36 MEMOIRS FROM THE DEPARTMENT OF BOTANY OF COLUMBIA COLLEGE. 
[PLATE 5.] 
5. Polygonum Newberryi Small. 
Polygonum Newberryi Small, Bull. Torr. Clab, 21: 170 (1894). 
Perennial, dull green, fleshy and stout, more or less puberulent and scurfy through- 
out or sometimes glabrous. Stem erect, or nearly so, 1-4 dm. long, stout, shghtly chan- 
neled, more or less flexuous, nearly simple or short-branched above, the upper internodes 
one-third as long as the lower ones; leaves ovate or broadly oblong-ovate, 14.5 em. long, 
5-3 em. broad, the upper subsessile, the lower short-petioled, obtuse or subapiculate at 
the apex, truncate, obtuse or acute at the base, becoming more or less rugose-wrinkled 
with age and in drying, attached near the base of the ocreae; ocreae funnelform, .5-1.5 
mm. long, light brown, puberulent or nearly glabrous, thin and brittle; imflorescence 
axillary, consisting of racemes or spicate racemes; racemes narrow, 1-2 cm. long, few- 
flowered, sometimes interrupted; ocreolae funnelform, 1 mm. long, acutish; pedicels, 1 
mim. long; calyx greenish, 3 mm. long, five-parted to near the base, the segments oblong 
or oblong-elliptic, the outer ones larger than the inner; stamens eight, included; style 1 
mm. long, three-parted, included; achene triquetrous, 4-4.5 mm. long, obovoid, some- 
times unsymmetrical, light brown, smooth and shining, somewhat exserted at maturity. 
Alpine and subalpine regions in the mountains of Oregon and Washington. 
to) = oO 
