.■>4() ASCLEl'lADACK.E. (MILKNVKKD FAMILY.) 



8. A incarnata, L-, var. pulchra, I'l-is- Ihiin; stem erect, hranch- 

 iiig ; leaves ohlnii-^ or oljloiig-lancenlati', acute, iiearlv sessile; uiiiliels miiiier- 

 oHs, suiiiewiiat eorvmbose, loiig-jieduncled, often coinpoiiini ; corolla Hiiiall, 

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

 incurved horns, and twice a^J long iis the short-stalked gvnoslegiuin. — Swamps 

 in the ujtper districts. June -July. — fSteiu 3^-4^ high. Leaves 4'-0' long. 



9. A. tomentosa, Kll. rul)escent or villous; stem stout, very leafy; 

 lea\cs oliluii;; or olilong-laiiceolalc, undulate, alirujjlly short-petioled ; umbels 

 4-10, alternate, nearly sessile, many-liowered ; pedicels tliree times as long as 

 the larj^e grcenisli corolla : leaves of the crown oljovate, truncated, shorter 

 tlian the gynostegium and the broad abruptly pointed erect horn. — Dry sandy 

 l)ine barrens, Florida to North Carolina. June- July. — Stem I°-4° high. 

 Leaves 2' -3' long. Tedicels 1' long. Corolla ^' wide. Follicles lanceolate, 

 tomentose, 4'-<»' long. 



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

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

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

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

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

 July. — .Stem l°-2'^ high. 



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

 oval, 14' long; umbel solitary, terminal, shcjrt-pedunded, loosely few-floweretl ; 

 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 F'lorida {Curliss). 



•>-*■ ++ Lnarex lauceolnie or linfur. 



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

 few flowered, the pt-ilunrles longer than the leaves; corolla \" long, whitish; 

 leaves of the crown obli(juely truncate, as long as the .sleiider-stiped gyno- 

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

 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-flo\vered, the drooi)ing ])edicels longer 

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

 2-tootlied at the inner angle, shorter tlian the gynostegium, longer tliau the 

 tiiick horn ; follicle smooth, linear. — Flat i)ine l)arrens, Florida to South 

 Cartdina. June-Sept. — Stem \°-'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 ; umliels shorter than the leaves, 6 - 12-flowered, the erect or spread- 

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

 crown oblong, spreading at the ape.K, rather longer than the erect subulate 

 horn, and twice as long as the gyno.stegium ; 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, Mich.x. Stem smooth, tall ; leaves elongated, lin- 

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



