Plants of the Punjab. 229 
Heres, Erect, with ALTERNATE STIPULATE SIMPLE LHAVES. 
Polygonum 
Hydropiper, 
Water-pepper, 
POLYGONACE. 
Bebe Te v.89. 
The Plains to 
7,000 ft. 
Simla, Naldera 
(Collett). 
Hazara (Barvett). 
Polygonum 
flaccidum, 
PoLYGONACE. 
BBs Lvs 39: 
The Plains to 
4,000 it., 
in wet places. 
Polygonum glaciale, 
PoLYGONACEA. 
HB. Is y.4t. 
Himalaya, 
8-12,000 ft. 
Kashmir. 
Polygonum alatum, 
Sai-balon. 
POLYGONACEA, 
FoBid: vA: 
The Plains from 
9-10,000 ft. 
Simla (Collett). 
Lear Margins Entire. 
PETALS NONE. 
medium size, annual, stout, smooth, stems some- 
times prostrate and rooting at the joints, often glandular, 
joints often swollen, branched ; leaves 2-3 in., lanceolate 
or oblong-lanceolate, narrowed to the base, dotted 
with glands, mid-rib with minute hairs, stipules 
3 in., tubular, smooth or minutely hairy with flattened 
hairs, swollen out near the middle, fringed with short 
bristles ; flowers pink or red, in very slender drooping zigzag 
racemes, 2-3 in. long, with gaps along the racemes and leafy 
at the base, bracts smooth, with or without glands, 
tubular, mouth naked or minutely bristly, calyx of 5 
segments, with glands, stamens 6, styles 2 or 8, ununited 
nearly to the base; nuts minutely dotted, in the 2-styled 
flowers circular and flattened, in the 3-styled 8-angled. 
The juice is used as a diuretic and carminative. 
very like the last species, but larger with longer, 
broader, and more pointed leaves. 
very small, annual, weak, smooth, nearly succulent, 
branches spreading from the root ; leaves $-3 in., broadly 
ovate, apex blunt, long-stalked, winged above only, stipules 
short, smooth, cup-shaped, 2-lobed or not ; flowers minute, 
white or pale purple in sessile or stalked heads 3-} in diam., 
stalk minutely glandular at the tip, bracts broadly ovate, 
blunt, smooth, flat, calyx 4-5-lobed, transparent, lobes 
nearly equal, blunt, stamens 5, no glands, styles 38 united ; 
nut minute, closely included in the calyx tube, black, 
striated. 
small to medium size, annual, very variable, the 
smaller fo m; like the last species, but with short broad- 
winged leaf stalk ; leaves }-4 in. in the small form, 1-3 in. 
in the large, broadly ovate, smooth, rarely hairy, blunt 
or short-pointed, abruptly or gradually narrowed into a 
broadly winged and sometimes eared leaf stalk, stipules 
tubular, hairy or glandular below, not fringed with 
bristles ; flowers minute, white, purplish or red in heads, 
$-$ in. diam., heads in the axils of leaves on stalks, 
