362 CLI. COMMELINACE.E. [Spatholinofl. 
Capsule oblong, 3-valved, chartaceous. Seeds 5 to 7 in two rows. 
Species 3, two Chinese. 
(1) S. ornatum Ridl. Journ. Bot. 1896, p. 329, PI. 360; Mat. 
ii. 125. (Fig. 205, p. 361.) 
Leaves 6 or 7, deep green marked white, back pubescent purple, 
4 in. long and wide; petioles 4 in. long, brown, pubescent. Scape 
purple, 6 in. long; branches -25 in. long. Spathe thick ovate 
mucronate, 1-5 in. long. Flowers rosy, -25 in. across. Petals 
white. Filaments with yellow beard at base. Pistil orange. 
Hab. Legeh, Tomoh (Machado) Cult. Botanic Gardens, Singapore 
1896, sent down alive by A. D. Machado. 
Order CLII. ALISMACE/E. 
Aquatic or marsh plants. Leaves herbaceous, radical, ovate, 
lanceolate or linear. Inflorescence panicled or umbellate. Flowers 
fugacious, white or pink, regular. Sepals 3, herbaceous. Petals 3. 
Stamens 6 or more, hypogynous or perigynous; anthers basifixed. 
Carpels 3 to 6 or more, sessile or stalked, on a flat or raised re¬ 
ceptacle. Style 1. Stigma simple. Ovules 1 or more. Fruit 
small achenes or follicles. Seeds exalbuminous. 
Achenes long-beaked . . , . . .1, Ranausma 
Achenes very numerous rounded . . . .2. Sagittaria 
1 . RANALISMA, Stapf. 
A stoloniferous herb. Leaves ovate with 9 pairs of nerves. 
Inflorescence cymose, 2 or 3 flowers or one only. Sepals persistent. 
Receptacle convex, lengthening in fruit. Stamens 9 in one whorl, 
hyp°gy nous - Carpels compressed, winged, tipped with the persistent 
style. Species 1, Malay Peninsula. 
(1) R. rostrata Stapf. 1 c. PL 2652; Ridl. Mat. ii. 127. 
(Fig. 206, p. 363.) 
Petioles very slender, 4 to 7 in. long, leaf blade thin, rounded, 
1 to 1*5 in. long, *75 to 1 in. wide. Scape 3 to 5 in. long, slender. 
Flowers small, white. Pedicels *5 to 1 in. long. Bracts oblong, 
connate at base. Fruit *5 in. through. Hab . Very rare, in a 
patch of black mud in dense forest. Selangor, Batu Caves (Ridley). 
I have never seen this plant again. 
2 . SAGITTARIA, Linn. 
Aquatic with long-petioled elliptic-ovate, cordate or sagittate 
leaves. Flowers panicled or spicate whorled, unisexual or bisexual. 
Stamens 6 or more. Carpels numerous crowded on a globose or 
