Monochona .] 
CXLVIII. PONTEDERIACEjE. 
345 
Flowers crowded on a short 2 in. long raceme, included in the leaf 
sheath; pedicels *5 to 2 in. long. Petals over -5 in. long, light 
violet, keels green. Capsule globose, nearly *5 in. long. Hab. 
Common in ditches in the whole Peninsula. Singapore, Galang; 
Orchard Road. Pahang, Pekan. Malacca, Nyalas (Derry). Negri 
Sembilan, Kwala Pedas. Perak, Ulu Slim (Kunstler). Province 
Wellesley. Penang (Curtis), Kelantan, Kota Bharu, Distrib. 
India, Malaya and China. Native names : Chacha Layer; Kankon 
Ayer. 
(2) M. elata Ridl. Journ. Roy. As Soc. S. By. 79, p. 99. 
Herb 6 to 8 ft. tall. Leaves narrow linear hastate, 4 in. long, 
•3 in. wide; petioles 24 in. long. Flowers blue in a many-flowered 
raceme 3-5 to 5 in. long on slender pedicels *4 in. long. Sepals and 
petals *75 in. long, lanceolate acuminate. Capsule oblong. Hab. 
Kedah, at Jerum, abundant in rice-fields (Haniff). Distrib. Patalung, 
