PENTANDRIA. TRIG Y N1 A. K'fauS. 
205 
5 . R. arborescens, glaberrimum ; foliis pinnatis multijugis, Pernix. 
foliolis ovalibus abrupte acuminatis integris, panicula 
laxa, floribus dioicis, fructibus glabris.—* -Willd. sp. 
pl.l.p. 1479- 
Icon. Dill.eUh. t. 2g2. f 377* Ptuk. aim. t. 145. f. 1 . 
In low copses: Canada to Carolina, fj-. July. v.v. 
Berries white. 
R. ramis punctatis, foliis pinnatis multijugis (5—6) , 
foliolis ovali-lancaolatis integerrimis supra lucidis, pa- 
nicula foliosa, racemis sessilibus/ floribus dioicis. — - 
Willd sp. pi. l. p. 1480. 
Icon, ffort. schcenbr . 341. Pluh. aim . t. 56. f. 1. 
In dry fields and woods, particularly sandy soil : New 
Jersey to Carolina. Pj . July, v , v, 1 Berries red. 
The leaves of this species are used as tobacco by the 
Indians of the Missouri and Mississippi. 
Copallinum . 
7 . R. radicans ; foliis ternatis, foliolis ventricoso-ovalibus Toxicoden * 
integris aut sinuate-crenatis, racemis rameis et axilla- dron. 
ribus sessilibus dioicis. — Willd. sp. pl. 1 . p. 1481 . 
Midi. Jl. amer. 1. p. 183. 
a. R. radicante-scandens ; foliolis amplis integris seu rariter vulgare, 
dentatis. Mich. I. c. 
R. radicans Willd. sp. pl. 1 . p. 1481. 
fi. R. erectum, humile ; foliolis varie sinuato-lobatis, sub quercifolium. 
Roratione tomentosis. Mich. I. c. 
y. R. foliolis oblongo-ovalibus longe acuminatis subrhom- microcarpon, 
boideis, fructu multo minore Midi. L c. 
Common in all woods, fields, and along fences : Canada 
to Georgia. Pj . June, July. v.v. Berries white; 
known by the name Poison-oak or Poison-vine. There 
is no doubt but R . radicans and Toxicodendron are 
only local varieties. 
8 . R. fruticulosum, amentaceum, nudiflorum ; foliis terna- aromaticum » 
tis, foliolis rhombeo-ovalibus dentatis subtus pubes- 
centibus, floribus dioicis. — Willd. sp. pl. 1 . p. 1482. 
R. canadense. Marsh, arb. 12 9 . 
Jeon. Turbin in annat. di( mus hist. nat. 5. p . 445. t. 30. 
In rocky situations, about sjprings : Pensylvania, Caroli- 
na, and Kentucky. . May, June. v. v. Flowers 
yellow, in catkins, which g>ve it quite a different ap- 
pearance from the habitus of the genus. Myrica tri- 
foliata Hort. is the same with R suaveolens Ait. and 
is nothing more than the male plant of this species. 
Berries brown. 
