Materials for a Flora of the Malayan Peninsula. 127 



1. RANALISMA, Stapf. 



A low herb with slender stolons and fine roots. Leaves and 

 peduncles from the base. Leaves ovate or ovate oblong blunt thin 

 with 9 pairs of conspicuous nerves and 2 intx'a-marginal ones petiole 

 long erect. Inflorescence cymose of 2-3 flowers, or one flower only. 

 Flowers hermaphrodite. Sepals 3 herbaceous persistent at length 

 deflexed. Petals larger white. Torus convex lengthening in fruit. 

 Stamens 9 in one whorl hypogynous. Ovaries crowded, style beaked. 

 Carpels one-seeded compressed winged tipped with the persistent style, 

 pericarp thin. Seed erect curved. Monotypic. 



R. rostrata, Stapf. Ic. PI. 2652. Petioles very slender 4-7 inches 

 long, leaf blade thin base rounded 1-la inch long, f -1 inch wide. Scapes 

 shorter 3 to 5 inches long slender. Flowers small white, pedicels i-1 

 inch long. Bracts oblong connate at base. Fruit i inch through. 



Selangor, in black mud in an open space in dense forest, at the 

 Caves, Kwala Lumpur. Rare (Ridley 8464). Endemic. 



2. SAGITTARIA, Linn. 



Erect aquatic plants. Leaves long petioled elliptic ovate cordate 

 or sagittate. Flowers panicled or spicate whorled unisexual or bi- 

 sexual, white. Sepals 3 herbaceous. Petals 3 deciduous. Stamens 6 

 or more, filaments filiform. Carpels numerous crowded on a large 

 receptacle globose or oblong. Style ventral or apical. Ovules solitary 

 basilar. Achenes in a globose or oblong head, flat, crested or winged. 

 Species about 15, whole world. 



S. GUAYANENSIS, Humb. Bonpl. Kunth. Nov. Gen. and Sp. 1. 250. 

 Leaves orbicular or ovate cordate obtuse floating l|-2 inches long, 

 lobes broad acute or obtuse petiole long and slender, 6-8 inches long. 

 Scapes 3 to 8 inches long, panicle branches few and short. Bracts 

 ovate i inch long. Pedicels i inch long. Flowers i-f inch across. 

 Sepals oblong lanceolate or ovate. Petals white cuneate longer. 

 Stamens 9 to 12. Carpels very numerous in a globose head £ inch 

 through flat orbicular dentate. Kunth. Enum. III. 161. Hook. Fil. Fl. 

 Brit. Ind. VI. 561. S. cordtfolia, Roxb. Fl. Ind. III. 647. S. Iwppula 

 Don. Prodr. 22. Lophiocarjms Guryanensis Michel i. A. De C. 

 Monogr. Phan. III. 62. 



Pahang : Pekan, Pulau Tawar (Ridley) ; Malacca : Merlimau (Derry 

 240) ; Province Wellesley : Permatang Bertam (Ridley 961) ; Penang : 

 Pulau Betong (Curtis 1944). Distrib. India, China, Australia, Malay 

 Islands. 



In rice fields. Native name " Keladi Ayer," " K'lipoh Padang." 



S. SAGITTIFOLIA, L. is sometimes cultivated by the Chinese to feed 

 pigs on. It never seems to flower here. 



