662 CXLVI. HYDROCHARIDEX, (J. D. Hooker) [Hydrocharis. 
5, HYDROCHARIS, Linn. 
A floating herb. Leaves orbicular or reniform, quite entire. Male J 
2-3 in a peduncled 2-leaved spathe; sepals 3, herbaceous ; petals , Ter. 
branous, white; stamens 6-9, with 3-6 staminodes ; filaments forke iof the 
cells basifixed. Fem. spathe 1-fld., flower long-peduncled; periant r " 
male; staminodes 6, in pairs; ovary ovoid, 6-celled; stigmas 6, "d , 
2-fld. Fruit ovoid or oblong, fleshy, 6-celled; seeds many, testa pulpy, 
full of spiral vessels; embryo ovoid. 
H. Morsus-rane, Linn. Sp. Pl. 1036; Boiss. FT. Orient, T: 5; 
Reichd. Ic. Fl. Germ. t. 62. H. asiatica, Miquel Fl. Ind. Bat. m. 29. 
KASHMIR, Jacquemont. BENGAL, Jheels at Manda, near Beaulea, Clarke.— 
DisTRISB. Europe, N. Asia, China, Japan, Australia, ? Java. —— ish 
Stoloniferous ; roots fibrous and bulbiferous, Leaves 1-13 in. diam., often, rM 
beneath. Flowers erect, 14 in. diam. ; sepals small, oblong; petals broadly , 
rumpled, fem. with a fleshy tubercle at the base. 
6. OTTELIA, Pers. 
Submerged fresh-water herbs. Leaves crowded, the submerged pos 
the floating long-petioled ovate-lanceolate oblong or cordate. Potalt 
solitary, sessile on atubular 2-fid spathe. Sepals linear or oblong. s 615; 
larger obovate or orbicular, base with fleshy appendages. Stamen ofid; 
anthers erect. Ovary oblong, beaked, almost 6-celled; styles 6, Brean close 
ovules many, on the placentas and walls. Fruit oblong, 6-valve ro ie 
in the spathe. Seeds many, oblong, testa pulpy.—Species 6-7, trop 
and subtropical. 
O. alismoides, Pers. Synops. i. 400; leaves orbicular- Non! 
cordate, spathe 5-6-winged, Kich. in Mem. Instit. Fr. 1811, ii. t. 75 Bow 
Fl. Austral. vi. 257. O. indica, Planch. mss.; Dalz. & Gibs. Lit 916; 
278. Damasonium indicum, Willd. Sp. Pl. ii. 276; Roxb. Fl. Ind. ii. 
Cor. Pl. ii. 45, t. 185; Bot. Mag. t. 1201. Stratiotes alismoides, 
Sp. Pl. 535.— Rheede Hort. Mal. ix. t. 46. von, Asia 
A In tanks and ditches throughout Lypra and Crvrox.—DisrRi. Trop. ^^? 
ustralia. : ded 
Root fibrous, Leaves extremely variable, from 2-6 by 1-2 in, to broadly "Spat 
and cordate, 7 in. diam., 7-11-nerved, usually submerged; petiole 1-10 in. crown 
1-14 in.; wings waved, unequal. Petals lin. broad, white. Fruit oblong, 
. taining 
with the withered perianth, 6-grooved, from linear-oblong to globose, and at 
2 in. diam. 
7. BOOTTIA, Wail. 
Looe les 
Habit and characters of Ottelia, but the flowers are b we x 
very numerous in the spathe, the fem. solitary; the ovary 34 Burma 
styles petaloid, and the fruit ribbed but not winged.—Species 9—* 
and Trop. Africa. 
Ex 
B. cordata, Wall. Pl. As. Rar. i. 1, t. 65; Cat. 7271; Mig. P! 
Bat. iii. 238. 
it of the 
Burma ; in the Irawaddi River near Ava, and in ponds on the summ 
Taongdong Mts., Wallich. 
