Ipomwa.] XC. CONVOLVULACE.E (baker akd rendle). 185 



G. Don {Convolvulus albovenius, Lindl. in Bot. Reg. t. 1116), with which it is united 

 by Halliei 1 in Engl. Jahrb. xxviii. 51. It differs in its subequal sepals (in the South 

 African species the inner are longer than the outer) and the broader tube of tbe 

 darker coloured corolla ; also in the darker colour of the tomentum on the back of 

 the leaf. 



116. I. Grantii, Oliver in Trans. Linn. Soc. xxix. 116, t. 80. 

 Perennial. Stems rather stout, angular, obscurely pubescent. Leaves 

 ovate, slightly cordate, 3-4 in. long and broad, entire or shallowly 

 lobed, base subtruncate, subcoriaceous, green, glabrous, and bullate 

 above, matted with white pubescence beneath, both on the raised veins 

 and cross-veinlets ; petiole 2-3 in. long. Peduncles short ; flowers 

 several in a lax cyme ; pedicels about -| in. long, thickening upwards, 

 finely tomentose. Calyx h in. long ; sepals suborbicular, truncate at 

 the apex, covered with fine white tomentum. Corolla funnel-shaped, 

 bright red-purple, 3 in. long. Fruit and seeds not seen. — Hallier £. in 

 Engl. Jahrb. xviii. 151, and xxviii. 51. 



Wile Land. Uganda : Unyoro forests, Speke Sf Grant, 559 ! 



Var. palmati-pinnata, H-.illier f. in Engl. Jahrb. xxviii. 51. Leaves deeply pal- 

 mati-pinnatifid, 7- to 9-lobed. — I. Emini, Hallier f. in Engl. Jahrb. xviii. 150 ; 

 Dammerin Engl. Pfl. Ost-Afr. C. 332. 



Wile Land. Uganda: AUmyoiryo, Stuhlmarin, 1360; Mawakota, 3900 ft., 

 Brown, 154 ! 



Mozamb. Dist. German East Africa : Urambo, Hannington ■ Myombo ; a 

 day's march from Salanda, Trotha, 164 ; Gonda (Igonda), Bohm, 105a, 109a ; 

 Minima, Stuhlmann, 4603; Simiu River, Fischer, 411. 



117. I. Buchanani, Baker in Kew Bulletin, 1894, 73. Stems 

 shrubby, wide-climbing, pubescent. Leaves ovate, entire, deeply cor- 

 date, minutely cuspidate, reaching a length and breadth of 5-6 in., 

 finely pubescent above, densely pubescent beneath ; petiole 3-6 in. long. 

 Cymes laxly few-flowered ; peduncle generally stout, up to 6 in. long, 

 pubescent like the stem ; pedicel about i in. long. Flower calyx 4-5 

 lin. long ; sepals orbicular, much imbricate. Corolla red, 3 in. long, 

 shallowly lobed, funnel-shaped, with a broad tube widening to f in. 

 below the limb ; midpetaline areas well defined, glabrescent except at 

 the pubescent apex. 



IVXozamb. Dist. British Central Africa : Nyasaland, Buchanan, 319 ! 682 ! 



118. I. pringsheimiana, Rendle. A climber with woody stem; 

 whole plant white-puberulous. Leaves exactly cordate, subobtuse, up 

 to 4| in. long and as broad ; petiole up to 3§ in. long. Peduncle 

 robust, up to oh in. long; cyme dichotomous, many-flowered ; bracts 

 elliptic, blunt, shortly apiculate, barely | in. long; pedicels short, 

 white tomentose like the backs of the sepals. Sepals subequal, orbi- 

 cular, 4-5 lin. long. Corolla funnel-shaped, with rapidly broadening 

 tube and wide-spreading lobed limb, rose-coloured, 3 in. long and 

 broad ; midpetaline areas becoming tomentose above the middle in the 

 unopened corolla, otherwise glabrous. Stamens subequal ; filaments 



