242 PEDALIACE.E. 



1. TECOMA. Juss. Trumpet Flower. 



(Etymology unknown.) 



Calyx campamilate, 5-toothed. Corolla with the tube short ; 

 the limb 5-lobed, equal or somewhat 2-lipped. Stamens 4, 

 didynamous, with the rudiment of a fifth. Capsule 2-celled, 

 2-valved ; dissepiments contrary to the valves. Seeds winged. 

 T. radicans Juss. : stem creeping ; leaves pinnate ; leafets in 4 5 pairs, 

 ovate, acuminate, toothed-serrate, pubescent on the nerves beneath; tube 

 of the corolla three times as long as the calyx. Dignonia radicans Linn. 



Banks of streams. Penn. to Flor. W. to Miss. July, Aug. \i- Creeping 

 on rocks and trees. Flowers 2 3 inches long, scarlet, in a terminal corymb. 



Ash-leaved Trumpet-flower. 



2. CATALPA. Juss. Catalpa. 

 (Said to be a corruption of Catawba, the Indian name of this tree.) 



Calyx 2-parted. Corolla campanulate ; tube ventricose ; 

 limb 5-lobed, unequal. Stamens 2 fertile, 2 3 sterile. Stigma 

 in 2 plates. Capsule pod-form, long, cylindric, 2-valved ; dis- 

 sepiments opposite the valves. Seeds membranaceously winged, 

 laciniate at the summit. 



C. cordifolia Ell. : leaves roundish-cordate, acuminate, entire, petiolate ; 

 flowers panicled. C. syringcefolia Sims. Dignonia Catalpa, Linn. 



Fields, near houses, &c. N. Y. to Flor. and throughout the Western and 

 Southwestern States. July. A large tree with irregular branches. Leaves 

 large, smooth above, somewhat pubescent beneath, on long petioles. Flowers 

 large, white, variegated with yellow and purple, in large pyramidal panicles. 

 Probably introduced, as it is generally found in the vicinity of habitations, 

 Indian encampments, &c. Common Catalpa. Bean Tree. 



ORDER LXXXIII. PEDALIACEJE. PEDALIADS. 



Calyx divided in 5 nearly equal pieces. Corolla irregular; 

 the throat ventricose, the limb somewhat 2-lipped. Stamens 4, 

 didynamous, (2 sometimes sterile,) with the rudiment of a fifth. 

 Ovary seated in a glandular disk, 1 or 2-celled, sometimes with 

 spurious cells ; style 1 ; stigma divided. Fruit drupaceous or 

 capsular. Seeds usually few, wingless, without albumen. 

 Herbaceous plants, mostly covered with glandular hairs. 

 Leaves opposite or alternate, often angular or lobed, without 

 stipules. Flowers usually large, axillary. 



MARTYNIA. Linn. Martynia. 



(In honor of John Marlyn, Professor of Botany in Cambridge, Eng.) 

 Calyx 5-cleft, campanulate, gibbous at base ; the limb un- 



