BIGNONIACE.E. (BIGNONIA FAMILY.) 303 



Margins of ponds, Florida to North Carolina. March - April. Scapes 8' - 

 12' high. Corolla 1' wide. 



3. P. planifolia. Smoothish; leaves lanceolate or oblong, flat ; corolla 



5-parted, the wedge-obovate lobes 2-clei't, acutish ; spur sac-like, obtuse. 

 ( i'. anstralis, S. Flora, not o/' A-'uM.) [Shallow ponds, West llorida, near the 

 coast. March. Scapes 1 high. Corolla 1' wide. 



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

 lobes of the corolla obcordate, the spur short and obtuse, or subulate, and as 

 Lmg as the tube. (P. Florideusis, *$'. Flora.) Low sandv pine barrens, 

 Georgia, Florida, and westward. March- April. Scape 2'- 6' high. Corolla 

 f -f wide. 



ORDER 88. BIGNONIACE^. (BIGKONIA FAMILY.) 



Herbs, shrubs, or trees, with simple or compound leaves, and regu- 

 lar or somewhat irregular showy flowers. Calyx 2-lipped, 5-lobed, 

 or truncate and entire. Corolla tubular or bell-shaped, mostly 2- 

 lipped. Fertile stamens 2, or 4 and didynamous, inserted on the 

 corolla : anther cells diverging. 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. BIGXONIE7E. Trees, shrubs, or woody vines. Capsule 

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

 ledons notched at each end. Leaves opposite. 



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



2. TECOMA. Valves of the capsule contrary to the partition. Leaves compound. 



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



SUBORDER TT. SESAMES. Herbs. Capsule 4-celled. Seeds wingless. 

 Cotyledons thick, entire. 



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



1. BIGNONIA, Tonrn. CROSS-VINE. 



Calyx cup-shaped, truncate or slightly 5-toothed. Corolla tubular-bell- 

 shaped, 5-lobed. Fertile stamens 4, didynamous; anthers smooth. Valves 

 of the capsule flattened parallel with the partition, and separating from it 

 at maturity. Seeds flat, winged. Climbing woody vines. Leaves opposite, 

 compound. 



1. B. caprGOlata, L. Leaves evergreen; the short petiole terminated 

 by 2 cordate-oblong entire stalked leaflets, with a branched tendril between ; 

 peilicels clustered, axillary, elongated. Woods. April. Stem climbing 

 high. Leaflets .T-6' long. Corolla 2' long, red without, yellow within. 

 Capsule i long. 



