364 ASCLEI'IADACK/E. (MILKWEED FAMILY.) 



long as the peduncle ; corolla deep red ; leaves of tho crown oblong, croct, 

 bright orange, more than twice as long as the subulate incurved horn and tho 

 short-stalked gynostegium ; follicle lanceolate, minutely pubescent. — Marshes, 

 Florida, and northward. June and July. — Stem 2°- 4° high. Leaves C - 12' 

 long. Corolla 3"- 4" long. 



11. A. Curassavica, L. Stem somewhat .shrubby, branching, slightly 

 pubescent, leafy to the summit ; leaves thin, lanceolate, acuminate, smooth ; 

 umbels corymbose, long-peduncled, 8- 10-tlowered, pubescent; pedicels much 

 shorter than the peduncle ; corolla scarlet ; leaves of the crown bright orange, 

 oblong, erect, longer than the stalked gynostegium, shorter than the thick in- 

 curved horn; follicle ovate-lanceolate, velvety. — South Florida. April -Xov. 

 — Stem l°-2° high. Leaves 3' -4' long. Corolla 3" long. 



-1- H- -1- Leaves opposite, ovate or ohlomj, more or less cordate, nearly sessile. 



12. A. rubra, L. Smooth; steift simple, naked at the summit; leaves 

 ovate or ovate-lanceolate, acuminate, rounded or slightly cordate at the base, 

 very short-petioled ; umbels 1-3, terminal, sessile, few-flowered; lobes of the 

 corolla lanceolate, acute, reddish-purple ; leaves of the crown oblong, acute, 

 purplish, barely longer than the subulate incurved horn, and twice as long as 

 the short-stalked gynostegium; follicle smooth. (A. laurifolia, iV/'cAx.) — Wet 

 pine barrens, Georgia, and northward. June- July. — Stem 2° -4° high. Leaves 

 2' -4' long. 



13. A. obtusifolia, Michx. Smooth and somewhat glaucous; .stem erect; 

 leaves oblong, undulate, mucronate, cordate and partly clasping at the base; 

 umbels 1 - 3, lateral and terminal, long-pcduncled, niany-llowcrcd ; corolla 

 greenish-purple ; leaves of the crown truncated and somewhat toothed at tije 

 apex, rather longer than the gynostegium, much shorter than the subulate 

 incun'ed horn; follicle smooth. — Sandy soil, Florida, and northward. Jiine- 

 July. — Stem 2° -3° high. Leaves 2' -3' long, the midrib very broad. Corolla- 

 lobes 3" long. Pedicels pubescent. 



14. A. amplexicaulis, Michx. Smooth and glaucous ; stem declining, 

 very leafy ; leaves large, fleshy, ovate, obtuse, cordate and clasping at the base, 

 veined with white; umbels 3-6, lateral and terminal, many-iiowered, the smooth 

 and slender pedicels shorter than the peduncle ; corolla ash-color ; leaves of the 

 crown oval, obtuse, white, longer than the gynostegium, and tho nearly straight 

 horn. — Dry sandy pine barrens, Florida to North Carolina. April and May. 



Stems several, l°-2° long. Leaves 4' -5' long, the midrib broad and 



prominent. 



H- ^- H- ^- J^jiper and Inirrr Iriirrs mostlij opjmsile, lite middle ones whorled. 



15. A. quadrifolia, Jacq. Somewhat pubescent; stem slender, simple ; 

 leaves thin, ovate or ovatc-lanccolate. acuminate, contracted into a petiole, pale 

 beneath ; uml)els 2-5, many-flowered, the slender peduiulc lomrer than iho 

 pedicels ; corolla pale-pink ; leaves of the crown white, ol)long, obtuse, twice as 

 long as the gynoste-iinn and stout horn. — Mountains of Carolina, and north- 

 Ward. Juuc - Aug. — Stem I" - I i° high. Lcavcjj 2' - 3' long. 



