308 Flora of the Malayan Peninsula. 



opening by valves ; the epicarp circumscissile above the middle, the 

 cap in separating carrying away the style ; the endocarp at first entire, 

 at length rupturing irregularly. Seeds usually solitary, rarely more 

 than one, black, smooth or furred, usually large. — Disteib. Species 

 15, tropics generally. 



Stems winged ; bracts large, coloured ; flowers white or pale yellow ; 



leaves softly pubescent, not palmate . . . . . . 1. 0. Turpethum. 



Stems not winged ; bracts small : flowers brilliant yellow ; leaves 



glabrous, deeply palmately lobed . . . . ..2.0. tuber osa. 



1. Opeeculina Tubpethum, Manso En. PL Bras. 16, n. 49. A 

 stout softly pubescent climber, vs^ith strong twining 4-angled or com- 

 pressed less often sub-cylindric winged stems, wings membranous. 

 Leaves large, ovate or oblong, obtuse or acute, 2 to 5 in. long, 1 to 3 in. 

 wide, base cordate or truncate ; petiole 1 in. long. Floiuers axillary, in 

 few-flowered cymes ; peduncles 1 to 4 in. long ; bracts oblong, 1 in. long, 

 sometimes pinkish-purple, caducous. Sepals 5, ovate, softly pubescent, 

 *5 in. long ; in fruit accrescent orbicular, concave, scarious and fissile, 

 1 in. long. Corolla white or pale yellow, tubular-campanulate, 1*5 in. 

 long. Stamens 5, included, anthers at length contorted. Capsule globose, 

 •5 to -75 in. across. Seeds 4 or fewer, glabrous. Hallier f. Engl. Bot. 

 Jahrb. XVIII. 120, and Verslag. Buitenzorg, 1895, 128. Convolvulus 

 Turpethum, Linn. Sp. PI. 155 ; Eoxb. Hort. Beng. 14, Elor. Ind. ed. 

 Carey & Wall. II. 57, and Flor. Ind. I. 476 ; Wall. Cat. 1371 ; Bot. 

 Mag. t. 2093 ; Hassk. PL Jav. Ear. 518. C. anceps, Linn. Mantiss. 43. 

 G. triqueter, Vahl Symb. III. 30. Ipomcea Turpethum, E. Br. Prod. 

 I. 485 ; Bot. Eeg. t. 279 ; Chois. Convolv. Or. 68, and in DC. Prod. 

 IX. 360 ; Kurz For. Flor. Burm. II. 218 ; Clarke in Hook, f . Flor. Brit. 

 Ind. IV. 212. J. anceps, Eoem. & Scbult. Syst. IV. 231 ; Bl. Bijdr. 714; 

 Choisy Convolv. Or. 68, and in DC. Prod. IX. 360. /. triquetra, Eoem. & 

 Schult. Syst. IV. 231. Spiranthera Turpethum, Boj. Hort. Maurit. 226. 

 Argyreia alulata, Miq. Flor. Ind. Bat. II. 587. 



Andamans : Narcondam, Prain ! Nicobaes : Kamorta, Kurz ! 

 Malacca : Griffith ! — Disteib. E. Africa, S.E. Asia, Australia, 

 Polynesia. 



2. Opeeculina tubeeosa, Meissn. in Mart. Fl. Bras. VII. 212. A 

 stout glabrous climber with strong twining smooth or muricate stems. 

 Leaves large, ovate, deeply palmately lobed ; lobes elliptic-lanceolate, 

 acuminate, entire, 3 to 5 in. across ; petiole 2 to 5 in. long. Flowers 

 axillary in many-flowered cymes ; peduncles 2 to 6 in. long ; bracts 

 deciduous ; pedicels -25 to 1 in. long. Sejmls 5, elliptic-oblong, obtuse ; 

 accrescent in fruit and spreading, ultimately 2 in. long, 1 to 1*5 in. wide. 

 Corolla yellow, tubular-campanulate, 2 in. long. Stamens 5, included, 



