VERBENACE&. 



273 



base. Style i. Fruit a woody or coriaceous 2-valved, many- 

 seeded pod. Seeds winged. 



( Climbers Tecoma. 

 BIGNONIACE^ 



( Trees Catalpa. 



1. Tecoma. Calyx campanulate, 5-toothed. Corolla funnel-form, 

 with a 5-lobed limb, somewhat bilabiate. Stamens didynamous. Cap- 

 sule long and narrow, 2-celled, 2-valved. Seeds winged. 



T. RADICANS {Trumpet Creeper). Stem woody, climbing by means of 

 rootlets ; leaves pinnate ; leaflets 5-11, ovate, acuminate, dentate ; flowers 

 corymbed ; corolla large, 2'-$' long, orange and scarlet, very showy ; sta- 

 mens included. July-August. 



2. Catalpa. Calyx 2-lipped. Corolla campanulate ; tube inflated ; 

 limb irregular. Stamens 5, 2 only usually have anthers. Stigma 

 2-lipped. Capsule long and slender, 2-celled. 



C. BIGNONIOIDES {Catalpa). Leaves cordate, or ovate-cordate, acumi- 

 nate, entire ; flowers in compound panicles, white, tinged and spotted with 

 purple and yellow, large and showy ; calyx-teeth mucronate ; capsule cylin- 

 dric, pendent, 6'-i2' long. June-July. 



Order LXI. VERBENACE.E ( Vervain Family}. 



Herbs, shrubs ; or trees in the tropics. Leaves usually oppo- 

 site, without stipules. Calyx tubular, free from the ovary, 4-5- 

 cleft, persistent. Corolla tubular ; the limb bilabiate, or with 4-5 

 more or less unequal lobes. Stamens 4, didynamous, sometimes 

 only 2. Ovary entire, 2-4-celled, rarely I -celled, each cell with I 

 ovule. Style i. Fruit separating into 2 or more indehiscent i- 

 seeded portions, rarely a single achenium. 



A large, chiefly tropical order, represented here chiefly by Ver- 

 bena, of which we have several native and exotic species. 



( Fruit 4 achenia Verbena. 

 VERBENACE^E.-j 



( Fruit i-seeded Phryma. 



I. Verbena. Calyx tubular, 5-toothed. Corolla funnel-form ; 

 limb with 5 slightly unequal lobes. Stamens 4, rarely 2, included. 

 Style slender. Stigma capitate. Fruit splitting into 4 achenia. 



1. V. HASTATA (Blue Vervairi). Stem tall, erect, with a few opposite 

 branches above ; leaves lanceolate, sharply serrate ; flowers sessile, in dense, 

 slender, erect spikes, usually arranged in terminal panicles ; corolla purplish 

 blue ; stamens 4. In low grounds, 3-5 feet high. July-September. 



2. V. URTICIFOLIA (Nettle-leaved Vervain). Stem tall, erect, branch- 

 ing ; leaves ovate, or oblong-ovate, acute, coarsely serrate, strongly nerved ; 



