398 LENTIBULARIACE^. (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. BIGIS'ONIACE^E. (Bigxonia Family.) 



Woody planht, monopelalous, didynamous or diandrous, with the ovary 

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

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

 seeds with aflat 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. Bignoiiia: 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-lobea 

 and rather 2-lipped. Stamens 4, often sliowiug a rudiment of tlie fifth. Cap- 

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

 transversely winged. — Woody climbers, with chiefly compound leaves, tei 

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



1. B. capreolata, L. (Cross-vine.) Smooth; leaves of 2 ovate or oh 

 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 1^' long. — Kich 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; leaflet* 

 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, Penn. to 111., south to Fla. and Tex. Couv 

 mou in cultivation farther north. 



