302 LENTIBULACEyE. (lU.ADDKKWORT FAMILY.) 



6. U. gibba, L- Stem sliort, with iliistereil liranches; leaves sparingly 

 diviiU'tl ; scajie i -^-tiowered ; lips of the ecjrolla iiearl)' ecjiial, longer tlian the 

 gihhous ohtuse appressetl spur. — Siialluw pouds, ISoutii Carolina (EUiutt), and 

 uortiiward. June. — 8teni'*i'-3' lung. IScapo l'-3' high. 



* # * ^It III jiuatiiiij : leaves u'horleil,jiueli/ dissected : /lowers imr/de. 



7. U. purpurea, Walt. Stem long, filiform; scape mostly 1-tiowered; 

 upi)er lip of llie ciirolla truncated; tiie lower 3-lubed, with the lateral lobes 

 sac-like, longer than the subulate sj)ur. — Shallow pouds. June. — Stem 1°- 

 2'^ long. Scape 2' -3' higli. Corolla 4" wide. 



« » « « ^teinless : scape routliKj, scalij ; leaves linear and entire, or none : 

 air-bladders Jew or none : Jiowers yellow. 



8. U. COmuta, Miciix. Scape 2-4-flowered; pedicels short, as long as 

 the calyx ; lips of tlie large (I' wide) corolla obovate, une(pial ; the lower one 

 larger, abruptly pointed, entire, as long as tiie horn-shajted acute depending 

 spur, the margins strongly retlexed. — Swamps, Florida, and northward. 

 July - Sept. — Scape 1° high. 



9. U. juncea, Vahl. Scape loosely 3 - 1 2flowered ; pedicels shorter 

 than the calyx ; corolla 4" -5" wide, the prominent palate closing the throat ; 

 spur subulate, depending, as long as the corolla ; stamens sliglitly curved. — 

 Marsliy margins of ponds and .streams, near the coast. Sept. -Oct. — Scape 

 6' -12' high. 



10. U. longeciliata, A. DC. Scape 3 - 7-flowered (6' high), the pedi- 

 cels shorter than the calyx ; upper lip of the small (5" long) yellow corolla 

 obovate, the lower one nearly entire, with reflexed margin, as long as the 

 horn-shaped spur ; leaves numerous, linear ; scales and bracts long-ciliate- 

 deiitate. — Miami, South Florida (Garber). 



11. U. SUbulata, L. Scai)e setaceous, 3 - 9-flowered : pedicels much 

 longer than tlie calyx ; lower lip of the small (3" -4") corolla 3-lohed, longer 

 than the appressed conical green-pointed spur; leaves, when present, linear, 

 fugacious. — Wet sandy pine barrens, Florida to North Carolina, and west- 

 ward. Feb. - May. — Scape 2' - 8' high. 



2. PINGTJICITLA, Tourn. BrxTF.uwf^uT. 



T'^pper lip of the calyx 3-lobed, the lower 2-lohed. Corolla somewhat 2- 

 lipped ; the upper lip 2-lobed : the lower 3-lobed, spurred at the base ; palate 

 hniry. — Stemless herbs. Leaves all radical, clustered, entire, W'ith the mar- 

 gins commonly involute. Scape naked, commonly viscid. 

 * Floii'prs ypJIow. 



1. P. lutea, Walt. Clammy-pubescent; leaves oblong-obovate ; corolla 

 large, with the rounded lobes 2-4-cleft; spur subulate. — Open flat pine bar- 

 rens, common. Feb. -April. — Plant yellowish. Scape 6'- 12' high. Corolla 

 V -\V wide, nodding. 



* * Flowers purple, often rhanqinff to vJiite. 



2 P. elatior, Michx. Leaves clammy-pubescent, spatulate-ovate; .scapes 

 villous near the base ; lobes of the corolla 2-cleft, rounded ; spur obtuse. — 



