284 r.ir.NONi.vcK.K. (uignomv 1 amii.y.) 



palate hniry. — StPtnloss licrhs. Leaves all radical, dusten-d, entire, with the 

 margins conimuiily involute. Seape naked, eomnionly viscid. 



* Flowers >/ellow. 

 1- P. lutea, Walt, riammy-imbescent ; loaves ohlonj:j-<^(liovatc ; corolla 

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

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

 1 '- H' wide, nodding. 



* * Floivprs pttrplfi, often chanfjiiig to vhite. 



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

 villous near the base ; lobes of the corolla 2-cleft, rounded ; si)ur obtuse. — Mar- 

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

 high. Corolla 1' wide. 



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

 rolla 5-partcd, the wedge-obovatc 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, Michx. Clammy-pubescent ; leaves roundish or obovatc ; 

 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'-?i' wide. 



Orpku 89. BIGNONIACE^. (Rigxoxta Family.) 



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

 somewhat irregular showy flowers. — Calyx 2-lipped, y-lobed, or truncate 

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

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

 ing. Ovary 2-celled, many-ovuled ; the base surrounded with a glandular 

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

 many-seeded. Embryo flat. Albumen none. 



Synopsis. 



Suborder I. I)IGNONIE.iE. Trees, shrubs, or woody vines. Cap- 

 sule 2-celled, the valves separating from the partition. Seeds flat, winged. 

 Cotyledons notched at each end. — Leaves oi)posite. 



1. BIGNONIA. Valves of the capsule parallel with the partition. Leaves compound. 



2. TECOMA. Valves of the capsule contrary to the partition. I^eaves compound. 



3. CATALPA. Valves of the capsule contrary to the partition. Leaves simple. 



Suborder II. SESAME^E. Herbs. Capsule 4-celled. Seeds wing- 

 less. Cotyledons thick, entire. 



4. MARTYNIA. Capsule woody, beaked. Leaves simple, alternate or opposite. 



