﻿63 CON voLVDLACEvE (Baker & Wright). 



III. HEWITTIA, Wight & Am. 



Sepals 5, free to the base, leafy, unequal, the two outer oblong- 

 rhomboid, acute, the three inner smaller. Corolla broadly fuanel- 

 ehaped ; lobes very shoit. Stamens 5, inserted at the base of the 

 corolla-tube. Omry densely pilose, 4-ovuled, with a very incomplete 

 septum; style tiliform ; stigmas 2, ovate. Fruit a 4-valved, 1-celled 

 capsule. Seeds glabrous. 



DiSTRiB. A single species, spread through the Tropics of the Old World. 



1. H. bicolor (Wight, Ic. t. 835) ; stems slender, wide-twining, 

 finely pubescent; leaves cordate-deltoid, entire or obscurely lobed, 

 2-4 in. long, usuiUy acute, membranous, glabrous or pubescent, with 

 rounded basal lobes and a broad .sinus; peduncles shorter (rarely 

 longer) than the leaves, 1-3-flowered ; pedicels very short ; bracts 

 linear, oblong or lanceolate, a short distance from the calyx ; calyx 

 4-6 lin. long; outer sepals broadly ovate, inner oblong, glabrous or 

 slightly pubescent ; corolla white or yellowish, with a purple throat, 

 pilose on the outside, |-1 in. long; capsule pilose, o-4 lin. in diam. 

 C. B. Clarke in Hook. f. Fl. Brit. Ind. iv. 216. H. suUohata, O. 

 Ktintze, Eev. Gen. PI. ii. 441 ; Hallier f. in Engl. Jahrh. xviii. Ill- 

 Shufereia bicolor, Choisy in DC. Prod. ix. 435 ; Fl. d. sen: t. 421. 

 Convolvulus bicolor, Vahl, Symh. iii. 25 ; Bot. Mag. t. 2205. C- 

 involucratun, Ker-Gatd. in Bot. Reg. t. 318, not of others. Ipomcea 

 pandur(pfolia F. Meyer in Drege, Zwei Pflanzengeoqr. JJocumcnte, 

 195. 



Eastern Region: Natal; near the Umlazi River, Drege ! Krauss, 2\.^\ 

 Inauda, TFoocI, 788 ! Cluirmont, TKood, 38381 near Duvbau, Cooper, 2770! and 

 without precise locaiity, Grant. > Gueinzitis, VM, -il? (cs. Hallier /.), Delagoa 

 Bay, Scott ! 



Also iu Tropical Africa, India aud Malaya. 



IV. ASTROCHLiENA, Hallier f. 



Calyx deeply 5-lobed, hairy outside. Corolla funnel-shaped, 

 almost entire, central areas bounded by two conspicuous nerves. 

 Stamens about half as long as the corolla .; anthers 2-lobed at the 

 base ; pollen spherical, with pores and spines scattered all over its 

 surface. Ovary subglobose, 2-celled, 4-ovuled ; style slender; 

 stigmas 2, linear-oblong, granular. Fruit capsular. Seeds clothed 

 with short or cobAvebby hairs. 



Herbs or subshrubs covered with soft stellate h.iirs ; stem usually simple; 

 leaves petiolate, entire; flowers small or medium-sized, purple or whitish from a 

 purple base. ^ ^ 



DisTKiB. Species about 10, all Tropical African ; 1 cxteuding to South Africa. 



