CXLVI. HYDROCHARIDE2E. (J. D. Hooker.) \_Hydrocliari8. 



5. KVDROCKARZS, Linn. 



A floating herb. Leaves orbicular or reniform, quite entire. Male fl. 

 2-3 in a peduncled 2-leaved spathe ; sepals 3, herbaceous ; petals 3, mem- 

 branous, white ; stamens 6-9, with 3-6 staminodes ; filaments forked, anther- 

 cells basifixed. Fern, spathe 1-fld., flower long-peduncled ; peri-anth of the 

 male; staminodes 6, in pairs; ovary ovoid,' 6-celled; stigmas 6, linear, 

 2-tid. Fruit ovoid or oblong, fleshy, 6-'c3lled; seeds many, testa pulpy, 

 full of spiral vessels ; embryo ovoid. 



2X. DSorsus-ranae, Linn. Sp. PI. 1036'; Boiss. FL Orient, v. 5;- 

 Reichl. Ic. Fl Germ, t, 62. s ca MuwFl- Lid. Sat. iii. 239. 



KASHMIR, Jacquemont. .BENGAL, Jim-Is ?tt ' M:mda, nc;:r Beaulea, Clarke. 

 DISTRIB. Europe, N. Asia, Ctyma, Japan, Australia, ? Java. 



Stoloniferous ; roots fibrous and bulbiferous. Leaves 1-1-i-in. diam., often reddish 

 beneath. Flowers erect, if in. diam. ; sepals small, oblong; petals broadly obovate, 

 rumpled, fena. with a fleshy tubercle at the base. 



6. OTTELIA, Pers. 



Submerged fresh-watar herbs. Leaves crowded, the submerged narrow, 

 the floating long-petioled oVate-lanceolate oblong or cordate. Flowers 

 solitary, sessile on a tubular 2-fid spathe. Sepals linear or oblon'g. Petals 

 larger obovate or orbicular, base with fleshy appendages. Stamens 6-15 ; 

 anthers erect. Ovary oblong, beaked, almost 6-celled; styles 6, linear, 2-fid ; 

 ovules many, on the placentas and walls. Fruit oblong, 6-valved enclosed 

 in the spathe. Seeds many, oblong, testa pulpy. Species .6-7, tropical 

 and subtropical. 



O. alismoides, Pers. Synops. i. 400; leaves orbicular- or oblong- 

 cordate, spathe 5-6-winged. Rich, in Mem. Instit. Fr. 1811, ii. t. 7 ; He-nth. 

 Fl. Austral, vi. 257. 0. indica, Planch, mss. ; Dalz. fy Gibs. Bomb. FL 

 278. Damasonium indicum, Willd. Sp. PL ii. 276 ; Roxb. Fl. Ind. ii. 216 ; 

 Cor. PL ii. 45, t. 185; Eot. Mag. t. 1201. Stratiotes alismoides, Linn. 

 Sp. PL 535.2theede Hort. Mai. ix. t. 46. 



j In tanks and ditches throughout INDIA and CEYLON. DISTRIB. Trop. Asia, 

 Australia. 



Root fibrous. Leaves extremely variable, from 2-6 by 1-2 in. to broadly rounded 

 and cordate, 7 in. diam., 7-11-nerved, usually submerged ; petiole 1-10 in. Spathe 

 1-1 J in.; wings waved, unequal. Petals 1 in. broad, white. Fruit oblong, crowned 

 with the withered perianth, 6-grooved, from linear-oblong to globose, and attaining 

 2 in. diaua. 



7. BOOTTZA, Wall. 



Habit and characters of Ottelia, but the flowers are dioscious, the males 

 very numerous in the spathe, the fern, solitary ; the ovary beaked, the 

 styles petaloid, and the fruit ribbed but not winged. Species 3-4, Burma 

 and Trop. Africa. 



B. cordata, Wall. PL As. Ear. i. 51, t. 65 ; Cat. 7271 ; Miq. FL Ind. 

 Sat. iii. 238. 



BURMA ; in the Irawaddi River near Ava, and in ponds on the summit of the 

 Taongdong Mts., Wallich. 



