100 xc. cosrvoLVULACEiE (baker and rendle). [Calystegia. 



the base. Corolla broadly carnpanulate, nearly 1 in. long and broad. 

 Filaments dilated at the base. Ovary oblong, 1-celled. Stigmas 

 lanceolate. — Ohoisy in DC. Prodr. ix. 434. Hallier f. in Engl. Jahrb. 

 xviii. 111. C. abyssinica, Engl. Hochgebirgsfl. Trop. Afr. 347. 



Nile Land. Abyssinia : near Mamberke, 5700 ft., Schimver, 1357 ! 



Also in India, China, and Japan. 



Imperfectly known species. 

 2. C. ochroleuca, Bojer, Rort. Maurit. 231. A perennial climber. 



Mozamb, Dist. Zanzibar, ex Bojer. 

 Probably not a Calystegia. 



18. HEWITTIA, Wight et Arn. ; Benth. et Hook. f. Gen. PL ii. 873. 



Sepals foliaceous, unequal, outer much broader than the inner. 

 Corolla carnpanulate, not lobed, 5-angled, plicate. Stamens inserted 

 low down in the corolla-tube ;• filaments dilated at the base ; anthers 

 oblong. Pollen smooth, polyhedral. Ovary hairy, 1-celled with an 

 imperfect septum, 4-ovuled ; style filiform ; stigmas 2, ovate-oblong. 

 Capsule globose, 4-valved. Seeds dark, glabrous.— A climbing perennial 

 herb, with more or less ovate-cordate leaves and rather small flowers 

 singly or in small clusters, pale yellow or white, with a purple eye. 



A single species spread through the tropics of the Old World, reaching Natal 

 and Madagascar. 



An earlier name for this genus is Shutereia, Choisy in Mem. Soc. Phys. Geneve, 

 vi. ii. (1834), 486, Reivittia, having been published in 1837 (Madras Journ. Lit. and 

 Sci. v. 22). The earlier name is not adopted, as it is too much like Shuteria, a 

 genus of Leguminosce, published by Wight & Arnott in the same year (Prodr. 207), 

 but presumably earlier in the year. 



1. H. bicolor, Wight in Maclr. Journ. Sci. v. 22. Stems slender, 

 twining, herbaceous, more or less pubescent. Leaves cordate -ovate, 

 acute or obtuse, base entire or forming a pair of blunt-rounded lobes, 

 sometimes grossly dentate, 2-5 in. long, green and varyingly pubescent 

 on both surfaces ; petiole 1-2 in. long. Flowers 1 or few in a dense 

 head, on a long or short peduncle ; bracts small, foliaceous, persistent. 

 Calyx more or less hairy, about 6 lin. long ; sepals herbaceous, lower 

 portion paler, upper green foliaceous ; outer ovate, inner lanceolate. 

 Corolla 1 in. long, yellow, with a purple eye ; midpetaline areas densely 

 hairy. Capsule small, subglobose, hairy, 3 lin. in diam. — Benth. in 

 Hook. Niger Fl. 468 ; Klotzsch in Peters, Reise Mossamb. Bot. 242 ; 

 Oliver in Trans. Linn. Soc. xxix. 117 ; Baker & Wright in Dyer, Fl. 

 Cap. iv. ii. 68. H. asarifolia, and H. hirta, Klotzsch I.e. H. sublobata, 

 O. Kuntze, Rev. Gen. ii. 441; Hallier f. in Engl. Jahrb. xviii. Ill; 

 Durancl & Schinz, Etud. Fl. Congo 203. H. barbeyana, Chodat & 

 Roulet in Bull. Herb. Boiss. i. 192. Convolvulus bicolor. Yahl, Symb. 

 iii. 25. C. involucratus, Willd. Sp. PL i. 845 ; Schum. & Thonn. Beskr. 

 Guin. PL 93. Shutereia bicolor, Choisy in Mem. Soc. Phys. Geneve, vi. 



