394 LXXXIX. PEDALIACE^. MARTYNIA. 



1. T. RADICANS. Juss. (Bignonia radicans. Linn.) Trumpet Flower. 



Climbing by radicating tendrils ; Ivs. unequally pinnate ; Ifts. 4 5 pairs, 

 ovate, acuminate, dentate-serrate, puberulent beneath along the veins ; corymbs 

 terminal ; cor. tube thrice longer than the calyx ; sta. included. A splendid 

 climber in woods and thickets, along rivers. Penn. to Flor. W. to 111. ! Stem 

 20 80f! in length, ascending trees. Leaves 10 15' long, leaflets 2 3' by 

 1 2'. Flowers ' long, of a bright, scarlet red. Fruit about 3 ; long, curved. 

 One variety has yellow-scarlet flowers, another bright scarlet. Jn. Aug. f 



2. T. GRANDIFLORA. Delaun. (Bignonia Chinensis.) Chinese Trumpet-flow- 

 er. Climbing, glabrous ; Ivs. unequally pinnate, Ifts. 3 5 pairs, ovate-acumi- 

 nate, dentate-serrate; panicle terminal; pedicels nodding, biglandular; cor. tube 

 scarcely longer than the 5-cleft calyx. Native of China and Japan. Flowers 

 of a rich scarlet, shorter and broader than in T. radicans. -f- 



2. CAT ALP A. Scop. 



Calyx 2-parted ; corolla campanulate, 4 5-cleft, the tube inflated ; 

 stamens 2 fertile, 2 or 3 sterile ; stigma 2-lipped ; capsule 2-celled, 

 long, cylindric. Trees. Lvs. opposite or ternate-verticillate, simple, pe- 

 tiolate. Panilces terminal. 



C. BiGNONiolDES. Walt. 1788. (C. cordifolia. Jaum.} Catalpa. 



Lvs. membranaceous, ovate-cordate, pubescent beneath, acuminate, sub- 

 entire ; branches of 'the panicle di-trichotomous ; cal. lips mucronate. A fine, 

 wide-spreading tree, native in the Southern States, but cultivated in many 

 places at the North, for ornament and shade. In favorable circumstances, it 

 attains the height of 50f, with a diameter of nearly 2f. It exhibits a wide- 

 spreading top, with comparatively few branches. Its leaves are beautifully 

 heart-shaped, and smooth, resembling those of the lilac, but much larger. In 

 color the bark is a light, shining gray. In May it puts forth blossoms in great 

 profusion. Their form is campanulate, color white, with yellow and violet 

 spots. Capsule cylindric, pendent, a foot in length ; seed winged. 



ORDER LXXXIX. PEDALIACE^E. PEDALIADS. 



Herbs mostly strong-scented and glandular-hirsute. Stipules 0. 



Lvs. opposite or alternate, undivided, angular or lobed. Fls. axillary, solitary, large. 



Cor. hypogvnous Jrregular, tube ventricose, limb 3 5-lobed, mostly bilabiate. 



Sta. 4 (with ine rudiment of a 5th), didynamous. 



Ova. ] 2-celled, of 2 carpels. Style 1. Stigma divided. 



Fr. drupaceous or capsular, often 2 4-horned, sometimes with 48 spurious cells formed by the divergent 



Jobes of the placenta cohering with the walls of the pericarp. 

 Sds. few, large, wingless. 



Genera 12, species 27, natives of tropical America, &c. Some of them have been introduced into the 

 United States. 



Genera. 



Corolla 5-lobed. Leaves suborbicular Martynia. 1 



Corolla 3-lobed. Leaves ovate-lanceolate Sesamum. 2 



1. MARTYNIA. 



In honor of John Martyn, botanical author and professor, Cambridge, Eng. 1760. 



Calyx 5-cleft, 2 3-bracteolate at base ; cor. campanulate, tube 

 gibbous at base, limb 5-lobed, unequal ; sta. 5, one rudimentary and 

 sterile, 4 didynamous ; caps, coriaceous, ligneous, 4-celled, 2-valved, each 

 valve terminating in a long, hooked beak. chiefly southern, branch- 

 ing, viscid-pilose. Lvs. opposite, petiolate, subcordate, roundish. 



M. PROBOSCIDEA. Glox. (M. altemifolia. Lam.') Unicorn Plant. 

 Branches mostly decumbent ; Ivs. cordate, entire, suborbicular, villous, up- 

 per ones alternate; fls. on long, axillary peduncles ; beaks much longer than the 

 capsule. Native along rivers, Penn. to La. Stem 1 2f long. Leaves paler 

 beneath. Corolla pale, dull yellow, very large, the limb nearly as broad as the 

 leaves, spotted with brownish-purple. Sta. bright yellow, exserted. Aug. Sept. 



Other ornamental species are M. diandra, flowers pink, spotted with purple ; 

 and M. lutea, flowers deep yellow. 



