32 CARYOPHYLLACEAE. (Vou. II. 
3. Arenaria Hookeri Nutt. Hooker’s 
Sandwort. (Fig. 1501.) 
Arenaria Hookeri Nutt.; T. & G. Fl. N. A. 1: 178 
1838. 
Tufted from a deep woody root, 2’-3/ high. 
Leaves linear-subulate, rigid, very sharp- 
pointed, densely imbricated, glabrous, 6’/-12/’ 
long; flowering stems short, finely and densely 
pubescent; bracts lanceolate-subulate, scarious- 
margined, the margins ciliolate; cyme dense, 
8’/-18’" broad, its rays short and pubescent; 
sepals lanceolate-subulate, pubescent, shorter 
than the similar bracts and about one-half the 
length of the petals; capsule not seen. 
In dry or rocky soil, Nebraska and Colorado to 
Montana, June-Aug. 
4. Arenaria Féndleri A. Gray. Fendler’s Sandwort. (Fig. 1502.) 
Arenaria Fendleri A. Gray, Mem. Am. Acad. (II.) 4: 
13. 1849. 
Perennial by a woody root, pale green, glandu- 
lar-pubescent above; stems tufted, erect, very 
slender, usually several times forked, 4’-15/ tall, 
the internodes 1/-2’ long. Lower leaves subulate 
or setaceous, glabrous or minutely ciliate, 1/—4’ 
long, about 14’’ wide, theupper gradually smaller 
and somewhat connate at the base; cyme loose, 
its forks filiform, several-flowered; pedicels very 
glandular, 3-12’ long; flowers 4’/-6’’ broad; 
sepals linear-lanceolate, acuminate, scarious- 
margined, nearly as long as the obovate petals; 
capsule narrowly oblong, rather shorter than the 
sepals, 3-valved, the valves 2-toothed. 
In dry, usually rocky soil, Nebraska and Wyoming 
to Utah, south to New Mexico and Arizona, June- 
Aug. 
5. Arenaria biflora (L.) S. Wats. Arctic Sandwort. (Fig. 1503.) 
Stellaria biflora I,. Sp. Pl. 422. 1753. 
Arenaria Sajanensis Willd.; Schlecht. Berl. Mag. Natf. 1816: 200. 
1816. 
Arenaria biflora S. Wats. Bibl. Index, 1: 94. 1878. 
Perennial, stem woody below, tufted, glandular-pubescent, 
1/-2’ high. Leaves linear or linear-lanceolate, sessile and 
sheathing, densely imbricated, somewhat broadest at the 
base, 3’’-4’’ long, semiterete, obtuse, glabrous, ciliate or 
glandular-pubescent, generally falcate, strongly keeled by the 
midvein; peduncles slender, terminal, 1-2-flowered; flowers 
5’’-8” broad; sepals linear-oblong, 3-nerved, obtusish; petals 
obovate, twice as long as the calyx; capsule slightly longer 
than the sepals; seeds smooth. 
Greenland and Labrador to Quebec, west through Arctic Amer- 
ica to Alaska, south in the Rocky Mountains to Arizona. Also in 
Asia. Summer. 
