BIGNONIACE^. (bIGNONIA FAMILY.) 321 



1. BIGNONIA, Touni- Bigtonia. 



Calyx truncate, or slightly 5-toothed. Corolla somewhat bell-shaped, 5-lohed 

 and rather 2-lipped. Stamens 4, often showing a rudiment Of the fifth. Pod 

 2-celled, flattened parallel with the valves and partition. Seeds transversely 

 winged. — Woody climbers, with chiefly compound leaves, terminating in a tetl- 

 dril. (Kamed for the Abb^ Bignon.) 



I. B. capreol&ta, L. Smooth; leaves of 2 Ovate or oblong leaflets and a 

 branched tendril, often with a pair of accessory leaves in the axil resembling 

 stipules ; peduncles few and clustered, 1-flowered. — Eich soil, Virginia to S. 

 Illinois and southward. April. — Stems climbing tall trees ; >■ transverse sec- 

 tion of the wood showing a cross. CoroUa orange, 2' long. Pod 6' long. Seeds 

 with the wing 1 J' long. 



2. T^COMA, Jnss. TEuMPET-rLOWEK. 



Calyx beltshaped, 5-toothed. Corolla funnel-form, 5-lobed, a little irregular. 

 Stamens 4. Pod 2-celled, the partition contrary to the convex valves. Seeds 

 transversely winged. — Woody climbers, with compound leaves. (Abridged from 

 the Mexican name. ) 



1. T. radicans, Juss. (TRniiPEi CKEEPfis.) Climbiag by rootlets ; 

 leaves pinnate ; leaflets 5-11, ovate, pointed, toothed; flowers corymbed; sta- 

 mens not protruded beyond the tubular-furniel-form corolla. (Bignonia radi- 

 cans, L.) — Rich soil, Pennsylvania to Illinois and southward; but cultivated 

 farther north. July- Sept. —Corolla 2' -3' long, orange and scarlet, showy, 



3. CATALPA, Scop., Walt. Catalpa. Indian Bean. 



Calyx deeply 2-lipped. Corolla bell-shaped, swelling ; the undulate 5-lobed 

 spreading border irregula* and 2-lipped. Fertile stamens 2, or sometimes 4 ; 

 the 1 or 3 others sterile and rudimentary. Pod very long and slender, nearly 

 cylindrical, 2-celled ; the partition contrary to the valves. Seeds winged on 

 each side, the wings cut into a fringe. (The aboriginal name.) 



1. C. bignonioldes, Walt. Leaves heart-shaped, pointed, downy be- 

 neath ; flowers in open compound panicles. — S. Illinois ? and southward. Cul- 

 tivated in the Northern States : a well-known ornamental tree, vrith large leaves, 

 and showy flowers, which are white, slightly tinged with violet, and dotted with 

 purple and yellow in the throat, appearing in July. Pods hanging till the next 

 spring, often 1° long. 



4. MABT'i'NIA,^ L. Unicorn-plant. 



Calyx 5-cleft, mostly unequal. Corolla gibbous, bell-shaped, 5-lobed and 

 somewhat 2-lipped. Fertile stamens 4„or only 2. Pod fleshy, the flesh at length 

 falling away in 2 valves ; the inner part woody, terminated by a beak, which at 

 length splits into 2 hooked horns, and opens at the apex between the horns, 

 imperfectly 5-celled, owing to the divergence of the two plates of each of the two 

 pai'titions or placentae, leaving a space in the centre, while by reaching and co- 

 hering with the walls of the fruit they form 4 other cells. Seeds several, wing- 

 21 



