366 ASCLEPIADACEJE.  (MILKWEED FAMILY.) 
gium, with their rounded summits connivent over it. — Wet pine barrens, Florida 
and Georgia. June and July. — Stem 19 —29 high. Leaves 1!-2' long, some- 
what fleshy. Corolla 8" — 10" wide. ai 
* * Leaves aliernate. : 
3. A. paniculata, Decaisne. Closely pubescent; stem angular, often 
branching; leaves oblong or lance-oblong, acute or obtuse at each end, short- 
petioled ; umbels- corymbose, often compound ; corolla large, greenish, spread- 
ing or nearly erect ; leaves of the crown oblong, obtuse, ascending, shorter than 
the nearly sessile gynostegium. (Podostigma viridis, ÆU.) — Dry pine barrens, 
Florida to South Carolina. July. — Stem 19 - 14° high, leafy to the summit. 
Leaves 3/- 4! long. Corolla 17 wide. ‘ 
4. A. longifolia, Ell Pubescent; stem terete’; leaves linear and linear- 
lanceolate, acute at each end, slightly petioled, rough-margined, the lowest com- 
monly opposite, sometimes whorled; umbels pubescent, slender-peduncled, 
many-flowered, alternate, opposite or whorled ; flowers small, pale purple; 
corolla reflexed ; leaves of the crown deep purple, oval, shorter than the gy- 
nostegium, and adnate to its stalk; follicle lanceolate, tomentose. (Asclepias 
angustifolia, Micke. in part.) Low pine barrens, Florida, and northward. 
July. — Stem 19-13? high. Leaves 3'—6'long. Corolla 4” wide. 
3. PODOSTIGMA, Ell. 
Calyx 5-parted. Corolla 5-parted, with the lobes erect. Leaves of the crow? 
destitute of a horn, ascending, incurved-beaked at the apex, united with the = 
of the long and slender gynostegium. Stigma small, depressed. Seeds comos®: 
— A low pubescent simple-stemmed perennial herb, with opposite lanceolate 
sessile leaves, and few-flowered umbels on lateral peduncles. E 
1. P. pubescens, Ell.— Low pine barrens, Florida to North Carolin» 
June - Oct.— Root tuberous. Stem 6/—12/ high. Leaves erect, 1/-% long 
Umbels of 4-6 orange-colored flowers. Corolla 4” — 5! long, as long 9$ ie 
pedicel, longer than the short peduncle, the oblong lobes wavy on the margins 
Follicles linear-lanceolate, tomentose, 4' — 6' long, many-seeded. 
winged. 
4. METASTELMA, R. Brown. 
Calyx 5-parted. Corolla bell-shaped, the lobes mostly hoary-pubescent W! 
Crown 5-leaved, inserted on the base or on the summit of the gyn 
Stigma flat. Follicles slender, smooth. Seeds comose. — Twining shrubs W^ 
smooth leaves. Umbels few-flowered. Flowers small, white. 
1. M. Schlectendalii, Decaisne. Branches pubescent ; leaves 05 i5 
(o Mong as thestigma: — South Plorida.— Leaves j'- 14" long, the 
. Aute: Corolla 2" long. Gynostegium 5-winged at the base. - 
di 
