62 THE JOURNAL OF BOTANY 



on the veins of tlie lighter coloured lower face. Flowers solitary on 

 a short peduncle 6-10 mm. long, or the lower geminate on longer 

 peduncles (to 8*5 cm.) ; bracteoles 3-4 mm. long. Sepals 6 mm. 

 long by about 4 mm. broad. Corolla scare -ly exceeding 1 cm. 

 long. Anthers shortly sagittate. Ovary 2-celled, 4-ovuled, capsule 

 containing two black seeds with granulated testa. 



Is perhaps nearest the Soutti African C. hastatus Thunb. and 

 0. sngittatus Thunb., which it resembles in the form of the flower, 

 but is at once distinguished by the very characteristic cordate 

 crenulate margined leaves. It also approaches C parvijiorus Vahl, 

 but is distinguished by the solitary or geminate flowers, blunt sepals, 

 and obtuse crenulate leaves. 



Hab. Madagascar; near Tannanarivo, Hilsenherg d Bojer ; Anka- 

 fana and Bara, Deans Cowan, 1880. 



C. BuUeriana, sp. nov. Suffrutex humilis glaucescens, ramis 

 prostratis tenuibus, minute pubescentibus ; foliis breviter petiolatis, 

 angusto-hastatis, cum margine iutegro, lobis basalibus parvis re- 

 curvulis, utrinque pilosulis saepius planis ; floribus solitariis, 

 pedunculo folium excedente caule simili ; bracteolis linearibus 

 velut pedicello pilosulis; pedicello quam calyx breviore; sepalis 

 magnis chartaceis, ovatis, apice obtusis vel acutiusculis, dorso pilo- 

 sulis, externis quam interiores majoribus ; corolla lutea, calycem 

 duplo excedente, infundibuliforme, lobis triangularibus, areis meso- 

 petalis male limitatis dorso pilosulis ; poUine tetrahedrale, glabro ; 

 stigmatibus filiformibus sublougis ; fructu . . . 



The slender spreading branches 20-30 cm. loQg, 1 mm. in 

 diameter. Leaves 2-75-3*5 cm. long, 2-5-4 mm. broad above the 

 hastate base, from which the blade tapers gradually to an obtuse or 

 subacute apex, basal lobes blunt, 2-3 mm. long, sometimes with an 

 indication of a small secondary lobe on the outside; petioles slender, 

 4-7 mm. long. Peduncle of the only open flower 3*5 cm. long, 

 bracteoles 6-8 mm. long, pedicel 1 cm. Outer sepals 1-5 cm. long 

 by 7 mm. broad at the base, reddish brown when dry. Corolla a 

 little over 3 cm. long; the barely exserted stigmas 6 mm. long. 

 Fruit absent. 



Approaches C. plicatm Desv. in its habit, large ovate sepals, 

 and general structure and arrangement of the solitary flowers, but 

 is at once distinguished by its narrowly hastate leaves with uncut 

 margins ; the flowers are also larger, and yellow in colour. 



Hab. Natal; hill near Mooi River, at 4500 ft., J. M. Wood, 

 no. 6206, Dec. 8, 1896. 



Merremia palmata Hall. f. in Engl. Bot. Jahrb. xviii. 112 (1893). 

 Rhodesia ; Bulawayo, Dr. Rand, Dec. 1897, uos. 128, 129 ; May, 

 1898, no. 364. Dammara-land, T. G. Een, 1879. 

 M. pterygocaulos Hall. f. /. c. 113. 

 British East Africa ; Uganda, G. F. Scott Elliot, 1893-4, no. 7242. 



M. angustifolia Hall. f. I. c. 117. 



British East Africa ; Uganda, G. F. Scott Elliot, 1893-4, no. 7217. 

 Rhodesia, Bulawayo, Dr. Rand, Dec. 1897, no. 130. 



