278 BIGNONIACE^E. (BIGNONIA FAM.LT.) 



bell-shaped, 5- obed, somewhat irregular and 2-lipped, decid ious ; the low- 

 er lobs largest. Stamens inserted on the corolla ; the fifth or posterior one, 

 and sometimes the shorter pair also, sterile or rudimentary : anthers of 2 

 diverging cells. Ovary free, bearing a long style, with a 2-lipped stigma. 

 Leaves compound or simple, opposite, rarely alternate. Flowers large 

 and showy. Chiefly a tropical family ; only two species indigenous within 

 our limits. It includes two suborders, viz : 



SUBORDER I. BIGNONIE^E. THE TRUE BIGNONIA FAMILY. 



Woody plants, with 1 - 2-celled and 2-valved pods, the valves separating 

 from the partition when there is any. Seeds transverse, very flat, winged ; 

 the broad and leaf-like cotyledons notched at both ends. 



1. BIGNONIA. Pod flattened "parallel with the partition. Leaves compound. 



2 TECO.MA. Pod with the convex valves contrary to the partition Leaves compound 



8. CATALPA. Pod as in No. 2. Leaves simple. Fertile stamens only 2. 



SUBORDER II. SESAME^E. THE SESAMUM FAMILY. 



Herbs, with the fruit more or less 4 - 5-celled. Seeds attached by one 

 end, not winged ; the cotyledons thick and entire. 



4. MARTYNIA. Fertile stamens 2 or 4. Fruit fleshy without and woody within, beaked. 



1. BIGNONIA, Tourn. BIGNONIA. 



Calyx truncate, or slightly 5-toothed. Corolla somewhat bell-shaped, 5-lob((d 

 and rather 2-lipped. Stamens 4, often showing a rudiment of the h'fth. Pod 

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

 transversely winged. Woody vines, with chiefly compound leaves, climbing bj 

 tendrils. (Named for the Abbe Biynon.) 



1. B. caprcolata, L. Smooth; leaves of 2 ovate or oblong leaflets 

 and a branched tendril, often with a pair of accessory leaves in the axil resem- 

 bling stipules; peduncles few and clustered, 1 -flowered. * Rich soil, Virginia, 

 Kentucky, Illinois, and southward. April. Stems climbing tall trees ; a trans- 

 verse section of the word showing a cross. Corolla orange, 2' long. Tod 6' 

 long. Seeds with the wing 1|' long. 



2. TECOUIA, Juss. TRUMPET-FLOWER. 



Calyx bell-shaped, 5-toothcd. Corolla funnel-form, 5-lobcd, a little irregular. 

 Stamens 4. Pod long and narrow, 2-celled, the partition contrary to the convex 

 valves. Seeds transversely winged. Woody vines, with compound leaves. 

 (Abridged from the Mexican name.) 



1. T. radtaaiis, Juss. (TRUMPET CREEPER.) Climbing by rootlets , 

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

 mens not protruded beyond the tulmlar-funncl-fonn corolla. (Bi^nonia radi 

 cans, A.) Kich soil, Pennsylvania to Illinois and southward; but cultivated 

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



