ANACARDIACEX. (CASHEW FAMILY.) s D 
* Flowers polygamous, in a close terminal panicle : drupe red, hairy : leaves pinnate. 
(Not poisonous.) 
1. R. typhina, L. Branches, petioles, and drupes villous ; leaflets 17 —21, 
lanceolate, acuminate, serrate, smooth, pale beneath. — Dry hill-sides, Mississippi 
to North Carolina, and northward. June and July. — A shrub or small tree. 
2. R. glabra, L. Smooth and glaucous; leaflets 17-31, oblong-lanceo- 
late, serrate, acuminate, white beneath.— Open woods in dry rich soil, West 
Florida to Mississippi, and northward. July. — A shrub 6°-10° high. Peti- 
oles terete. 
3. R. eopallina, L. (Suwacm) Branches and wing-margined petioles 
tomentose ; leaflets 9 — 21, lanceolate or ovate-lanceolate, acute or obtuse, mostly 
entire, smooth above, paler and downy beneath ; panicle often large and spread- 
ing. — Margins of fields and open woods, Florida to Mississippi, and northward. 
July and August. — A shrub or small tree. 
4. R. pumila, Michx. Low, procumbent ; branches and pasú tomen- 
tose ; leaflets 11 — 13, oval or oblong, acute, coarsely serrate, pale and tomentose 
beneath. — Pine barrens, Georgia to North Carolina. — Branches 1° high. 
* * Flowers diæcious, in loose axillary panicles: drupe whitish, smooth : leaves pin- 
nate and trifoliolate. — (Juice poisonous.) 
5. R. venenata, DC. (Porson ELDER.) Smooth; leaves pinnate; leaf- 
lets 7-13, ovate or oblong, abruptly acute or acuminate, entire ; panicles long- 
peduncled, narrow, erect. (R. Vernix, Z.)— Swamps, Florida to Mississippi, 
and northward. July.— A shrub 8°~12° high. 
6. R. Toxicodendron, L. (Porson Oax. Porson Ivy.) Branches 
and petioles smooth ; leaves trifoliolate ; leaflets ovate or oblong-ovate ; panicle 
small, spreading. 
Var. 1. quercifolium, Michx. Stems low, erect; leaflets mostly vari- 
ously lobed. — Dry pine barrens. 
Var. 2. radicans, Torr. Stems climbing by rootlets ; leaflets toothed or 
entire, rarely lobed, more or less pubescent. — Swamps, Florida to Mississippi, 
and northward. July. 
**# t Flowers diæcious, in loose panicles : drupe oblong, smooth, scarlet : mut char- 
taceous : seeds arillate: leaves pinnate. 
7. R. Metopium, L. Smooth; leaflets 3- 7, coriaceous, aii, 
ovate or elliptical, acuminate, entire; panicle narrow, as long as the leaves ; 
calyx-lobes yellowish-white; petals and stamens 5. — South Florida.— A tree 
15°-20° high. —— 
* * * * Flowers diacious, in short bracted spikes, appearing with the leaves : ome 
red, hairy : leaves trifoliolate. — . D. 
.& R. aromatica, Ait. Stem low, smooth ; leaflets ovate, or the termi 5 
