BIGNONIACE^E. (BIGNONIA FAMILY.) 285 



1. BIGNONIA, Tourn. CROSS-VINE. 



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

 shapcd, 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. capreolata, L. Leaves evergreen; the short petiole terminated by 

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

 cels clustered, axillary, elongated. "Woods, Florida to Mississippi, and north- 

 ward. April. Stem climbing high. Leaflets 3' - 6' long. Corolla 2' long, red 

 without, yellow within. Capsule long. 



2. TECOMA, Juss. TRUMPET-FLOWER. 



Calyx bell-shaped, 5-toothed. Corolla funnel-shaped, 5-lobed. Fertile sta- 

 mens 4, didynamous. Valves of the capsule convex, contrary to the parti- 

 tion. Seeds winged. Shrubs or woody vines. Leaves opposite, compound, 

 deciduous. 



1. T. radicans, Juss. Stem climbing by rootlets ; leaves pinnate, more 

 or less pubescent ; leaflets 9-11, ovate or ovate-lanceolate, acute or acuminate, 

 serrate ; racemes terminal, few-flowered. (Bignonia radicans, L.) Woods and 

 margins of fields, Florida to North Carolina, and westward. May and June. 

 Corolla 2' -3' long, scarlet without, yellow within. Capsule 4' - 5' long. 



2. T. stans, Juss. Stem erect; leaves smooth, pinnate, long-petioled; 

 leaflets 7, lanceolate, acute, finely serrate ; racemes many-flowered ; calyx tubu- 

 lar ; stamens 5, the fifth bearing an abortive anther. South Florida. March 

 - May. Stem 3 - 4 high. Corolla l' long, yellow. 



3. CATALPA, Scop. 



Calyx 2-lipped. Corolla bell-shaped, somewhat 2-lipped, 5-lobed. Fertile 

 stamens 2. Valves of the cylindrical capsule contrary to the partition. Seeds 

 flat, with fimbriate wings. Small trees. Leaves simple opposite. Flowers in 

 terminal panicles. 



1. C. bignonioides, "Walt. Leaves large, cordate, entire or angularly 

 lobed, acuminate, long-petioled, pubescent; panicle trichotomous, many-flow- 

 ered ; calyx purple ; corolla white, variegated with yellow and purple within, 

 the lobes undulate ; capsule slender, elongated, pendulous. (C. cordifolia, Ell.) 

 River-banks, Georgia, Florida, and westward. May. Corolla 1' long. Cap- 

 sules 1 long. 



4. MARTYNIA, L. UNICORN-PLANT. 



Calyx 5-clcft, 2 - 3-bracted. Corolla irregular, tubular-bell-shaped, unequally 

 5-lobed. Fertile stamens 2 or 4. Capsule woody, falsely 4-cellcd, ending in 

 two long recurved horns, and opening between them. Seeds wingless. Viscid 



