3GG Aser.Kl'lAD.UK.E. (.MILKWEED FAMILY.) 



gium, with their rounded summits connivcnt over it — Wot pine barrens, Florida 

 and Georgia. June and -July. — Stem l°-2° high. Leaves l'-2' long, some 

 What iiohy. Corolla 8"- 1U" wide. 



* * Leaves alternate. 



3. A. panieulata, 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 gvnostegium. (Podostigma viridis, Ell.) — Dry pine barrens, 

 Florida to South Carolina. July. — Stern 1° - 1$-° high, leafy to the summit. 

 Leaves .'S'-4' long. Corolla 1' wide. 



4. A. longifolia, Ell. Pubescent; stem terete ; leaves linear and linear- 

 lanceolate, acute at each end. slightly pctioled, rough-margined, the lowest com- 

 monly opposite, sometimes whorled ; umbels pubescent, slender-peduncled, 

 many-flowered, alternate, opposite or whorled; flowers small, pale purple; 

 corolla reflexcd ; leaves of the crown deep purple, oval, shorter than the gy- 

 nostegium, and adnate to its stalk; follicle lanceolate, tomentose. (A. longi- 

 folia, Michx. in part.) — Low pine barrens, Florida, and northward. July. — 

 Stem l°-l£°high. Leaves 3' -6' long. Corolla 4" wide. 



3. PODOSTIGMA, Ell. 



Calyx 5-parted. Corolla 5-parted, with the lobes erect. Leaves of the crown 

 destitute of a horn, ascending, incurved-beaked at the apex, united with the base 

 of the long and slender gvnostegium. Stigma small, depressed. Seeds comosc 

 — A low pubescent simple-stemmed perennial herb, with opposite lanceolate 

 sessile haves, and few-flowered umbels on lateral peduncles. 



1. P. pubescens, Ell. — Low pine barrens, Florida to North Carolina 

 June - Oct. — Koot tuberous. Stem 6' -12' high. Leaves erect, l'-2' long. 

 Umbels of 4 - G orange-colored flowers. Corolla 4" - 5" long, as long as the 

 pedicel, longer than the short peduncle, the oblong lobes wavy on the margins 

 Follicles linear-lanceolate, tomentose, 4' - 6' long, many-seeded. Seeds oval, 

 winged. 



4. METASTELMA, R.Brown. 



Calyx 5-parted. Corolla bell-shaped, the lobes mostly hoary-pubescent within 

 down a-haved. inserted on the base or on the summit of the gvnostegium. 

 Stigma flat. Follicles slender, smooth. Seeds comosc. — Twining shrubs, with 



smooth haves. I'mliels few-llowcred. Flowers small, white 



1. M. Schlectendalii, Decaisne. Branches pubescent; leaves oblong 

 l u-pidatc. rather acute ;it the base, on -lender petioles ; peduncles 



:;-«')- fl.»wcrcd. as long as the petiole, shorter than the pedicels; sepals obtuse, 



filiate ; lobes of the corolla ov.ite-huieeolate. incurved, densely pubescent within ; 

 I of the crown oblong, inserted on the summit of the slender gynostogium, 



n> long as the stigma. — South Florida. — Leaves V- ll' long, the margins rev 



olute. Corolla ii" long. Gvnostegium 5-wingcd at the base. 



