458 xcvn. convolvulacea. [Merretnia. 
(3) M. tridentata Hallier, l.c. 552; Prain, l.c. 304. Ipomoea 
tridentata Roth, Cat. Bot. ii. 19; Clarke, l.c. iv. 205. 
A prostrate herb with a stout root, branches about 2 ft. long or 
less, slender. Leaves hastate oblong or spathulate linear truncate 
or 3-toothed. Sepals ovate acuminate, *25 to -35 in. long. Corolla 
funnel-shaped, *4 to *5 in. across, yellow with a pink eye. Capsule 
ovoid, papery. Hab. In sea sand. Singapore, Changi. Johor, 
Batu Pahat, Malacca, Tanjong Kling. Penang, Batu Feringhi 
(Curtis); Telok Bahang. Distrib. Africa, India, Banka. Native 
name : Kong Kong Pasir. 
(4) M. csespitosa Hallier, l.c. 552; Prain, l.c. 305. Ipomoea 
linifolia Bl. Bijdr. 72x. 
Slender twiner. Leaves narrow oblong cordate, slightly hastate, 
i*5 to 2-5 in. long, -5 in. across; petioles -25 to *5 in. long. Flowers 
cymose; peduncles 1-5 in. long. Sepals elliptic obtuse, -25 in. 
long. Corolla 75 in. across, primrose yellow. Capsule ovoid, 
papery, i-celled, *25 in. long. Hab. Common in grass. Like M. 
convolvulacea, this plant is often fasciated. Singapore, Tanglin; 
Kranji; Chan Chu Kang. Pahang, Pekan. Malacca (Griffith). 
Perak Larut (Kunstler); Ipoh (Burkill). Province Wellesley, 
Permatang Bertam. Kemaman. Perlis Kanga. Distrib. India, 
Siam, Malaya, Australia. 
(5) M. convolvulacea Dennst. Schlussel Hort. Malab. 39; Prain, 
l.c. 305. M. hederacea Hallier, l.c. 168. Ipomoea chryseides Ker. 
Bot. Reg. t. 270. 
Slender twiner. Leaves ovate cordate, acute, edges toothed 
or not, sometimes 3-lobed, 1 in. long, -5 in. wide; petioles *2 in. 
long or more. Flowers cymose; peduncles -5 to 3 in. long. Sepals 
elliptic, -2 in. long. Corolla funnel-shaped, -6 in. across, bright 
canary yellow. Capsule ovoid, -25 in. long. Seeds puberulous. 
Hab. A weed of cultivation and common on sand-banks, often 
fasciated. Singapore, Gardens; Jurong; Kranji. Johor, Serom, 
Batu Pahat. Pahang River, Tembeling River. Selangor, 
Kwala Lumpur. Perak, Durian (Kunstler); Larut; Changkat 
Mentri (Kloss). Province Wellesley, Prai Dock. Kelantan, Chaning. 
Distrib. Africa, Asia, Australia. 
(6) M. nymphseifolia Hallier, Verslag. Buitenz. 1895, 127; 
Prain, l.c. 305. Ipomoea peltata Choisy, Convolv. Or. 70. 
A big liane over 100 ft. tall; stem wrinkled, 2 to 3 in. through, 
laticiferous. Leaves rather stiff orbicular-ovate, peltate, acute, 
dark green, 6 to 10 in. long, 5 to 8 in. wide; petioles 1-5 to 3-25 in. 
long. Flowers in large cymes; peduncle usually long. Sepals 
broad, coriaceous, 75 in. long. Corolla wide-campanulate, 2 in. 
across, pure chrome-yellow. Capsule sub-globose, -i in. through, 
sepals 1 in. long. Seeds hairy, Hab. In forests. Pahang, Pekan. 
Negri Sembilan, Bukit Danan (Cantley). Malacca, Selandor and 
Chabau (Cantley). Dindings, Pangkor (Scortechini). Distrib. 
Mascarenes, Malaya to Polynesia. 
