810 SPONDIACEAE 
I. HinTAE 
Foliage more or less glaucous or pale. 
MED. and drupes usually pubescent with soft very 
t 
Leaflets with. acuminate, sharply serrate blades 1. R. eo 
"res with crenate-serrate blades, rounded at the apex. 2. R. Ashei 
panicles m and drupes bristly pubescent with long 
Du ps hair 3. R. hirta. 
Foliage. ‘densely i ee with brownish hairs, not glaucous. 4. R. Michauaii. 
I. LEUCANTHAE 
Bark of the trunk gray, dull: petals ou 2.5 mm. long: anthers 
broadly ellipsoid, scarcely 1m long. 
Blades of the leaflets aE, and usually acute: leaf-. 
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A . R. Copallinum. 
Blades of the leaflets obtuse: leaf-rachis narrowly winged. . R. obtusifolia. 
Bark of the trunk red, shining: aH about 3 mm. long: 
anthers linear-ellipsoid, fully 1 mm. lon 
-1 
. R. leucantha. 
R. glabra L. rub or tree a 6 m. tall, leaflets 11-31; blades 
2s Or pe ( that of the terminal E often ovate), 3 3-8 cm. long: petals 
ut 2 mm. long: drupe velvety, the ston 
Mes a ee obe e E. 
UM RED-SUMAC.) —Dry rich wre and 
thickets, various provinces, Fla. to La., 
Minn., and N. S.—3Spr.- —-The ange- 
colored and green-strea ked er eu is 
ii -grained, -a and brittle. The fruit- 
ing panicles are erect. 
2. R. hei Small. Shrub with glaucous 
stems: leaflets 13-17; blades elliptic to oval- 
iptie, : he drupe 
Not Mill. ]--Sandy soil, Piedmont, 
il 
(L.) Sudw. Shrub, or tre 
sus "E m. tall, with pubescent foli- 
age: leaflets 11-31; blades bacs to lanceolate, or that of the terminal one 
ovate-lanceolate, 4-15 e m pet E about 3 mm. long: p L1 E 
stone 3-3.5 mm. long. hus typhina L.]—(ST AGHORN- -SUMAC. 
VELVET- ds 2) Roadeides and hillside- "o various provin a La. 
S. . B.—Spr.-sum.—The fruits of this and of pee de 
are used to lus A ‘acid drink, similar to lemonade. 
. Michauxii Sarg. Shrub with densely pubescent stems: leaflets 9-15; 
blades pie oval, or elliptie-ovate (that of the M. one often ovate), 
—10 em. long: stone of the drupe about 3.5 mm. long. hus pumila Michx. 
Na Meerb. ]—(FArs SE POISON-SUMAC.)—Sandy. soil, Piedmont, Ga. to N. C.— 
Spr. 
5. R. Copallinum L. Shrub, or tree becoming 10 m. tall and 2.5 dm. in diam- 
eter, the bark thick, scaly: leafiets ge blades iwi to elliptic-lanceolate or 
m. long.—(DwARF- 
sometimes oval, 3-10 em. long: stone the 
S OUNTAIN-SUMAC. Pus SU S MAC . _Saroorm sunao.) 
—Dry, often stony soil, and hillsides, various provinces, Fla. to Tex., Minn., an 
—Sum He 
—THie heart ond light- -brown streaked with green, is CET ed. 
light and 1 soft. The fruiting panicles are drooping. 
an R. O Small. Shrub: ae or blades ovate to elliptie, i 
ong: petals about 2.5 mm. long: of the drupe e 3.5-4 mm. lo 
Pinelands, Pen E —sum. or a year s 
