622 Plants of the Punjab. 
WATER PLANTS, 
HERBS WITH Opposites STIPULATE SimpLH Lwaves. 
PETALS NONE. 
Polygonum medium size, perennial, rootstock woody, creeping ; 
amphibium, leaves usuaily floating, long, stalked or nearly sessile, and 
PoLYGONACER, in air, blunt or short-pointed, slightly toothed or bristly, 
¥. BA, v104: oblong or lanceolate, sticules smooth or rouzh, abruptly 
Kashmir. terminated ; flowers bright red in racemes spike-like, soli- 
Zanichellia palustris, 
tary, very stout, 1-2 in. long, densely flowered, main flower 
stalks stout, hairy, bracts short-pomted, blunt or short- 
pointed, bristly, calyx } in., not nerved, 4-or 5-parted, 
much longer than the shining nut, stamens 4-8, styles 
usually 2; nut doubly convex. 
see Herbs, Alternate, Stipulate, Simple. 
’ Herss witH Opposite ExstTIpuLATE SIMPLE LEAVES. 
Stellaria aquatica, 
Ammannia peploides, 
Ammannia 
rotundifolia, 
Limnophila 
Roxburghil, 
ScROPHULARIACE®. 
HB; 1. iv. 265. 
The Plains to 
6,000 ft. 
Chamba. 
PETALS UNUNITED, 
see Prostrate Herbs, Opposite, Exstipulate, Simple. 
see Prostrate Herbs, Opposite, Exstipulate, Simple, © 
see Prostrate Herbs, Opposite, Exstipulate, Simple. 
PETALS UNITED. 
medium size, annual, aromatic, growing in water, root 
creeping, stem stout, nodes often rooting, under water, 
or giving out much divided leaves; leaves and flower 
stalks and buds covered with glandular dots ; leaves 2-8 
in., stalked, ovate, blunt, minutely toothed, leathery, 
dotted beneath, often wrinkled, narrowed into a stalk 3-1 
in., nerves many, stout; flowers 4 im. long, blue, mouth 
yellow, in sessile or stalked axillary heads, calyx 5-lobed 
nearly to the base, segments nearly equal, lanceolate- 
short-pointed, corolla 2-lipped, tube cylindric, upper lip 
erect, 2-lobed, lower spreading, 3-lobed, stamens, 4 in 
unequal pairs, enclosed in the corolla, anther cells stalked, 
widely separated from one another, style bent at the top, 
stigma flat, 2-lobed; capsule ovoid, seeds many, small, 
angular, 
