MARTYNIACEAE (MAUTYNIA FAMILY) 741 



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



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



8. Bignonia. Pod flattened parallel with the partition. Leaves compound, tendril-bearing. 



1. 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, climbing 

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



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

 9-11, 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. Aug. , Sept. 



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 name.) 



1. C. speciosa Warder. (CATAWBA TREE, CIGAR TREE.) A large and 

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

 3.6-5 cm. long, nearly white, inconspicuously spotted, with obconical tube and 

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

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



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

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

 lower lobe; capsule much thinner. (C. Catalpa 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 (MARTYNIA FAMILY) 



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

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

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

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

 lamellae or united into a central columella. Chiefly tropical. 



1. MARTYNIA L. UNICORN-PLANT 



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

 somewhat 2-lipped. Fertile stamens 4, or only 2. Flesh of fruit at length 

 falling away in 2 valves; inner part woody, terminated by a 2-horned beak, 



