218 ORDER 86. BIGNONIACE^E. 



ORDER LXXXVI. BIGNONIACE^E. TRUMPET-FLOWERS. 



Trees, shrubs, or herbs, often climbing, with opposite, exstipulate leaves 

 and large, showy, monopetalous, irregular, 5-parted flowers. Stamens 2 

 or 4, often with 1 or 3 sterile rudiments. Anthers 2-celled. Ovary 2-car- 

 pellecl. Style 1. Stigma divided. Capsule woody, 2-valved, with few or 

 many large seeds. Figs. 30, 31, 95, 199, 445. 



S Plants woody, with the leaves mostly opposite, and the flat seeds winged. ..(I.) 

 8 Plants herbaceous, leaves all simple, some alternate. Seeds windless. . .(II.) 



I. BIGNOXIADS. Trees, with simple leaves, and lonjr, cylindric pods OATALPA. i 



Shrubs climbing. Leaves compound (binate). Calyx truncate. ..BiGXONlA. 2 



Shrubs climbing. Leaves pinnate. Calyx 5-toothed TKCOMA. 3 



Half-shrubby climbers (exotic). Lvs. compd. (bipinnate)...EcCREMOCARpus. 4 



II. SESAMEj-E. Coarse, clammy herbs the fleshy pods 2-horned MARTTNIA. 5 



Smoothish, erect. Pods dry, 4-celled, not beaked SES AMUM. 6 



1. CATALPA, Scop. CATALPA. Cal. 2-parted. Cor. campanulate, 4- 

 or 5-cleft, the tube inflated. Sta. 2 fertile, 2 or 3 sterile. Stig. 2-lipped. 

 Caps. 2-celled, long, cylindric. ^ I jVS - opposite or in 3's, simple, petiolate. 

 Flowers in large, showy, terminal panicles, May July. Figs. 30-1, 445. 



1 C. bignonioides Walt. Lvs. ample, thin, cordate-ovate, lustrous above, downy 



beneath, long-petioled ; fls. in erect, pyramidal panicles, large, irregularly bell-shaped, 

 white, with yellow and violet spots. A beautiful tree 30 50f. Native and cultivated. 



2 C. KEMFFERI. Lvs. smaller, entire or lobed, glabrous both sides ; fls. smaller. Japan. 



2. BIGNONIA, Tourn. Cal. margin nearly entire. Cor. somewhat bi- 

 labiate, 5-cleft, bell-funnel-shaped. Sta. didynamous, 4 fertile, 1 a sterile 

 filament. Caps, long and narrow, valves flat or scarcely convex, parallel 

 with the partition. 5 5 Often with tendrils. 



1 B. capreolata L. Climbing, smooth ; leaves binate, consisting of a pair of ever 



green, cordate-lanceolate leaflets and a branching tendril between them ; fls. axillary, 

 near 2', red-yellow ; pod 67' long. Woods, S. 50f. Very slender. March May. 



2 B. TWEEDIANA. With yellow fls. 2', in panicles ; cal. bilabiate. From Buenos Ayres. 



3. TECOMA, Juss. TRUMPET-FLOWER. Cal. campanulate, 5-toothed. 

 Cor. tube short, throat dilated, limb 5-lobed, subequal. Sta. 4, didynamous, 

 with the rudiment of a fifth, anther-cells 2, diverging. Caps. 2-celled, 2- 

 valved, the valves contrary to the partition. Seeds winged. 5 5 t? Lvs. 

 opposite, odd-pinnate in the following. 



1 T. radicans Juss. Climbing by radicating tendrils ; Ifts. 4 or 5 pairs, ovate, den- 



tate-serrate, pointed ; corolla thrice longer than the calyx ; etam. included. Woods, 

 thickets, Penn., S. and W. 20 80f. Fls. red, 2' long. June Aug. Very showy. 



2 T. CAPENSIS. Climbing; Ifts. broad-ovate, crenate-serrate ; cor. long, trumpet-shaped, 



incurved, stam. and style exserted. S. Afr. Flowers corymbed, 2' long, orange. 



3 T. GRANDIFLORA. Climbing ; Ifts. lance-ovate, pointed, dent-serrate ; cor. scarcely 



longer than the 5-toothed calyx (30, scarlet. China and Japan. 



4 T. JASMINOIDES. Climbing ; Ifts. ovate, shining, entire ; pan. terminal ; cor. truru 



pet-shaped, white, roseate in the throat. Australia. Common in greenhouses. 



4. ECCREMOCARPUS, R & P. Calyx acutely 5-cleft, broader and 

 much shorter than the tubular corolla, whose lobes are 5, rounded, reflexed. 



