Convolvulus.] xc. convolvulacejs (baker and rendle). 97 



Var. subcordata , Hallier f. I.e. 534 (as subvar.) partly. Perennial, with a rather 

 stout woody rhizome ; aerial shoots tufted, slender, elongated, prostrate, shortly fulvous 

 pubescent in the younger part, glabrescent below. Leaves triangular-ovate, acute, 

 with a cordate base, reaching about 1 in. long, the older ones very sparsely pilosulose 

 on both surfaces, more densely on the veins beneath. Peduncles 1-rlowered, brown 

 pubescent like the young stem, rarely more than 1 in. long, bearing a pair of short 

 linear bracts above the middle. Sepals 'pubescent like the young shoots, elliptic, 

 shortly acute, barely exceeding 3 lin. long. Corolla rose-coloured, said to reach 

 10 lin. long (about 7 lin. in the specimen in Herb. Kew.). Seeds dark brown, 

 glabrous, apparently smooth. — C. Steudneri, Engl. Hochgebirgsfl. Trop. Afr. 350 ; 

 Hallier f. in Engl. Jahrb. xviii. 104. 



Nile Land. Abyssinia : high plateau of Talanta, Bohlfs, 16 ; Tanta, near 

 Magdala, Steudner, 956 ; and without precise locality, Sehimper, 165 ! 



Also in Southorn Arabia. 



Var. linearifolia, Hallier f. (as subvar.) in Bull. Herb. Boiss. vi. 534. A 

 climber, glaucous, very thinly puberulous: branches filiform. Leaves long linear, 

 minutely auricled at the base, acute, up to 2\ in. long, 1-2 lin. broad ; petiole 2h lin. 

 long. Peduncle rather thick, about 8 lin. long ; pedicel ecptal to the peduncle. 

 Sep;ils ovate-lanceolate, with a very thin grey somewhat silky covering on the back. 

 Corolla barely 9 lin. long, white, the midpetaline areas silky outside. — Hallier f. 

 in Baum, Kunene-Smnbesi Exped. 345 ; Baker & Wright in Dyer, Fl. Cap. iv. 

 ii. 12. 



Lower Guinea. Angola : by the Chitanda Biver, between Goudkopje and 

 Kakele, 4000 ft., Baum, 180 ! 



Also in South Africa. 



19. C. huillensis, Rendle. Stems trailing, silky hairy. Leaves 

 ovate, apiculate from a subobtuse apex, entire, silky hairy, i-1 in. 

 long, with small entire basal auricles ; petiole very short. Hairs on 

 the younger part of shoot and the calyx pale fulvous. Peduncles 

 1 -flowered, hairy, about 1 in. long, with a pair of short persistent fili- 

 form bracts at the middle. Calyx very hairy, 4 lin. long. Sepals 

 lanceolate to ovate, acute. Corolla not seen. Capsule globose, pale 

 brown, glabrous, 4 lin. in diam., shortly beaked with the persistent 

 style-base. Seeds glabrous, black, areolate. — C. sagittatus, var. grancli- 

 florus, subvar. subcordata, Hallier f. in Bull. Herb. Boiss. vi. 534 partly ; 



Hiern in Cat. Afr. PI. Welw. i. 720. Ipomo&a huillensis, Baker in Kew 

 Bulletin, 1894, 70. 



Lower Guinea. Angola : Huilla ; Ferrao da Sola, 3800-5500 ft., Welwitscli, 

 6131! 



20. C. arvensis, Linn. Sp. Pl.ed. 1, 153. Perennial. Stem wide- 

 climbing, glabrous or slightly pubescent. Leaves ovate-hastate, 1-2 

 in. long, with spreading or deflexed usually acute basal lobes ; petiole 

 ^-1 in. long. Flowers 1-3, laxly cymose ; peduncle long, slender, 

 flexuose ; pedicels longer than the calyx, ^-f in. ; bracts short, narrowly 

 linear. Sepals coriaceous, subequal, elliptic-oblong, obtuse, l in. long, 

 glabrous or slightly pubescent, especially on the margin. Corolla broadly 

 funnel-shaped, 9 lin. long, pinkish-white. Capsule globose, glabrous, 

 3 lin. in diam. Seeds glabrous.— Choisy in DC. Prodr.. ix. 406 ; 



VOL. IV. SEC. 2. H 



