270 ALSINACEAE 



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almost erect; calyx 4-5 mm. long; sepals narrowly scarious-margined; petals 

 5-6 mm. long. Stellaria stricta Richards. S. longipes Am. auth., not Goldie. 

 Wet meadows: w Ont. — Colo. — Calif. — -B.C. Plain — Subalp, My-Au. 



r 



7. A. longipes (Goldie) Coville. Stem much branched, 4^angled, 1-3 dm. 



high; leaves linear-lanceolate, 1-3 cm. long, glabrous, rather firm, shining; 

 pedicels 2-5 cm. long; calyx 4-5 mm. long; sepals broadly scarious-margined; 

 petals slightly exceeding the sepals. S, longipes Goldie. S. valida Goodding. 

 Wet places: Greenl. — Que. — -Colo. — Calif. — Alaska. Submont. — Mont. Jl-Au. 



8. A. laeta (Richards.) Rydb. Stem 5-15, rarely 20 cm. long, densely leafy; 

 leaves 1-2 cm. long, 2-4 mm. wide, bluish green, sometimes glaucous, shining; 

 bracts foliaceous, or (in several flowered plants) the upper scarious; pedicels 

 erect; sepals narrowly lanceolate, very acute, almost equalling the capsule; 

 petals about 5 mm. long. Wet places in the mountains; Hudson Bay — ^N.M. — 

 Calif. — -Alaska — -Arctic Sea. Mont, — Alp. My-Au. 



9. A. Edwaxdsii (R. Br.) Rydb. Stem 3-10 cm. high, glabrous or some- 

 what pubescent; leaves 3-10 mm. long, crowded, thick and keeled; bracts all 

 foliaceous or the upper with scarious margins; calyx about 4 mm. long; sepals 

 3-nervcd, with narrow scarious margins; petals 5-6 mm. long. S. Edwardsii 

 R. Br. Arctic-alpine situations: Greenl. — Lab. — Hudson Bay — B.C. — Alaska. 

 Subalp, — Alp, Jl-Au. 



10. A, subvestita (Greene) Rydb. Stem branched at the base, 5-10 cm. 

 high, usually somewhat pilose; leaves numerous, linear-lanceolate, firm, 8-15 

 mm. long, 1-nerved; bracts ovate, scarious; calyx 2-3 mm. long; sepals ovate- 

 lanceolate, usually obtuse, scarious-margined, slightly shorter than the petals 

 and capsule. S. subvestita Greene, Open places: Hudson Bay — Alta. — B.C. — 

 Alaska. Subalp, — Boreal. Je-Jl. 



11. A. crassif olia (Ehrh.) Britton. Stem weak, ascending, with short inter- 

 nodes, 2-4 dm. long; leaves small, 6-20 mm. long, lanceolate or oblor 

 acutish; cymes few^-flowered; sepals ovate-lanceolate, acuminate, at out 3 mm. 

 long, exceeded by the petals. S, crassif olia Ehrh. Wet ground: Lab. — Pa. 

 Colo. — Alta. Mont, — Subalp, Je-Au. 



borealis ( 



leaves 1-4 



5-4 



flexed; sepals ovate-lanceolate, 3^ mm. long. S. borealis Bigel. Wet places: 

 Lab. — N.J. — Colo. — Calif.— Alaska, Submont, — Mont, Jl-S. 



13. A. brach3rpetala (Bong.) Howell. Stem erect, 3-6 dm. high, sharply 

 4-angled; leaves linear-lanceolate, broad at the base, 2-6 cm. long; inflorescence 

 leafy; pedicels reflexed in fruit; calyx about 5 mm. long; sepals narrowly lance- 

 olate, very acute, about twice as long as the petals. S, brachypetala Bong. Wet 

 places: Mont. — Wyo. — Utah — Calif. — ^Alaska, Submont, — Mont, My-Au, 



14. A. oxyphylla (B. L. Robins.) Heller. Stem decumbent and rooting at 

 the base, 3-5 dm. high, glabrous except the pubescent lines; leaves elongate- 

 lanceolate, narrowed at the base, caudate-attenuate, 5-12 cm. long, sparingly 

 ciliate on the margin; pedicels at length deflexed; sepals about 6 mm. long, 

 lanceolate, attenuate, somewhat scarious-margined; petals about two-thirds as 

 long. S. oxyphylla B. L. Robing. Wet places: Ida. SubmoJiL Jl. 



16, A. crispa (Cham. & Schlecht.) Holz. Stems weak, decumbent, 1-3 dm. 

 long; leaves ovate, usually crisp on the margins, 5-20 mm. long, short -acuminate; 

 flowers axillary, solitary^; sei)als lanceolate, acute, scarious-margined, exceeding 

 the acute capsule; petals minute or none. S, crispa Cham. & Schlecht. A. 

 viridula Piper is a form with sUghtly ciliate petioles. Mountains, in wet places: 

 Alta. — Wyo. — Calif.— Alaska. Submont,— Mont, Ap-Jl. 



16. A. obtusa (Engelm.) Rose. Stems numerous, glabrous, decumbent or 

 prostrate, 5-15 cm. long, angled; leaves ovate, thin, acute, 8-10 mm. long; 

 flowers axillary, solitary; sepals ovate, obtuse, scarcely at all scarious, shorter 

 than the obtuse capsule. S. obtusa Engelm. Wet places in the motmtains: 

 Alta.— Colo.—Utah— Wash.— B.C. Mont, Je-Au. 



