152 xc. convolvulace,e (baker and rexdle). [Ipomcea. 



subspathulate, obtuse. Calyx barely 6 lin. long : outer sepals spathu- 

 late-oblong, the inner lanceolate. Corolla-tube slender, cylindrical, 

 1 in. long ; limb spreading, about 1 in. in diam. Capsule small, globose, 

 fragile, glabrous. Seeds glabrous or thinly pubescent. — Wight, Ic. t. 

 1363; Choisy in DC. Prodr. ix. 365. 



Nile Land. Jur : Jur Ghattas, Schiveinfurth, ?er. iii. 1 ] 

 Mozamb. Dist. British Central Africa: Urimgu ; Fwambo, Carson! 

 Nyasaland : Lake Nyasa, Simons ! and without precise locality, Cameron, 1 ! 



Also Tropical Asia and the Mascarene Islands. The corolla-tube is much narrower 

 than in /. involucrata, with which it is united by Hallier, and the sepals also differ 

 in shape. 



42. I. crepidiformis, Rattier f. in Engl. Jahrb. xviii. 131. Annual, 

 erect, branched, almost with the habit of C'repis ; stem 2 ft. long,with laxly 

 leafy branches, clothed with adpressed hairs, somewhat silkily strigose 

 at the apex. Leaves shortly petioled, linear-lanceolate to oblong, acute 

 or obtuse, entire, 2-2J in. long, 3-9 lin. broad, sparsely pilose above 

 at first white-silky beneath, sparsely pilose when mature. Flowers 

 congested in small dense heads, with rigidly erect, rather slender, sub- 

 erect or ascending peduncles, about 3 in. long ; bracts small, setaceous, 

 long ciliate. Sepals lanceolate, broader and rather longer than the 

 bracts, tapering at the apex, 3 lin. long, white-silky with a conspicuous 

 green lip. Corolla rose-red, above 1 in. long ; midpetaline areas minutely 

 silky outside, and limited by a more deeply coloured nerve. — Hallier f. 

 in Engl. Jahrb. xxviii. 31. /. tavganyikensis, Baker in Kew Bulletin, 

 1595, 70. 



Mozamb, 35ist. German East Africa : Uniamwezi ; Gonda (Igonda), 

 Bohm, 265; Masai Steppes, Stuhlmann, 93; Ugogo, Stuhlmann, 344. Lake 

 Tanganyika, Cameron ! British Central Africa : Urungu ; Fwambo, Carson, 73 ! 



Var. minor, Rendle in Jo urn. Bot. 1901,20. — Shoots reddish, up to 9 in. long and 

 llin. thick; upper leaves reaching 1^ in. long by \ in. broad — /. taborana, Danrmer 

 in Engl. Pfl. Ost-Afr. C. 333 (plant "not seen). 



KTile Land. British East Africa: Machakos, 5000-6000 ft., Scott-Elliot, 

 6391! 



Mozamb. Dist. German East Africa: Uniamwezi; Tabora, Stuhlmann, 595. 



43. I. microcephala, Hallier f. in Engl.. Jahrb. xviii. 131. Annual. 

 Stems erect, simple, densely leafy, i-1 ft. long. Leaves subsessile, 

 elliptic-lanceolate, acute, f— 1^ in. long, 6 lin. broad, minutely hairy 

 above, shining white-silky beneath. Flowers in dense globose heads 

 on long peduncles. Sepals narrow and ciliate, just like the bracts. 

 Corolla under 1 in. long, 5 lin. in diam. — Hallier f. in Engl. Jahrb. 

 xxviii. 31. 



Nile Land. Somaliland : Alghc, Riva, 1319. 



IVXozamb. Bist. German East Africa : Kagehi, Fischer, 413. 



Very near /. crepidiformis, Hallier f., but, according to the author, easily 

 distinguished by its lower dense growth, elliptic leaves with their silvery under- 

 gurface and small flowers. It it evidently very near to the var. minor, but differs 

 in its much broader leaves. 



