34(5 ASCLEPIADACE^E. (MILKWEED FAMILY.) 



8. A. incarnata, L., var. pulchra, Pers. Hairy; stein erect, branch- 

 ing ; leaves obloug or oblong-lanceolate, acute, nearly sessile ; umbels numer- 

 ous, somewhat corymbose, long-peduucled, often compound ; corulla small, 

 reddish purple; leaves of the crown flesh-color, ovate, as long as the slender 

 incurved horns, and twice as long as the short-stalked gynostegium. Swamps 

 in the upper districts. June- July. Stem 3 -4 high. Leaves 4'- 6' long. 



9. A. tomentosa, Ell. Pubescent or villous; stem stout, very leafy; 

 leaves oblong or oblong-lanceolate, undulate, abruptly short-petioled ; umbels 

 4- 10, alternate, nearly sessile, many-flowered ; pedicels three times as long as 

 the large greenish corolla; leaves of the crown obovate, truncated, shorter 

 than the gvuostegium and the broad abruptly pointed erect horn. Dry sandy 

 pine barrens, Florida to North Carolina. June -July. Stern l-4 high. 

 Leaves 2' - 3' long. Pedicels 1' long. Corolla $' wide. Follicles lanceolate, 

 tomentose, 4' -6' long. 



10. A. obovata, Ell. Tomentose; stem stout, very leafy ; leaves nearly 

 sessile, thick, oblong-oval or obovate, undulate ; umbels nearly sessile, closely 

 10- 14-flowered ; corolla yellowish green ; leaves of the crown purplish, twice 

 as long as the gynostegium, and equalling the incurved horn ; follicle tomen- 

 tose. Dry gravelly or sandy soil, Georgia, Florida, and westward. Juue- 

 July. Stem l-2 high. 



11. A. Curtissii, Gray. Stem puberulous (1- 3 high) ; leaves smooth, 

 oval, l' long; umbel solitary, terminal, short-peduucled, loosely few-flowered ; 

 flowers yellowish green ; leaves of the crown somewhat hastate-lanceolate, 

 erect, more than twice as long as the gynostegium and the incurved horn ; 

 anther wings very broad. Eastern part of South Florida (Curtiss). 



++ *-* Leares lanceolate or linear. 



12. A. Simpsoni, Chapm. Stem pubescent ; leaves filiform ; umbels 2, 

 few-flowered, the peduncles longer than the leaves; corolla 1" long, whitish ; 

 leaves of the crown obliquely truncate, as long as the slender-stiped gyuo- 

 stegium, and half as long as the filiform incurved horns ; anthers membraua- 

 ceous. Low pine barrens, Manatee, South Florida. 



13. A. cinerea, Walt. Stems erect, slender, pubescent in lines ; leaves 

 narrowly linear; umbels 3-6, 5-7-flowered, the drooping pedicels longer 

 than the peduncle ; flowers ash-color ; leaves of the crown obliquely truncated, 

 2-toothed at the inner angle, shorter than the gynostegium, longer than the 

 thick horn ; follicle smooth, linear. Flat pine barrens, Florida to South 

 Carolina. June -Sept. Stem l-2 high. Leaves 2' -3' long. Corolla 

 3" - 4" wide. Follicle 3' - 4' long. 



14. A. viridula, Chapm. Stem slender, pubescent in lines; leaves lin- 

 ear, erect ; umbels shorter than the leaves, 6- 12-flowered, the erect or spread- 

 ing pedicels as long as the peduncle ; corolla yellowish green ; leaves of the 

 crown oblong, spreading at the apex, rather longer than the erect subulate 

 horn, and twice as long as the gynostegium ; follicle smooth, linear. Pine 

 barren swamps, West Florida. June -July. Stem 10'-- 15' high. Leaves 

 2' long. Corolla 3" wide. Follicle 3' long. Juice not milky. 



15. A. paupercula, Michx. Stem smooth, tall ; leaves elongated, lin- 

 ear or linear-lanceolate, the upper small and remote; umbels 2-5, corymbose, 



