APOCYNACEJE. (DOGBANE FAMILY.) 359 
mum. Smooth throughout; leaves narrower, often acute at each end. — Dry or 
damp soil, Florida, and northward. July and Aug.— Stem 2°-3°high. Leaves 
2'-3'long. Corolla 2" long. : 
2. A. androssmifolium, L. Stem smooth, with spreading branches ; 
leaves oval or ovate, smooth, or pubescent beneath ; cymes axillary and termi- 
nal, long-peduncled, commonly exceeding the leaves, loose-flowered ; calyx-lobes 
ovate, shorter than the tube of the white or pale rose-colored corolla; lobes of 
the corolla spreading or revolute. — Rich soil, North Carolina, and northward. 
June and July. — Stem 2/-3' high. Corolla twice as large as in No. 1. 
2. FORSTERONIA, Meyer. 
Calyx 5-parted, mostly glandular at the base within. Corolla fannel-shaped, 
5-cleft, without appendages. Filaments slender, inserted on the base of the 
corolla ; anthers linear-sagittate. Nectary of 5 distinct or partly united thickish 
glands. Stigma simple or 2-lobed, 5-angled. Follicle slender. Seeds linear- 
oblong, comose. — Twining shrubs, with opposite petioled leaves, and small. 
flowers in lateral and terminal cymes. 
1. F. difformis, A. DC. Leaves ovate-lanceolate, lanceolate or linear, 
acuminate, narrowed into a petiole, smooth, or, like the branchlets, pubescent 
when young ; cymes spreading, as long as the leaves; flowers greenish. (Echi- 
tes difformis, Walt.) — River-banks, Florida to North Carolina. May - Aug. — 
Stem twining, 10°-15° high. Leaves 2/-3! long. Corolla 4" long. Follicles 
6' —9' long. 4 ; 
3. ECHITES, P. Browne. 
Calyx 5-parted, with 3-5 glands at the base within. Corolla salver- or 
funnel-shaped, 5-lobed ; the tube mostly elongated, and dilated above the in- 
sertion of the stamens. Filaments very short: anthers sagittate, bearing the 
pollen, and adhering to the stigma in the middle. Nectary of 5 distinct or 
partly united glands. Style simple: stigma thick, with a spreading membra- 
nous appendage at the base. Follicles long and slender. Seeds linear-oblong, 
comose or plumose. — Erect or twining shrubs, with opposite leaves, and cy- 
mose axillary and terminal mostly fragrant flowers. 
l. E. umbellata, Jacq. Smooth; stem twining; leaves distant, oval, 
mucronate, slightly cordate, short-petioled, parellel-veined ; peduncles shorter 
than the leaves, 3 - 7-flowered ; calyx-lobes ovate, acuminate ; corolla salver- 
form, the cylindrical tube (2 long) slightly dilated above the insertion of the 
Stamens, four times as long as the rounded spreading lobes, pubescent within ; 
anthers awnless ; stamens inserted near the middle of the tube. — South Florida. - 
— Leaves 1}/-2! long, recurved and folded. Flowers white ? 
2. E. Andrewsii. Smooth; stem low, erect or twining ; leaves approx- 
imate, oval or oblong, mucronate, acute or rounded at the base, the margins | 
Tevolute ; peduncles axillary, 3 5-flowered, shorter than the leaves; calyk- — 
lobes lanceolate-subulate ; tube of the corolla much dilated above the insertion 
