398 LENTIBULARIACE^E. (BLADDERWORT FAMILY.) 



ing on damp rocks, with 1 -flowered scapes, and broad and entire leaves, all 

 clustered at the root, soft-fleshy, mostly greasy to the touch ( whence the name, 

 from pinguis, fat). 



1. P. vulgaris, L. Leaves ovate or elliptical; scape and calyx a little 

 pubescent ; lips of the violet corolla very unequal, the tube funnel-form ; spur 

 straightish. Wet rocks, northern N. Eng. and N. Y. to Minn., and far north- 

 ward. (Eu., Asia.) 



ORDER 78. BIGNONIACEJE. (BIGNONIA FAMILY.) 



Woody plants, monopetalous, didynamous or diandrous, with the ovary 

 commonly 2-celled by the meeting of the two parietal placentce or of a pro- 

 jection from them, many-ovuled ; fruit a dry capsule, the large flat winged 

 weds with a flat embryo and no albumen, the broad and leaf-like cotyledons 

 notched at both ends. Calyx 2-lipped, 5-cleft, or entire. Corolla tubu- 

 lar or bell-shaped, 5-lobed, somewhat irregular or 2-lipped, deciduous; 

 the lower lobe largest. Stamens inserted on the corolla ; the fifth or pos- 

 terior 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. 



1. Bignonla. Pod flattened parallel with the partition. Leaves compound, tendril-bearing. 



2. Tecoma. Pod flattish contrary to the partition. Leaves compound, without tendrils. 



3. Catalpa. Pod terete. Fertile stamens only 2. Trees ; leaves simple. 



1. BIGNONIA, Tourn. 



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

 and rather 2-lipped. Stamens 4, often showing a rudiment of the fifth. Cap- 

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

 transversely winged. Woody climbers, with chiefly compound leaves, ter- 

 minating in a tendril. (Named for the Abbe Bignon.) 



1. B. capreolata, L. (CROSS-VINE.) Smooth; leaves of 2 ovate or ob- 

 long leaflets and a branched tendril, often with a pair of accessory leaves in 

 the axil resembling stipules ; peduncles few and clustered, 1 -flowered ; corolla 

 orange, 2' long; pod 6' long; seeds with the wing l' long. Rich soil, Va. 

 to S. 111. and south to Fla. and La. April. Climbing tall trees ; a transverse 

 section of the wood showing a cross. 



2. TECOMA, Juss. TRUMPET-FLOWER. 



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

 Stamens 4. Capsule 2-celled, with the partition at right angles to the convex 

 valves. Seeds transversely winged. Woody, with compound leaves, climb- 

 ing by aerial rootlets. (Abridged from the Mexican name.) 



1. T. radicans, Juss. (TRUMPET CREEPER.) Leaves pinnate; leaflets 

 9- 11, ovate, pointed, toothed; flowers corymbed ; stamens not protruded be- 

 yond the tubular-funnel-form orange and scarlet corolla (2|-3' long) ; pod ob- 

 lanceolate, 4-5' long. Moist soil, Penu. to 111., south to Fla. and Tex. Com- 

 mon in cultivation farther north. 



