BIGHONTACEJE. (BIGXONIA FAMILY.) 285 



1. BIGNONIA, Toum. Cross-vine. 



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

 Bhaped, 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' 

 eels 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 - 1 1 , 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. Capside 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-lippcd 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-cleft, 2-3-bracted. Corolla irregular, tubular-bell-shaped, unequally 

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

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



