200 
Stems filiform, branched; Jeaves alternate, linear, 3 or 4 inches long; 
flowers pedicilled, small-—In tanks throughout the Concans. N.—It is used 
for refining sugar. 
1406. V.SprraLoipes. Rox, Flora. 3, p. 750, V. spiralis. Willd. Spec. 
4. p.650. Wight in Hooker’s Bot. Misc. Part. 3. ¢. 23 and 24. 
Leaves radical, ensiform. Female flowers on a spiral, thread like scape. 
In tanks. N. It is found also throughout Europe, New Holland, and 
North America. 
661. DAMASONIUM. t. Hexandria Polygynia. 
From damao—to take away, orsubdue; in allusion to the supposed me- 
dicinal qualities. 
1407. D. Inpicum. Rox. Flora. 2. p. 216. Ottel Ambel. Rheed. Mal. 11. 
AG. Rox. Cor. 2. ¢. 185. Bot. Mag. t. 1201, 
An aquatic plant, with large cordate leaves, which generally grow under 
water. Peduncles radical, of sufficient length to raise the flower above the 
surface of the water: corolla 3 petalled. 
Nagaum tank, Bombay. N. Bulsaur tank. (Dr. Lush.) Generally through- 
out the Concans. 
ORDER 135. PISTIACEZ. 
Tue Duck-weeD Tribe. Lind. nat. syst. p. 291. 
662. PISTIA. Lt. Monadelphia Pentandria. 
1408. P.Stratiotes. Rox. Flora. 3. p. 131, Kodda pail. Rheed. Mal. 11. 
~ t. 32. Plantago aquatica. Rumph. Amb. 6, ¢. 74: Tala indica. Lour, Cochin 
“€hina. Ainslie Mat. Ind. 2. p. 7. Rox. Cor. 3. t. 268. 
An aquatic plant: a good deal like the common garden Endive. It has 
a peculiar muriatic smell, and in tanks where it abounds, is said to injure the 
water by imparting to it acrid qualities Common throughout the Concans. 
ORDER 186. FLUVIALES. Sweet's Hort. Brit. p. 376. 
663. POTAMOGETON. L. Tetrandria Tetragynia. 
From Potamos—a river—gaiton—a neighbour; in allusion to the habitat 
of the plants: J.am. ¢. 89. Gaert. ¢. 84. Tourn. ¢. 103. 
1409. P. Inpicum. Rox. Flora. 1. p. 452. 
A creeping plant, with alternate, narrow, lanceolate leaves.—In tanks. 
1410. P. Tuperosum. Rox. Flora. 1. p. 452. 
Leaves alternate, sessile, linear waved. In tanks common; abundant in a 
tank at Wurgaum. on the road to Poona. 
664. APONOGETON. L. Hexandria Trigynia. 
Apo—on— potamos—a river; in allusion to the place of growth, Lam. 
t. 276. 
1411, A. Monostacuyon. Rox. Flora. 2. p. 210. Parua Kelangi: 
Rheed. Mal. 11. ¢. 15. Rox. Cor. 1. & 81. Bot. Rep. ¢. 406. 
An aquatic; leaves radical, long petioled, cordate at the base, spike 
simple, calyx of 2 wedge shaped concave leaflets.—Margins of tanks, Sal- 
sette and the Concans. N. 
Roxburgh says, the tuberous roots are eaten by the natives, and are 
almost as good as potatoes. 
Mr. Young C.S. mentions a plant which grows in great abundance in 
some swampy tracts to the westward of Ahmedabad and Kairah, the roots 
of which are dug up and eaten by the natives. 
Perhaps this may be the plant he refers to. No specimens have yet 
been seem 
