158 xc. convolvulace^e (baker and rendle). [Ipomcea. 



spotted. — Wight, Ic. t. 1364; Klotzsch in Peters, Reise Mossamb. 

 Bot. 239; Hallier f. in Engl. Jahrb. xviii. 133 and xxviii. 32. I. 

 arachnoidea, Bojer, Hort. Maurit. 228 ; Choisy in DC. Prodr. ix. 364. 

 Convolvulus Wightii, Wall. PI. Asiat. Ear. t. 171. 



Nile Land. Uganda, 4000-7500 ft. ; Kaviron'do : Nandi and neighbourhood, 

 Whyte ! Eldama Ravine and Mau, Whyte ! Busoga Villages, Whyte ! second and 

 third days' march from Mumias, Whyte! Near Chulema, Bagshaice, 362! British 

 East Africa : VVaturuma (Duruma), Kcissner, 142 ! Nairobi, Percival ! 



Mozamb. Dist. Zanzibar, Bojer ! German East Africa : Ugweno Mountain, 

 near Kilimanjaro, Volkens, 507 ! Usambara, Hoist, 333. Portuguese East Africa : 

 Zambesi, Stewart ! Shupanga, Kirk ! Bios de Sena, Peters ! British Central 

 Africa : Boruma, on the Zambesi, Ilenyharth, (1088 ?) ! Nyasaland ; Mount 

 Chiradzulu, Whyte ! Bhodesia : Bulawayo, Rand, 555 ! 



Also in South Africa, Madagascar, Natal, and Tropical Asia. 



56. I. garckeana, Vatke in Linncea, xliii. 512. Stems terete, 

 clothed on the upper part with adpressed hairs. Leaves cordate, 3- 

 lobed, up to 1h in. long and 1| in. broad, green and adpressed 

 hairy above, clothed with white tomentnm beneath ; lateral lobes 

 obtuse ; terminal emarginate and mucronate, all crenate ; petiole up to 

 2h in. long. Peduncle sparsely pilose, 7 in. long. Flowers about six in 

 a dense head ; bracts linear, from a broader base, subacute, long-hairy 

 like the sepals. Sepals unequal, linear-subulate, subacute, above 8 lin. 

 long. Corolla funnel-shaped, white with a purple throat, nearly an inch 

 long and broad. Fruit and seeds unknown. — Hallier f . in Engl. Jahrb. 

 xviii. 134. 



Nile Land. British East Africa : Duruma; Tchamtei, Hildelrandt, 2344. 



57. I. whyteana, Rendle. Stem rather woody, long prostrate, 

 tinged with red, shortly strigose, hairs whitish or with a faint yellow 

 tinge. Leaves uniform in outline, deeply trilobed, about 6 lin. 

 long by 1 in. or a little more broad, margin crenate, end lobe with 

 retuse and mucronulate margin, and rounded sides, lateral lobes sub- 

 orbicular ; upper surface rather densely strigose, lower surface covered 

 with a dense white tomentum except on the veins which stand out as 

 brown lines bearing short yellowish white hairs ; petiole slender, 1 in. 

 long or less, hairy like the stem and peduncles. Peduncles axillary, longer 

 than the leaves, about 2 in. long, bearing small dense hairy capituliform 

 cymes, 6-8 lin. in diam. Bracts lanceolate, abruptly acuminate, the 

 outer about 3 lin. long, the back and margin bearing long whitish or 

 yellowish-white hairs. Sepals lanceolate to linear-lanceolate, acuminate, 

 herbaceous with margins colourless, back and margins densely hairy 

 like the bracts, 4 lin. long, the outermost and broadest a little over 

 1 in. broad. Corolla withered, apparently about 1 in. long, funnel- 

 shaped, purple. Style with a large swollen base forming a cap on the 

 ovar} 7 ; ovary 2-celled ; ovules 4. 



Nile land. British East Africa : between Mombassa and Lamu, Whyte! 



58. I. Pes-tigridis, Linn. Sp. PI. ed. 1, 162. Annual. Stems 

 slender, twining, hirsute with long spreading yellowish hairs. Leaves 



