﻿Rhigozum.] bignoniace^ (Sprague). 453 



long, roughly triangular with a pilose mucro ; corolla yellow, glab- 

 rous; tube 5-6 lin. long, campanulate above, lower cyliiidric portion 

 exceeding the calyx; limb f in. across; lobes orbicular, 3^- lin. in 

 diam., crenulate; stamens inserted 4-4} lin. above the base of the 

 corolla-tube; filaments 2 lin. long; anthers exserted, 2A-3 lin. long, 

 beaked above; ovary 1 lin. long; capsule elliptic-oblong, 1a in.' 

 long, 5i lin. broad, beak 1| lin. long ; nucleus of seed elliptic ; 

 hyaline wing l-L} lin. broad, 



Eastehn Region: Delagoa Bay, i'or&e*.' 

 Also in Tropical Africii . 



IV. CATOPHRACTES, 1). Don. 



Calyx tubular, shortly split down one side, terminated by 

 ^ linear teeth. Corolla funnel-shaped with a long eylindrie tube ; 

 limb subbilabiate ; lobes 6 (more rarely 6-7), spreading. Stamens 

 as many as the corolla-lobes, all perfect, subincluded ; anther-lobes 

 connate above, free and parallel below. DUc cupular. Ovary 

 contracted at the base ; ovules few, 2-seriate in each cell. Capsule 

 filliptic or elliptic-oblong, slightly compressed parallel to the septum ; 

 valves boat-shaped, woody, sharply warted. 



DiSTKiB. Species 1, found also in Tropical Africa. 



1. C. Alexandri (D. Don in Ann. Nat. Hist. ii. (1839) 375); an 

 erect spiny shrub, 4-G ft. high, branched from the base ; branches 

 divaricate, glabrous ; leaves simple, fascicled, densely tomentose ; 

 petiole 1-21 lin. long ; blade obovate or oblong, i-l^^- in. long, 

 2-8 lin. broad, crenate, with conspicuous lateral veins; flowers 

 lateral, fascicled; calyx densely tomentose outside; tube 1-lJ in. 

 long, shortly split down one side, ribbed; teeth 3-4 lin. long; 

 corolla white; tube 2-2|^ in. long, with a broad villous band inside 

 ■below the origin of the filaments; limb l|-2}.in. across; lobes 

 suborbicular, 9-14 lin. in diam. ; filaments either adoate for their 

 whole length or the up[)er } in, free; anthers 2}-3 lin. long, tlieir 

 tips exserted from the coroila-tubc ; ovary ovoid, 1} lin. long^ 

 scabrous with scurfy thick-based hairs ; style slightly longer than 

 the stamens in the flowers with adnate filaments, slightly shorter in 

 those with free filaments, very sparsely villous below the middle; 

 caps ale l-i-3 in. long, 9-14 lin. broad, shortly beaked ; nucleus of 

 seed suborbicular; hyaline wing 2-3 lin. broad. Proc. Llmi. Soe. i. 

 (1839) 4; Trans. Linn. Soc. xviii. (1841) 307, f. 22 ; DC. Prodr. 

 ix. 233; Kuntze in Jahrb. Pot. Gart. Perl. iv. (1886) 270; Engl 

 in Engl. Jakrl. x. 255 ; K. Schum. in Engl. <Sf Prantl, Pflamenf. 

 iv. 3B, 233. C. Welwitsehi, Seem, in Journ. Bot. 1865, 331, t. 

 39. a kolheana, Harv. Gen. S. Afr. PI. ed. ii. 276. 



VVfcsTEKN EeGION : Great Nainaqualand ; Kt^i Kiii\\-> Dc&crt, Ale, awhr. 

 Kaiahari Region : Transvaal ; Todd ! 



