Blyxa .] 
CXXXV. HYDR0CHARIDEA2. 
3 
(i) B. malayana Ridl. Trans. Linn. Soc. iii. 358; Mat. i. 4. 
Rootstock short, stout. Leaves 14 in. long, -3 in. wide. Flower 
bisexual, 4 in. long. Petals white, 1 in. long, toothed. Stamens 3. 
Fruit 2'5 in. long, enclosed in spathe. Seeds elliptic-oblong blunt 
muricate, -05 in. long. Hab. Common in ponds and ditches. 
Singapore, Garden Lake; Chan Chu Kang. Johor, Kota Tinggi. 
Malacca, Tanjong Kling; Bukit Sabukor. Pahang, Kwala Pahang. 
Perak, Ulu Bubong (Kunstler). Penang, Telok Bahang. 
4. OTTELIA, Pers. 
Stemless aquatics. Leaves floating ovate-lanceolate or oblong 
cordate petioled. Flowers solitary in a tubular broad-winged 
spathe, large showy, fugacious. Sepals 3 linear or oblong. Petals 
ovate or orbicular, white (or yellow). Stamens 6 to 15. Anthers 
linear. Ovary oblong beaked; style linear bifid. Fruit oblong, 
6-valved dehiscing. Seeds numerous, testa pulpy. Species 6 or 
more, tropics. 
(1) O. alismoides Pers., Syn. i. 400; Ridl. Mat. i. 5. Dama- 
sonium indicum, Roxb. Cor. PI. ii. 45, t. 185; Bot. Mag. t. 1201. 
Leaves ovate often cordate acute, thin, 6 in. long, 4 in. wide; 
petioles 3-angled, 6 in. long. Scape 4 to 6 in. long. Spathe green, 
narrow or ovate, 1 in. long or more. Perianth-tube little longer. 
Sepals blunt, -25 in, long. Petals clawed ovate, 1 in. long, white 
tinted pink or violet. Stamens 6 to 10. Fruit linear-oblong 
