ASCLEPIADACE.E. (MILKWEED FAMILY.) o49 



* * Crown leaves spreading, ojien above, crested below the middle, obtuse: anthers 



sagittate, membranous above, curving over the gynostegium. 

 2. A. Feayi. Stem slender, 6'- 18' high ; leaves opposite, almost filiform, 

 2' -3' lotio-; umbels 2-3. approximate, few-flowered, the pedicels longer tliau 

 the peduncle; flowers white, 3" -4" long ; crown as long as the sessile gyuo- 

 stegium. (Asclepias, Gray.) South Florida, near the coast. 



6. ENSLENIA, Nutt. 



Calyx 5-parted. Corolla bell-shaped, 5-parted: crown inserted on the 

 base of the gynostegium, 5-leaved, each leaf deeply cleft, with the lobes pro- 

 longed into a slender flexuous point. Stigma subcouical. Follicle fusiform. 

 Seeds comose, flat. -A perennial twining vine, with opposite cordate-ovate 

 acuminate leaves, and small white fragrant flowers in axillary umbels or 

 corymbs. 



1. E. albida, Nutt. River banks, Georgia, Alabama, and northward. 

 July. 



7. METASTELMA, R. Brown. 



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

 within. Crown 5-leaved, inserted on the base or on the summit of the gynoste- 

 gium. Stigma flat. Follicles slender, smooth. Seeds comose. Twining 

 shrubs, with smooth leaves. Umbels few-flowered. Flowers small, white. 



1. M. Bahamense, Griseb. Branches pubescent; leaves oblong or 

 obovate, cuspidate, on slender petioles ; peduncles 3 - 6-flowered, as long as the 

 petiole, shorter than the pedicels ; sepals obtuse, ciliate ; lobes of the corolla 

 ovate-lanceolate, incurved ; leaves of the crowu oblong, inserted on the sum- 

 mit of the slender gynostegium, as long as the stigma. South Florida. 

 Leaves ^'-1^' long, the margins revolute. Corolla 2" long. Gynostegium 

 5-winged at the base. 



2. M. Blodgettii, Gray. Herbaceous? stem very slender, pubescent 

 in lines ; leaves smooth, linear-lanceolate, falcate, acuminate, short-petioled, 

 drooping; umbels sessile or short-peduncled, 4 -6-flowered; sepals smooth, 

 acute; lobes of the corolla linear, incurved at the apex; leaves of the crown 

 inserted on the base of the sessile gynostegium, linear, erect, exceeding the 

 stigma. South Florida. Leaves 6" -8" long. Corolla 1" long. 



8. SEUTERA, Reich. 



Calyx 5-parted. Corolla somewhat wheel-shaped, 5-parted, with narrow 

 acute smooth lobes. Crowu simple, deeply 5-parted, inserted on the base of 

 the sessile conical gynostegium ; the lobes ovate. 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. Salt marshes. July -August. Stem 

 shrubby at the base ; the branches twining around rushes and saline grasses. 

 Leaves 2' long. Peduncles commonly longer than the leaves, many-flowered. 

 Lobes of the corolla lanceolate, of the crown obtuse. 



