74 RHAMNACEJX, (BUCKTHORN FAMILY.) 
3-seeded. (Rhamnus Carolinianus, Walt.) — Banks of rivers, Florida to North 
Carolina and westward. June. — A shrub or small tree. Leaves 3' - 4’ long, 
Li 
6. CEANOTHUS, L. Jersey TEA. 
Calyx colored, 5-cleft, with the tube adnate to the ovary and persistent, the lobes 
connivent, deciduous. Petals 5, longer than the calyx, hooded, long-clawed. 
Stamens exserted. Style 3-parted. Drupe dry, composed of three 2-valved 
1-seeded nutlets. Embryo in fleshy albumen. Cotyledons flat. — Shrubby plants, 
with alternate serrulate minutely stipulate 3-ribbed leaves, and small flowers in 
lateral and terminal corymbs or panicles, 
1. C. Americanus, L. Branches pubescent ; leaves deciduous, variable 
in size, ovate or ovate-lanceolate, acute or obtuse, sharply serrate, more or less ; 
pubescent, petioled ; peduncles elongated, mostly 2-leaved above. — Dry woods, 
Florida to Mississippi, and northward. July.— Plant shrubby, 19— 2° high. 
Leaves 3-ribbed, varying from 4! (C. intermedius, Ell.) to 3! long, often nearly 
smooth (C. herbaceus, Raf.). Flowers and pedicels white. 
2. C. microphyllus, Michx. Stem erect, diffusely iatis branched ; 
leaves perennial, small, obovate, slightly crenate, 3-ribbed, glossy above, with 
scattered hairs beneath ; those in the axils clustered; corymbs small, terminal. 
— Dry barrens, Florida and Georgia, and westward. April and May. — Shrub 
19-29 high, yellowish. Leaves 2”-3" long.  Pedicels and flowers white. 
Drupe black. 
3. C. serpyllifolius, Nutt. Decumbent, diffusely branched ; branches | 
filiform ; leaves very small, ovate-elliptical, serrulate, obtuse, the lower surface, 
as well as the petioles, strigose ; peduncles axillary; flowers few, in a simple 
corymbose head. — Near St. Mary's, Georgia. — Leaves 3!!-—5/ long. Pe- 
duncles 12 -15-flowered. 
7. COLUBRINA, Rich. 
Calyx herbaceous, with spreading lobes. Nutlets opening at the apex and 
down the inner angle. Embryo in thin albumen. Otherwise chiefly as in Ce- 
- anothus. — Tropical shrubs, with alternate parallel-veined leaves, and small 
flowers in close axillary cymes. — 
1. C. Americana, Nutt. Leaves coriaceous, ovate-oblong, entire, the 
lower surface, as also the branches and calyx, covered with a dense rust-colored 
pubescence ; cyme small, shorter than the petiole ; petals spatulate, emarginate, - 
shorter than the calyx ; drupe 3-lobed. — South Florida. — Leaves ye long. | 
Drupe 4" in diameter. 
8. GOUANTA, Jacquin. CHAW-STICK. 
Calyx 5-cleft, partly adnate to the ovary, the lobes spreading. Petals "E 2: 
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