258 THE FLORA. 



12 U. stria'ta. Scape If., with 2-6 fls. Cor. upper lip stmate with red ; Ivs. forked. 



13 U. biflo'ra. Scape 5', with 2 fls. Lvs. root-like, capillary, with many bladders. 



14 U. gibba. Scape 2-3', with 1-2 fls. Lve. hair-like, with few bladders. Spur gibbous. 



Oeder LXXXII. OROBANCHACE^. Broom-rapes. 



Herhs without green foliage, growing on the roots of other plants ; 

 flowers irregular, monopetalous, with 4 (didynamous) stamens ; 

 ovary free from the calyx, 1-celled, with 2 or 4 parietal placentae ; 

 capsule enclosed within the withered corolla, with very many seeds. 



Genera. 



1 EPIPHE'GTJS Virginia'na. Beech-drops. A smooth, dull red, leafless plant, If., with 



gessile flowers all aloiii^- the branches. Upper fls. sterile. Grows in Beech woods. 



2 OONOPH'OLIS America'na. Squaw-root. A simple, thick, short stem covered with 



scales, the flowers in the axils of the upper. Calyx split down in front. Yellowish. 



3 PHELIP.S]'A Ludovicia'na. A branched, thick, scaly, downy stem 6-12', with the fls. 



all perfect, in crowded spikes. Calyx 5-toothed. Corolla lips subeqiial. Illinois. 



4 APHYL'LON. Broom-rape. Stems underground, sending up peduncles or scapes 5', 



each bearing a nodding purplish flower, with a curved tube and spread limb. 



Order LXXXIII. BIGNONIACEJE. Trumpets. 



Plants with opposite leaves., destitute of stipules, often climbing ; 

 flowers gamopetalous, irregular, 5-parted, showy ; 

 stamens 5, but only 2 or 4 of them perfect, and didynamous ; 

 ovary 2-celled, with 1 style, forming a dry pod with winged seeds. 



Analysis of the Genera. 



Stamens 4. Pod valves and partition contrary. Leaves pinnate. Teco'mia. 1 



Stamens 4. Pod valves and partition parallel. Leaves binate. Bigno'nia. 



Stamens 2. Pod straight, cyliadric. Trees. Leaves simple. Catal'pa. 2 



1. TECO'MA. Trumpet flower. 



Calyx bell-sLaped, 5-toothed. Corolla trumpet-shaped, with a 5-lobed, 

 nearly regular limb. Stamens didynamous, 4, with the 5th a small rudi- 

 ment. Pod with the partition contrary to the valves. — Trees or shrubs, 

 often climbing. Leaves digitate or pinnate. Flowers red. 



