MARTYNIACEAE (MAIITYNIA FAMILY") 741 



1. Tecoma. Pod flattish contrary to the partition. Leaves componml. withont tpnrlrfls. 



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



3. Bignonia. Pod flattened parallel with the partition. Leaves compound, tendril-beariag, 



I. TECOMA Juss. Trumpkt-flower 



Calyx bell-shaped, 5-toothed. Corolla funnel-form, 5-lobed, a little iire^lar. 

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

 valves. Seeds transversely winged. — Woody, with compound leaves, climbing 

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



1. T. radicans (L.) Juss. (Trumpet Creeper.) Leaves pinnate; leaflets 

 0-11, ovate, pointed, toothed; flowers corymbed ; stamens not protruded 

 beyond the tubular-funnel-form orange and scarlet corolla (6-8 cm. long); pod 

 oblanceolate, 1-1.5 dm. long. — Moist soil, N. J. to s. e. la., s. to Fla. and 

 Tex, ; common in cultivation farther north w. 



2. CATALPA Scop. Catalpa. Indian Bean 



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

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

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

 nearly cylindrical, 2-celled, the partition at right angles to the valves. Seeds 

 winged on each side, the wings cut into a fringe. — Trees, with ovate or cordate 

 and mainly opposite leaves. (The aboriginal pame.) 



1. C. speci5sa Warder. (Catawba Tree, Cigar Tree.) A large and 

 tall tree, with thick bark; leaves ample, heart-shaped, long-acuminate ; corolla 

 8.0-5 cm. long, nearly white, inconspicuousltj spotted, with obconical tube and "*" 

 slightly oblique limb, the loicer lobe emarginate ; capsule thick. — Low rich 

 woodlands, s. Ind. to Tenn., Mo., and Ark. May, June. 



2. C. bignonioides Walt. A low much branched tree, with thin bark; 

 corolla smaller (2.5-4 cm. long), thickly spotted, with oblique limb and entire )k 

 lower lobe; capsule much thinner. (O. Gatalpa Karst.) — Naturalized from 

 N. Y. southw. ; indigenous on the Gulf coast. 



3. BIGNdNIA [Tourn.] L. 



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

 and rather 2-lipped. Stamens 4, often with a rudiment of the fifth. Capsule 

 linear, 2-celled. Seeds transversely winged. — Woody climbers. (Named for 

 the Abbe Jean-Paul Bignon, court-librarian at Paris and friend of Tournefort.) 



1. B. capreolata L. (Cross-vine.) 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 ; corolla orange, 

 5 cm. long ; pod 1.5 dm. long; seeds with the wing 4 cm. long. {B. crucigera 

 L., in part.) — Rich soil, Va. to O. and 111., s. to Fla. and La. Apr.-June. — 

 Climbing tall trees ; a transverse section of the wood showing a cross, 



MARTYNIACEAE (Marttnia Family) 



Herbs, with chiefly opposite simple leaves, and flowers as of the Lentibu- 

 lariaceae, except in structure of ovary and fruit, the former being 1-celled, the 

 latter fleshy-drupaceous, with wingless seeds and thick entire cotyledons. Ovary 

 (in ours) 1-celled, with 2 parietal intruded placentae expanded into 2 broad 

 lamellae or united into a central columella. — Chiefly tropical 



1. MARTYNIA L. Umcorn-plant 



Calyx 5-cleft, mostly unequal. Corolla gibbous, bell-shaped, 6-lobed and 

 iSomewhat 2-lipped. Fertile stamens 4, or only 2. Flesli of fruit at ienL'th 

 falling away in 2 valves; inner part woody, terminated by « 2-horned beali 



