300 
Flora of the Malayan Peninsula. 
Seeds glabrous. Eoxb. Flor. Inch ed. Carey & Wall. II. 94 ; Choisy 
Convolv. Or. 103, and in DC. Prod. IX. 434 ; Clarke in Hook. f. Flor. Brit. 
Ind. IV. 217. Convolvulus Wallichianus, Spreng. Syst. cur. post. 61. 
Penang : Porter, fide Wallich. — Distkib. Northern India, Afghani- 
stan, Eastern Asia. 
Possibly only a casual weed in our area. 
8. Hewittia, W. & A. 
A pubescent twining herb. Leaves cordate, entire angled or lobed. 
Flowers axillary solitary, or in few-flowered cymes ; bracts below the 
calyx 2, linear-lanceolate. Sepals 5, acute ; outer 3 wide-ovate, accres- 
cent in fruit, inner 2 narrow-lanceolate. Corolla medium, yellow or 
white with a purple eye ; tube campanulate ; limb plicate. Stamens 5, 
included, adnate to corolla-tube ; filaments linear with dilated bases. 
Ovary 1-celled or imperfectly 2-celled ; ovules 4 ; style filiform ; stigma 
of 2 ovate-oblong lobes. Fruit a globose, 4-valved, 1-celled, normally 
4-seeded capsule. Seeds black, glabrous. — Distkib. A single species, 
throughout the tropics of the Eastern Hemisphere and Polynesia. 
Hewittia bicolok, Wight Ie. t. 835. A pubescent perennial herb ; 
stems twining. Leaves cordate, entire angled or lobed, pubescent,, 
2 to 4 in. long ; petiole • 5 in. long. Flowers on axillary 1-few-flowered 
peduncles - 5 to 4 in. long ; bracts 2, narrow-lanceolate, '25 to ’5 in. 
long, situated a short distance below the calyx. Sepals 5, the outer 
ovate, accrescent ; the inner narrowly lanceolate, -3 to -5 in. long. 
Corolla yellow or whitish with a purple patch in lower part of tube, 
rather widely campanulate, 1 in. long ; tube externally hirsute ; lobes 
5, very short. Stamens 5, included ; filaments linear with dilated bases. 
Ovary hirsute, more or less perfectly 2-celled ; ovules 4 ; style filiform ; 
stigmas 2, ovate-oblong. Fruit a globose capsule, '25 in. in diam., 
1-celled, opening by 4 valves. Seeds 4, black, glabrous. Wight 111. 
t. 168 ; Clarke in Hook. f. Flor. Brit. Ind. IV. 216. Convolvulus bicolor, 
Vahl. Symb. III. 25 ; Bot. Mag. t. 2205 ; Eoxb. Hort. Beng. 14 ; Flor. 
Ind. I. 475 ; Flor. Ind. ed. Carey & Wall. II. 57 ; Wall. Cat. 1410, 
C. bracteatus, Vahl Symb. III. 25. C. involucratus, Ker in Bot. Eeg. 
t. 318 {not of Spreng.). Ipomoea bicolor, Sweet Hort. Brit. ed. 2, 372. 
I. bracteata, Bl. Bijdr. 711 {not of Willd. nor of Wight). I. Weinmanni 
Eoem. & Schult. Syst. Nat. IV. 243. Calystegia Keriana, Sweet Hort. 
Brit. ed. 2, 370. Palmia bicolor, Endl. ex Dalz. & Gibs. Bomb. Flor. 
163. Shuteria bicolor, Choisy Convolv. Or. 104, and in DC. Prod. IX. 435 ; 
Flor. des Serres t. 421. Aniseia Afzelii, G. Don Gen. Syst. IV. 295. 
A. bracteata, Hassk. PL Jav. Ear. 516. 
