Lepistemo7iopsis.] xc. convolvulace^: (baker and rendle). 117 



the ylobose ovaiy. Capsule globose, about 8 lin. in diam., surrounded 

 by the accrescent calyx. — Hallier f. in Ann. Istit. Bot. Ptoma, vii. 229. 



Wile Land. Galla Country : Mons Ciaffa, Siva, 568. 



Mozamb. Dist. German East Africa: Kilimanjaro; Marangu; 5000 ft., 

 Volkens, 1229, 2353. 



23. C AXON YCTION, Choisy in Mem. Soc. Geneve, vi. 441 ; 

 Hallier f. in Bull. Herb. Boiss. v. 1026. 



Sepals rather cartilaginous, glabrous or with large fleshy spreading 

 bristles, closely adpressed to the corolla-tube, long awned or blunt ; 

 equal or the outer shorter. Corolla large, white or lilac, hypocrateri- 

 form, rarely campanulate, glabrous. Stamens and styles exserted or 

 included. Ovary glabrous, 2-celled, 4-ovuled ; stigma biglobose. 

 Capsule 4-valved, 4-seeded. — Climbing herbs. Leaves thin, herbaceous, 

 generally glabrous, cordate, sometimes angular or palmately o-9-lobed. 

 Flowers peduncled in the leaf-axils, solitary or in monochasial or 

 dichasial cymes. Pedicels short, thick clavate, containing a copious 

 milky juice, becoming enlarged and fleshy in fruit. 



Species 6-7 in the hotter parts of America ; two species subspontmieous almost 

 everywhere in the tropics. 



Corolla white, hypocrateriform . . . . . 1. C. speciosum. 



Corolla lilac, tubular below, becoming funnel-shaped 



above . . . . . . . . 2. C. muricatum. 



1. C. speciosum, Choisy in Mem. Soc. Phys. Geneve, vi. 441, t. 

 I. Jig. 4 (excl. var. b). Stems climbing widely, smooth or muricated. 

 Leaves cordate-ovate, long acuminate, apex obtuse, conspicuously 

 mucronate, entire in old world specimens, 4-6 in. long, 3^-5 in. broad, 

 membranous, glabrous ; petiole about as long as the blade in the adult 

 leaf. Peduncle about as long as the petiole, 1-6-flowered ; flowers 

 generally in a lax cincinnus, rarely dichasial ; bracts small, deciduous. 

 Sepals coriaceous, glabrous, elliptic, the three outer abruptly aristate, 

 including the awn about 8 lin. long, the two inner scarcely aristulate, 

 or mucronate. Corolla hypocrateriform, white, expanding at night ; 

 tube cylindric, 3-4 in. long, 2-3 lin. in diam., expanded limb 4-6 in. 

 in diam. Capsule large, ovoid, brown, tipped by the persistent woody 

 conical style base, 1 in. long without the mucro. Seeds glabrous, dark 

 brown, 4 lin. long, and as broad. — Choisy in DC. Prodr. ix. 345 (excl. 

 var. /3), Hallier f. in Engl. Jahrb. xviii. 153 ; Hiern in Cat. Afr. PI. 

 Welw. i. 742 ; Benth. in Hook. Niger Fl. 465. G. Bona-nox, Bojer, 

 Hort. Maur. 227; Hallier f. in Bull. Herb. Boiss. v. 1028. Ipomcea 

 Bona-nox, Linn. Sp. PI. ed. ii. 228. /. grandijiora, Lam. 111. i. 467 

 as to syn. Rheede. 



Upper Guinea. Senegambia, Lejjrieur. Sierra Leone : cultivated near 

 Kambia, Scott-Elliot, 4344 ! and at Falaba, Scott-Elliot, 5444 ! Lagos, Rowland / 

 Millen, 88 ! Millson ! Southern Nigeria : Old Calabar, Mann, 2324 ! Ibu, Vogel, 

 38 ! Cameroons : Barombi, Preuss, 510 ! Yaunde, Zenker Sf Staudt, 635 ! 



Nile Land. G-allabat, ScJiiveinfarth, 2184. 



