POLYGONUM POLYGONACE 4 583 
mens 5-8 included: style very short, 3-parted. High mountains, Washing- 
ton to Colorado. 
P. Austine Greene 1. c. Glabrous and scurfy throughout: stems 
mostly erect, 2-6 inches high, branched from the base: leaves ovate-lance- 
olate to oblanceolate. 3-6 lines long, acute, sessile, revolute or flat, bright 
green beneath: ocreae about 2 lines long, at length slightly lacerate: flow- 
ers in clusters of 2-3in the axils of the leaves, drooping, on reflxed pedicels: 
calyx green, a line long, 5-parted to near the base, the segments narrowly 
oblong obtuse, with whitish borders: stamens 5-8, included: style very 
short, 3-parted to the base. In the high mountains, eastern Washington 
to California. 
P. majus Piper Fl. Palouse Reg. 63. Stem wiry, terete, erect or near- 
ly so, much branched from the base, 6-18 inches high; leaves linear-lan - 
ceolate, 1-3 inches long, sessile: ocreae scarious, 6-12 lines long, at length 
lacerate : flowers few, in the axils of the upper leaves, spreading or ascend- 
ing on short pedicels: calyx broadly campanulate, 1-2 lines long, 5-cleft to 
below the middle, the segments oblong, rounded at the apex, white with 
green midveins: stamens 5, included: style 3-parted tothe middle: fruit re- 
flexed. Common in stony soil, eastern Washington. 
P. spergularieforme Meisn. Small Bull. Torr. Bot. Club xix, 366. 
P. coarctatum Dougl. not Willd. Glabrous throughout: stem slender 
and wiry, erect, 4-20 inches high, branched, the branches usually erect: 
leaves linear-oblong to linear lanceolate, 14-116 inches long, acute, sessile, 
the margins usually revolute: ocreae 4-6 lines long, soon finely lacerate: 
flowers numerous, in small clusters in the axils of the upper leaves, erect 
_ or spreading: calyx 2 lines long 5-parted to near the base, the segments 
obovate, obtuse, pink with green midveins: stamens 5, included: style 
about a line long, 3-parted. On dry stony or sandy places, Brit. Columbia 
to California and Colorado. Flowering from Spring until Autumn. 
P. lineare Hook. Fl. ii, 137. ? Minutely puberulent thoughout: 
stem slender, prostrate or ascending, diffusely branched, 4-10 inches long, 
leaves linear to linear-lanceolate, 44-1 inch long acute, sessile, the margins 
strongly revolute, dark green above, white beneath: ocreae about 4 lines 
long, soon lacerate: flowers in small clustersin the axils of subulate bracts 
at the ends of the branches: crowded and apparently spicate, erect or sprea- 
ding, on short pedicels: calyx about 2 lines long, broadly campanulate,‘5- 
cleft to near the base, the 3 outer segments obovate, rounded at the apex, 
the 2 inner ones narrower and barely obtuse, all pink or rose-color with 
green midveins: stamens 8, included. On mossy banks along the lower 
Columbia and Willamette rivers. Not flowering until Autumn. 
P. Nuttallii Small Monog. Polyg. 132. P. intermedium Nutt. not 
Ehrh. Glabrous throughout: stem slender and wiry, erect 3-9 inches 
high simple irregularly and divergently branched, dark red: leaves linear- 
lanceolate, 4-18 lines long, acute, sessile, glaucescent beneath more or less 
revolute: ocreae 1-2 lines long, at length lacerate: flowers in the axils of 
the upper leaves, crowded and racemose, erect: calyx greenish, about a 
line long, 5-parted to near the base, the segments oblong, with pinkish 
margins: stamens 8 or fewer, the filaments dilated at base. On grassy 
banks, Brit. Columbia to Oregon. 
P. Kelloggii Greene Fl. Fr. 134. Glabrous throughout: stem slen- 
der, mostly erect, 1-3 inches high, divergently branched from near the 
base: leaves linear or linear-lanceolate 2-6 lines long, acute, sessile, crowd- 
ed on the branches but spreading and not imbricated, much the same size 
throughout: ocreae funnelform a line or less long, thin and early lacerate: 
flowers in small clusters in the axils of the upper Jeaves, contiguous on 
account of the very short internodes making the branches appear like leafy 
