660 ARBORETUM ET FRUTICETUM BRITANNICUM. 



ORDER LIT. BIGNON/^fC^^. 



ORD. CHAR. Calyx divided or entire. Corolla tubular, generally irregular, 

 4, 5-lobed. Stamens 5, but either 1 or 3 of them are sterile. Ovarium 2- 

 celled, guarded by a glandular disk. Stigma bilamellate. Capsule 2-valved, 

 2-celled. Dissepiment parallel or contrary. Seeds compressed, winged. 

 Albumen none. The structure of the fruit and placentation of the seeds 

 readily distinguish this order from its allies. (G. Don.) 



Leaiies simple or compound, opposite, exstipulate, deciduous or sub- 

 evergreen ; serrated or entire. Flowers terminal and axillary. Shrubs, 

 climbing by tendrils ; natives of North America and China. 



The genera which contain hardy species are thus distinguished : 



BiGNO N N//4 Tourn. Calyx 5-toothed. Dissepiment of the fruit parallel. 

 TE'COMA Juss. Calyx 5-toothed. Dissepiment of the fruit contrary. 

 CATA'LPA Juss. Calyx 2-parted. Dissepiment of the fruit parallel. 



GENUS I. 



BIGNO v N/y* Tourn. THE TRUMPET FLOWER. Lin. Syst. Didynamia 

 Angiosplrmia. 



Identification. Tourn. Inst., 72. ; Don's Mill., 4. p. 216. 



Synonymes. Bignone, Fr. ; Trompetenblume, Ger. ; Bignonia, Ital. 



Derivation. Named by Tournefort in compliment to Abbd Bignon, librarian to Louis XIV. 



Gen. Char., fyc. Calyx campanulate, 5-toothed, rarely entire. Corclla with a 

 short tube, a campanulate throat, and a 5-lobed bilabiate limb. Stamens 4, 

 didynamous, that is, 2 long and 2 short; with the rudiment of a fifth. 

 Lobes of anthers divaricate. Stigma bilamellate. Capsule silique-formed, 

 2-celled ; having the dissepiment parallel with the valves. Seeds disposed 

 in 2 rows, imbricate, transverse, with membranous wings. (Don's Mill.) 



Leaves compound, opposite, sub-evergreen ; conjugate, stipulate, tri- 

 foliolate. Flowers axillary, usually panicled. Shrubs, usually scanderit, 

 furnished with tendrils. The only hardy species is a deciduous climber, a 

 native of North America ; and easily propagated by cuttings of the roots, 

 or shoots, in common soil. 



1 1. B. CAPREOLA'TA L. The tendriled Bignonia, or Trumpet Flower. 



Identification. Lin. Sp., 870. ; Hort. Cliff., 317. ; Don's Mill., 4. 



'p. 217. 

 Engravings. Bot. Mag., t. 864. ; and our fig. 1286. 



Spec. Char., $c. Climbing. Leaves conjugate ; leaflets 

 cordate-oblong ; lower ones simple. Tendrils small, 

 trifid ; the lobes bifurcate. Peduncles axillary, 1- 

 flowered, crowded. Calyx entire. Corollas reddish 

 yellow. Follicles flattened, 1 ft. long. (Don's Mill.) 

 A climbing deciduous shrub. North America, in 

 the more southern parts. Stem 15 ft. to 20 ft. 

 Introduced in 1710. Flowers orange brown; June 

 and July. 



A very ornamental wall climber, but it requires a 

 sheltered situation and favourable exposure, in order 

 to flower freely. In sheltered situations, in a climate 

 not colder than that of London, it forms a very desirable shrub for covering 

 latticework, either forming the support of a verandah, or the sides and roof 

 of a berceau or bower. 



