622 



Plants of the Punjab. 



WATEE PLANTS. 

 Herbs with Opposite Stipulate Simple Leaves, 



Petals none. 



Polygonum 

 amphibium, 



Polygonace^, 

 F. B. I. V. 34. 

 Kashmir. 



Zanicheliia palustris, 



medium size, perennial, rootstock woody, creeping ; 

 leaves usually floating, long, stalked or nearly sessile, and 

 in air, blunt or short-pointed, shghtly toothed or bristly, 

 oblong or lanceolate, stipules smooth or rough, abruptly 

 terminated ; flowers bright red in racemes spike-like, soli- 

 tary, very stout, 1-2 in. long, densely flowered, main flower 

 stalks stout, hairy, bracts short-pointed, blunt or short- 

 pointed, bristly, cal^^x -| 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. 



Herbs with Opposite Exstipulate Simple Leaves. 



Petals ununited. 



Steilaria aquatica, 



Ammannia peploides, 



Ammannia 

 rotundifolia, 



Limnophila 

 Roxburghii, 



Scrophulariace^. 

 F. B. I. iv. 265. 

 The Plains to 

 6,000 ft. 

 Chamba. 



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 2-3 

 in., stalked, ovate, blunt, minutely toothed, leathery, 

 dotted beneath, often wrinkled, narrowed into a stalk |-1 

 in., nerves many, stout ; flowers ^ in. 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-hpped, tube cylindric, upper lip 

 erect, 2-lobed, lower spreadmg, 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. 



