284 r.ir.NONiACr,.K. (nir.xoxiA kamily.) 



palate hairy. — Stcmlcss herbs. Leaves all radical, clustered, entire, with the 

 margins commonly involute. Scape naked, commonly viscid. 



* Flowers yellow. 



1. P. lutea, Walt. Clammy-])ubcsccnt ; leaves oblong-ohovatc ; corolla 

 large, with the romided lobes 2-4-clcft; spur subulate. — Open fiat pine bar- 

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

 I'-li'widc, nodding. 



* * Flowers purple, often changing to while. 



2. P. elatior, Michx. Leaves clammy-pubescent, spatulatc-ovatc ; scapes 

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

 gins of ponds. Florida to North Carolina. March and April. — Scapes 8'- 12' 

 high. Corolla 1' wide. 



3. P. australis, Nutt. Smoothish ; leaves lanceolate or oblong, flat ; co- 

 rolla 5-partcd, tiic wedge-obovate lobes 2-cleft, acutish ; spur sac-like, obtuse. — 

 Shallow ponds, West Florida, near the coast. March. — Scapes 1° high. Co- 

 rolla 1' wide. 



4. P. pumila, ^lichx. Clammy-pubescent ; leaves roundish or obovate ; 

 lobes of the corolla obcordate ; spur somewhat sac-like, obtuse. — Low sandy 

 pine barrens, Georgia, Florida, and westward. March and April. — Scape 2' - 

 6' high. Corolla i'- 1' wide. 



Ordeu 80. BIGNONIACEiE. (Bignoxia Family.) 



Herbs, shrubs, or trees, with simple or compound loaves, and regular or 

 somewhat irregular showy flowers. — Calyx 2-lipped, S-lobcd, or truncate 

 and entire. Corolla tubular or bell-shaped, mostly 2-lipped. Fertile sta- 

 mens 2, or 4 and didynamous, inserted on the corolla : anther-cells diverg- 

 ing. Ovai-y 2-c('lled, niany-ovuled ; the base surrounded with a glandular 

 disk. Style filiform: stigma 2-lipped. Capsule 2-valved, 2- or 4-celled, 

 many-seeded. Embryo Hat. Albumen none. 



Synopsis. 



SunouDKH I. BIGNONTExE. Trees, shrubs, or woody vines. Cap- 

 sule 2-celle(l, the valves separating from the partition. Seeds llat, winged. 

 Cotyleilons notched at each end. — Leaves op])osite. 



1. BTONONIA. Viilves of the capsule parallel with the partition. I/caTos compound. 



2. TECOMA. Yalv^gdf the capsule contrary to the partition. Leaves compound. 

 8. CATALI'A. Vulvc8 of the capsule contrary to the partition. Loaves simple. 



SuiU)iti)i:r{ 11. SF>SAME/["j. Herbs. Capsule 4-celled. Seeds wing- 

 less. Cotyledons thick, entire. 

 4. MAItTVNIA. Cnpunlo woody, lii'.-ikpd. Iajjivcs HJnipIn, altorimto or oppiwit^. 



