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 Utati. 

 -.- -.- Leaves all sessile or subsessile, sometimes narrow but not 



acerose. 



-H- Bracts small and scarious. 

 = Flowers small : petals minute or none. 



A. balcalensis CoTille €rontR,Nat-He9(te5„iv,70. SulUria umhellata 

 Turcz. Glabrous, stems very slender, ascendin^< f i Wi—i;alaB.(1i r r roo tstocks, 

 which are clothed with orbicular scale-like, colorless bractgr l^Bjg* sprcad- 

 ing, eUiptical or olong-lanceolate, acute at each end, 4-8 lines longsfiawersf 

 in a simple or compound open umbel-like few-rayed cyme : pedicels elon- 

 gated : sepals ovate-lanceolate, l-nerved, l-2>^ lines long : petals none v 

 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. long'ifolia Britton Mem. Torr. Club v. 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). 



A. longipes Coville Contr. Nat. Herb, iv, 70. Stellaria longipes Goldie. 

 Smooth' and shining or glaucous, erect or ascending, 2-18 inches high : 

 leaves linear to linear-lanceolate, 6-12 lines long, 1-1^ lines wide acute, 

 rather rigid and usually ascending : flowers few, on long slender erect 

 pedicels : sepals scarcely nerved 1)^-2)^ 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. GRAMiNEA L. Sp. 422. Stems ascending, smooth and shining 1-2J^ feet 

 hi^h, sharply 4-angled ; internodes usually elongated : leaves sessile, lan- 

 ceolate or linear-lancecilate, thickish, attenuate, furrowed 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. nlig'inosa Britton 1. c. Stellaria uliginosa Murr. Low, weak, dif- 

 fuse: stems numerous, leaf J : leaves lanceolate or elliptical-lanceolate, 

 6-8 lines long : seeds rugose roughened. Mount Rainier, Piper, to the 

 Eastern States. 



■H- 1* Bracts more or less foliaceous. 

 A. brachypetala. Stellaria brachypetala Bong. S. alpestris Fries S. cor- 

 ollina Fenzl. Glabrous : stems weak and slender, usually erect, 6-20 

 .inches high dichotomously branched above: leaves lanceolate, attenuate, 

 the middle cauline the largest, 1-2 inches long, l-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 AUeka and the Eastern States^ 



** Bi'acti) ieliaceeus, 



