceum, nndillorum ; foliis terna- aromalicwn- 



tis, foliolis rhombeo-ovalitnis dentatis subtus pubes- 

 centibus, floribus dioicis. — Willd.sp.pl. \.p. 1482. 



R. canadense. Marsh, arb. 129. 



Icon. Turpin in annal. du mus. hist. nat. 5. p. 445. t. 30. 



In rocky situations, about springs : Pansy Ivania, Caroli- 

 na, and Kentucky. V^ , May, June. v. v. Flowers 

 yellow, in catkins, which give it quite a different ap- 

 pearance from the habitus of the genus. Myrica tri- 

 foliata Hort. is the same with R. suavenlens Ait. and 

 is nothing more than the male plant of this species, 

 berries brown. 



