82 CARYOPHYLLACE. _ ALSINE. 
acuminate, 3-nerved, 2 lines long, twice longer than the deeply lobed pet- 
als which are sometimes wanting: capsule oblong, shorter than the sepals. 
Common in moist open places, Washington to California, east to Utah. 
+ + Leavesall sessile or subsessile, sometimes narrow but not 
acerose. 
++ Braects small and scarious. 
= Flowers small: petals minute or none. 
A. baiealensis Coville Contr. Nat. Herb. iv, 70. Stellaria umbellata 
Turez. Glabrous, stems very slender, ascending from slender rootstocks, 
which are clothed with orbicular scale-like, colorless bracts: leaves spread- 
ing, elliptical or olong-lanceolate, acute at each end, 4-8 lines long: flowers 
in a simple or compound open umbel-like few-rayed cyme: pedicels. elon- 
gated: sepals ovate-lanceolate, Il-nerved, 1-24 lines long: petals none: 
mature capsule twice longer than the calyx. Rocky Mountains to Union 
county, Oregon, Cusick. 
= = Flowers of medium size: petals equalling or exceeding the 
calyx. ; 
a Seeds essentially smooth. 
A. longifolia Britton Mem. Torr. Club y. 150. Stellaria longifolia Muhl. 
Stems sharply 4-angled, commonly 8 inches or more in height: leaves lin- 
ear or linear-oblong, somewhat narrowed at each end, thickish, often cili- 
ate toward the base; the larger ones 1-2 inches long: flowers rather 
numerous in a lateral long-peduncled open cyme; pedicels spreading, hori- 
zontal or deflexed: petals and capsule exceeding the sepals: seeds smooth. 
Idaho to Canada and Maryland. (Europe and Asia). sie 
A. longipes Coville Contr. Nat. Herb. iv,70. Steilaria longipes Goldie. 
Smooth and shining or glaucous, erect ‘or ascending, 2-18 inches high : 
leaves linear to linear-lanceolate, 6-12 Jines long, 1-144 lines wide acute, 
rather rigid and usually ascending: flowers few, on long slender erect 
pedicels: sepals. scarcely nerved 144-24 lines long: petals about equal- 
ling the calyx: mature capsule longer than the calyx. About springs etc., 
eastern Washington to California, east to the Atlantic. 
b Seeds distinctly rugose-roughened. under a lens. 
“A. Gramrnea L, Sp. 422. Stems ascending, smooth and shining 1-24 feet 
high, sharply 4-angled; internodes usually elongated: leaves sessile, lan- 
ceolate or linear-lanceolate, thickish, attenuate, Farrow above and with 
midrib prominent beneath, inflorescence a broad terminal pedunculate 
cyme, often with one or two smaller cymes at its base; pedicels elongated 
spreading or deflexed: capsule exceeding the calyx: seeds rugose, rough- 
ened. Introduced from Europe. 
A. uliginosa Britton 1. ¢. Stellaria uliginosa Murr. Low, weak, dit- 
fuse: stems numerous, leafy: leaves lanceolate or elliptical-lanceolate, 
6-8 lines long: seeds rugose roughened. Mount Rainier, Piper, to the 
Eastern States. eth 
++ ++ Bracts wore or less foliaceous. 
A. brachypetala. Stellaria brachypetala Bong. S. alpestris Fries S. cor- 
ollina Fenzl. Glabrous: stems cake and slender, usually erect, 6-20 
inches high dichotomously branched above: leaves lanceolate, attenuate, 
the middle cauline the largest, 1-2 inches long, 1-nerved: pedicels in the 
forks of the dichotomous branches, slender, spreading, 8-12 lines long: 
sepals lanceolate, acute, scarious margined about a line long: petals 
shorter than the sepals, 2-parted, the segments lanceolate, acute: capsule 
oblong-ovoid exceeding the sepals, seeds smooth. In wet places, Oregon 
to Alaska and the Eastern States. . 
+» Bracts foliaceous. 
