488 
called the carpophore; each carpel (often called a mericarp). is 
marked outside with 10 or a lesser number of ribs, 5 of which 
dre primary and the rest alternating with them; these ribs are 
séparated by channels or interstices, below which are certain 
receptacles of coloured oily matter called vittee: embryo small, 
at the base of horny albumen. : 
GENUS I. HYDROCOTYLE: 
Pentandria Digynia. Sez: Syst: 
Deriv. From Hydor, water, and Kotyle, a vessel, in allusion to 
the round depressed leaves capable of holding water. 
_ Gen. Cuar. Usually slender and aquatic plants: umbels sim- 
ple: inVolucre few-leaved i flowers sessile or pedicelled : calyx-tubé 
slightly compressed: petals ovate, entire, acute, spreading, theif 
apex straight: fruit laterally compressed: mericarps without vitta 3 
primary ridges 5, filiform, thé intermediate ones enlarged: seeds 
compressed. 
(1) H. Asiatica. (Linn.) 
Ident. W.& A. prod. I. p. 366.—Dec. prod. IV. p. 62.— 
Roxb. fl. Ind. IL. p. 88. 
Engrav. Wight’s Icon. t. 565.—Rheede Mal. X. t. 46. 
Spec. Guar. Perennial: leaves attached by the margin, orbicus 
lar-reniform, equally crenated, 7-nerved: petioles and peduncles 
fascicled, sprinkled with soft hairs: unibels capitate, shiort-pedan- 
cled, few-flowered : fruit orbicular, reticulated, with 4 ribs on each 
of the flat sides: flowers small, purplish-red. 
Common in thoist places throughout the country. 
(2) H. renetia. (Don.) 
Ident. W. & A. prod. I. p. 366.—Don. prod. flor. p. 183, 
Dec. prod. IV. p. 64. 
Spec. Car. Cespitose, creeping, glabrous: petiole usually soli- 
tary, slender: leaves attached by the margin, kidney-shaped, about 
4-lobed, shining: lobes roundish, erenated : umbels capitate, 6-84 
flowered, sessile: fruit orbicular, 3-ribbed on each side: flowers 
whitish. 
Neilgherries in damp woods. 
(3) H. eoncepuata. (W. & A.) 
Ident. W. & A. prod. I. p. 366. 
Engrav. Wight’s Ieon. t. 1003. 
