Plants of the Punjab. 



227 



Herbs, Erect, with Alternate Stipulate Simple Leaves. 



Leaf Margins Entire. 



Polygonum orientale, 



Polygonace.e. 

 p. B. I. V. 30. 

 The PLains to 

 5,000 ft., 

 in swamps. 



Petals none. 



large, annual, velvety or silky-hairy, stems grooved, 

 branches hollow-stemmed ; leaves 6-9 l3y 2-5 in., ovate, 

 or ovate-heart-shaped, long-pointed, grey with hairs, leaf 

 stalk 1-4 in., sometimes winged, stipules tubular, short, 

 hairy, ending abruptly, mouth thin, papery, or dilated, 

 green, curved back ; flowers small, red, white or green, 

 in crowded erect or drooping cylindric racemes 2-4 in. 

 long, forming large terminal branched clusters, bracts 

 hairy, ovate, flat, 3-6 flowers in the axil of each bract, 

 calyx (perianth) of 4-5 segments, petals non , stamens 

 7 or 8, alternating with small honey secreting glands, en- 

 closed in the calyx, styles 2, united half way up ; nut round, 

 i in. diam., flattened with concave faces, coat very thick, 

 black, shiny. 



Polygonum 

 virginianum, 



PoLYGONACEiE. 



F. B. L V.31. 



Himalaya. 



Kashmir. 



Jhelum River, 



2-4,000 ft. 



Pir Panjal Range, 



7-10,500 ft. 



(Stewart). 



large, perennial, roughly hairy, branches hollow-stem- 

 med ; leaves 4-10 in., broad and tapering equally to either 

 end, thin, leaf stalk |-1 in., stipules J-^ in., tubular, roughly 

 hairy, mouth abrupt, bristly ; flowers in very long slender 

 long-stalked racemes, 6-16 in., bracts tubular-bristly, 

 |-1 in. apart, 2-flowered, bracteoles narrow, transparent, 

 calyx 4-fid, thin, stamens 5, alternating with glands, styles 

 2, long, stiff, hooked, persistent, stigmas undivided ; nut 

 oblong, with rounded ends, flattened, pale brown, as 

 long as the persistent styles. 



Polygonum glabrum, 



PoLYGONACEiE. 



P. B. L V. 34. 



The Plains to 

 6,000 ft. 



Simla, in ditches 

 (Collett). 



large, stem thick, often red, branched ; leaves 4-8 in,, 

 lanceolate or linear-lanceolate with a fine long point, 

 minutely glandular or not, stfJked, stipules | in., tubular, 

 smooth, thin, not fringed ; flowers pink or white, in slender 

 erect racemes, 2-4 in. long, forming terminal branched 

 clusters, bracts smooth, tubular, tip oblong or rounded, 

 calyx 5-fid, varying in size, stamens 6-8, styles 2 usually, 

 sometimes 3, united below the middle ; nut rounded, bi- 

 convex, 3-angled with 3-styled flowers, black, shining. 



Polygonum 

 lanigerum, 



see Prostrate Herbs, Alternate, Stipulate, Simple. 



q2 



