FRANGULACEAE 833 
serted: anthers emarginate. dicia m separating into 3 earpels.—A bout 55 
speeies, North American.—RED-RO 
enr odes toothed, membranous or nearly so. 
xis shrubs: leaves deciduous, 
peduncle elongate. . 
Leaves 3—10 e long: corolla about 5 mm. wide. 1. C. americanus. 
Leaves 1-3 c long: .corolla about 4 mm. wide. 2. C. intermedius. 
Common peduncle 'abbrevi ated. 
Twigs and branches viscid. -puberulent : lower surface 
of ‘the leaf-blades glabrous or with few scattered 9 
airs. 3. C. ovatus! 
Twigs and branches copiously pubescent : lower sur- 
face of the leaf-blades closely and permanently 
ent. 
Pus ubese 4. C. pubes 
w dec nibent habi leaves 5-10 mm. long, persistent. 5. C. serpyllifolius. 
E pere fleshy. 6. C. microphyllus. 
. C. americanus L. Shrub 2-9 dm. tall: leaf-blades ovate to ovate-lanceolate 
or a orbicular-ovate, p serrate: sepals about 1.5 mm. long: petals 
about 2 mm. long: fru m broad. , 
OO Naw JERSEY EA aor. RED- 
K.)—Dry woods and hillsides, various 
P Fla. to an., and Me.— 
Spr.-sum.—The lea aves were used as a t ea 
T titute in colonial times. The root is 
sed medicinally. 
2. C. intermedius Pursh. Shrub 3-10 dm 
tall: ieat blades ovate to elliptic-ovate, or 
eel D eu Mas sepals d 
mm. pet about 1.5 mm. long: 
fn 1 mu bubo O Rep D-ROOT. a 
lands and woods, Coastal d and occa- 
sionally adj. provinces, Fla. to La. , Tenn., 
and Ga.—Spr. 
3. C. ovatus Desf. Shrub 2-6 dm. tall: leaf-blades thinnish, elliptic, oval, or 
ovate, 1.5-6 em. long, somewhat veiny: sepals ovate, about 1. 5 mm. long: petals 
about 2 mm. long.—Sandy woods, various provinces, Fla. to Tex. Minn., Vt., 
a.—Spr. 
C. pubescens (T. & G.) Rydb. Shrub similar to C. ovatus in habit: leaf- 
blades relatively thick, ee to narrowly elliptic, usually prominently 
veined: sepals deltoid, about 1 . long: petals about 2 mm. long. —Dry soil, 
various provinces, rarely Coastal Pl Plain, Ga. to Tex., Mich. and Va.—Spr. 
5. C. serpyllifolius Nutt. Shrub with di ffuse or decumbent, very slender or 
n Eis. leaf- e E ovate-elliptie, Serrulate strigose be- 
ath: sepals mostly 1 ong a tuse: pe etals about 1.5 mm. long.— 
Pinelands Coastal Plain, "Fla. and s uin —Rare 
6. C. microphyllus Michx. Plant 3-6 dm. tall, diffuse: leaf-blades suborbicu- 
lar, oval, or i ie, P: mm. long: sepals acute or abru uptly mane Pos etals 
abou t 1.5m mm. lon S brown: fruit depressed, 4-5 mm. wide. y pine- 
lands and PRU. eu Plain, Fla., Ala., and Ga. —Spr. 
"^T 
à L. C. Rich. Shrubs or trees. Leaves alternate: blades 
nine or toothed, Somer tes 3-nerved at the base. Flowers perfect. Sepals 5, 
spreading, often keeled. Petals 5, folded around the stamens, clawless. Sta- 
53 
