ASCLEPIADACEJE. (MILKWEED FAMILY.) 367 
?. M. parviflorum, R. Brown. Herbaceous? stem very slender, pubes- 
cent in lines ; leaves smooth, linear-lanceolate, falcate, acuminate, rounded at the 
base, short-petioled, drooping; umbels sessile or short-peduncled, 4 — 6-flowered ; 
sepals smooth, acute; lobes of the corolla linear, incurved at the apex, very 
pubescent within; leaves of the crown inserted on the base of the sessile gynos- 
tegium, linear, erect, exceeding the stigma. — South Florida.— Leaves 6'/— 8" 
long. Corolla 1" long. 
3. M. Fraseri, Decaisne. Branches slender, pubescent in lines; leaves 
oval or round-ovate, mucronate; umbels sessile; pedicels short, smooth ; lobes 
of the corolla ovate, acute, thickish, pubescent on the margins; leaves of the 
crown linear, as long as the corolla, longer than the gynostegium. — In Caro- 
lina, Fraser. (*) 
5. SEUTERA, Reich. 
Calyx 5-parted. Corolla somewhat wheel-shaped, 5-parted, with narrow acute 
smooth lobes. Crown simple, deeply 5-parted, inserted on the base of the sessile: 
gynostegium ; the lobes ovate, flattened. Stigma conical, longer than the anthers. 
Follicles smooth. Seeds comose. — A slender partly shrubby twining vine, with 
fleshy linear drooping leaves, and long-peduncled umbels of greenish flowers. 
1, S. maritima, Decaisne. (Lyonia, ÆU.) — Salt marshes, Florida to: 
North Carolina. July and Aug. — Stem shrubby at the base; the branches: 
twining around rushes and saline grasses. Leaves 2’ long. Peduncles com- 
monly longer than the leayes, many-flowered. Lobes of the corolla lanceolate, 
imbricated in the bud. Lobes of the crown obtuse, as long as the stigma. 
6, CYNOCTONUM, Meyer. 
Calyx 5-parted. Corolla wheel-shaped, 5-parted. Stamineal crown simple, 
enclosing the base of the sessile gynostegium, 5-lobed or 5-crenate. Anthers 
membranaceous at the apex. Stigma flattish. Follicles linear, spreading or 
Teflexed. Seeds. comose.— Perennial or shrubby twining plants. Leaves 
Mostly cordate. Umbels lateral. 
1. C.? scoparium. Stems much branched, pubescent in lines, shrubby at 
the base; leaves thin, linear, cuspidate, tapering into a petiole, smoothish ; um- 
bels nearly sessile, few-flowered, shorter than the leaves; calyx-lobes ovate, 
obtuse, pubescent like the pedicels; corolla smooth, the spreading lobes: lanceo- 
late, obtuse ; crown crenately 5-lobed, shorter than the gynostegium ; follicles: 
very slender, widely spreading ; seeds linear, wingless, (Cynanchum scoparium, 
Nutt.) — Dry rich soil, near the coast, West Florida to Key West. — Leaves 
F-l'long. Flowers green, less than a line long. Follicles 1! long. 
7. SARCOSTEMMA, R. Brown. 
, “Myx 5-parted. Corolla wheel-shaped, 5-parted. Crown double; the ex 
tior forming a ring at the base of the corolla; the interior longer, S-leaved 
: Stigma pointed, notched. Follicles slender, smooth. - Seeds comose, — Erect or 
ES * 
