ORDER LXXXIII. BIGNONTAC^E. 439 



spuriously 4-celled, many-seeded. Style 1. Capsule 1 — 2- 

 celled. Seed compressed, usually winged. Albumen none. 

 Trees, climbing or running plants. Leaves without stipules. 



Genus I.— BIGNO'NIA. L. 13—2. 

 (In honor of the Abbe Bignon.) 



Calyx 5-cleft, cup-shaped, coriaceous. Corolla campanulate, 

 5-lobed, ventricose beneath. Stamens 4, didynamous. Pod 

 2-celled. Seed with membranaceous wings. 



1. B. capreola'ta. A vine, climbing over trees and shrubs. Leaves 

 connate, lanceolate, cordate, glabrous, bearing tendrils, peduncles axil- 

 lary, each 1 -flowered. — Dull red. *> . March — April. Common. 



Cross-vine. 



2. B. rad'icans. A vine, climbing over the loftiest trees, attaching 

 itself by radicles. Leaves pinnate ; leaflets ovate, toothed, acuminate, 

 glabrous on the upper surface, pubescent beneath. Flowers in corymbs. 

 Corolla slightly ventricose beneath, tinged with yellow on the inside, 

 with the segments nearly round, with a barren filament. — Red. "^ . 

 June — Sept. Common. * Tecoma radicans. 



Genus II.— CATAL'PA. L. 2—1. 



(Its name in India.) 



Calyx 2-parted. Corolla campanulate, with the tube ventri- 

 cose, border with 4 unequal lobes. Stamens 2, fertile, and 2 — 

 3 sterile. Stigma in 2 plaits. Capsule cylindrical, 2-celled, 

 2-valved. Seed with membranaceous margins. 



1. C. cordifo'lia. A tree, with long, opposite, expanding branches. 

 Leaves nearly round, cordate, acuminate, glabrous on the upper surface, 

 downy beneath, very large, usually 3 in a whorl. Flowers in large, ter- 

 minal panicles; segments of the calyx obovate, concave; those of the 

 corolla crenulate, with the tube variegated, with yellow and purple; 

 6ilique long, with the dissepiment opposite the valves. — White. ^ . 

 April — May. Common on the Ocmulgee. 20 — 50 feet. 



Genus III.— MART YN'IA. 13—2. 

 (In honor of John Martyn, an English botanist.) 



Calyx 5-cleft. Corolla hypogynous, bilabiate, with the limb 

 5-lobed. Stamens 4, didynamous. Ovary spuriously 4-celled. 

 Style 1. Stigma divided. Fruit a ligneous capsule, termi- 

 nated by a hooked beak. Seed few, large. Herbaceous plants, 

 with alternate leaves, and axillary flowers. 



1. M. probosci'dea, (Glox.) Stem procumbent, branching, fistulous, 

 viscidly pubescent, whole plant fetid. Flowers on axillary peduncles. 

 Calyx split to the base on the underside. Capsule ligneous, 2-valved, 

 4-celled, with the surface furrowed, with 2 curved beaks, 2 — 3 inches 

 long. — Dull yellow. % June — Aug. Common. 



