21. 



BIGNONIA RADICANS. 



Ash-leaved Trumpet-flower. 



DiDYNAMIA. AnGIOSPERMIA. 



Class 14. Order 2. 



BiGNONiA : SO named by Tournefort in compliment to Abb^ Bignon, 

 librarian to Louis XIV, 



Lin7i. gen. n. 759. Litm. spec. 871. 



GENERIC CUARACTER. 



Cal. Perianth one-leafed, erect, cup-form, five-cleft. Cor. mono- 

 petalous, campanulate. Tube very small, the length of the calyx. 

 Throat very long, ventricose beneath, oblong-campanulate. Border 

 five-parted, the two upper divisions reflex, lower patulous. Stam. 

 Filaments four, subulate, shorter than the corolla; two longer than 

 the other two. Anthers reflex, oblong, as it were doubled. Pist. 

 Germ oblong. Style filiform, situation and form of the stamens. 

 Stigma capitate. Per. Silique two-celled, two-valved ; partition 

 membranaceous, parallel, thickened at the sutures. Seeds very 

 many, imbricate, compressed ; membrane winged on both sides. 



SPECIFIC CHARACTER, 



Leaves pinnate; leaflets gashed, Sfem with rooting joints. 



Branches long and pliant, putting out fibres at their joints 

 for the purpose of attaching themselves to whatever they are 

 growing upon. Leaves opposite at every joint. Leaflets in 

 four pairs, terminating by an odd one ; they are serrate, and 



