588 ONAGRACEAE 



petals 4-5 mm. long; pod 4-5 cm. long, more or less crisp and glandular; seeds 

 without a neck; coma white. Wet places: Colo. Wyo. Utah. Submont. 

 Subalp. Jl-Au. 



14. E. saximontanum Haussk. Perennial, with turions; stem simple, 

 ascending or suberect, 1-2 dm. (rarely 3 dm.) high; leaves pale green, glabrous, 

 1-3 cm. long, the lower ovate, entire, the upper ovate-lanceolate, denticulate; 

 petals 3-5 mm. long; capsules glabrous, about 4 cm. long, short-pedicelled ; seeds 

 acute at each end. Near springs: Alta. Wyo. B.C. Submont. Subalp. 

 Jl-Au. 



15. E. Drummondii Haussk. Perennial, with turions; stem strict, erect, 

 2-4 dm. high, pale, glabrous; leaves pale, 2-4 cm. long, repand-dentate ; petals 



4 mm. long; capsule 3-5 cm. long, slender-pedicelled ; seeds acute at each end, 

 minutely apiculate; coma dingy. Wet places: Sask. S.D. Colo. Utah 

 B.C. Submont. Mont. Je-Au. 



16. E. delicatum Trelease. Perennial, with turions; stem slender, 1-3 dm. 

 high, glabrous, with crisp-hairy lines above; leaves 2-7 cm. long, mostly spread- 

 ing, lanceolate, obtuse, undulate-denticulate, thin and pale; petals about 5 mm. 

 long; capsule 4-6 cm. long, slender-pedicelled; seeds papillose, apiculate; coma 

 dingy. Wet places: Wash. Mont. Wyo. Ore. Jl-Au. 



17. E. alpinum L. Stem ascending or decumbent at the base, 1-3 dm. 

 high, glabrous; leaves elliptic, rather obtuse, 2-5 cm. long, glabrous, the upper 

 often alternate; petals about 3 mm. long; capsules slender, about 5 cm. long, 

 with long pedicels; seeds smooth, beaked. E. lactiflorum Haussk. E. cana- 

 dense Lev., a somewhat puberulent form. Wet places in the mountains and in 

 arctic regions: Greenl. N.H. S.D. Colo. Calif. Alaska; n Eu. and ne 

 Asia. Mont. Alp. 



18. E. Hornexnannii Reichenb. Stem 1-3 dm. high, ascending, somewhat 

 crisp-hairy on the decurrent lines and in the inflorescence; leaves 2-4 cm. long, 

 elliptic or oval, mostly obtuse; flowers few, erect; petals 5-7 mm. long; capsule 



5 cm. long, on slender peduncles; seeds usually rough, short-apiculate; coma 

 dingy. Wet places on the mountain sides and in arctic regions: Greenl. N.H. 

 S.D. Colo. Calif. Alaska; n Eurasia. Mont. Subalp. Je-Au. 



19. E. anagallidifolium Lam. Stem about 1 dm. high, usually S-bent, 

 somewhat crisp-hairy, at least on the decurrent lines; leaves 1-2 cm. long, oval 

 or oblong, obtuse; petals lilac or rose, 4-5 mm. long; capsules 2-4 cm. long, 

 slender-pedicelled, cylindric; seeds short-apiculate; coma dingy. In wet places 

 in alpine-arctic situations: Greenl. Lab. Alta. Colo. (? Calif.) Alaska; Eur- 

 asia. Subalp. Alp. Je-Au. 



20. E. clavatum Trelease. Stems ascending or decumbent, 1 dm. high or 

 less, glabrate or sparingly glandular; leaves 1-2 cm. long, divergent, broadly 

 oval, obtuse; petals rose-colored, about 5 mm. long; capsule about 2.5 cm. long, 

 more or less arcuate; seeds fusiform, papillose; coma dingy. Alpine peaks: 

 Alta. Colo. Utah B.C. Mont. Alp. Jl-Au. 



21. E. pregonense Haussk. Stem 1-2 dm. high, simple, erect, glabrous, 

 often purplish above, 1-few-flowered; leaves obtuse, glabrous, entire or remotely 

 and minutely denticulate, 1-1.5 cm. long; petals violet or rose, 3-5 mm. long; 

 capsules 2-4 cm. long, on pedicels of about the same length; seeds apiculate. 

 Bogs: B.C. Ida. Nev. Calif. Mont. Subalp. Je-Au. 



22. E. glaberrimum Barbey. Stems erect, simple, 3-6 dm. high, glabrous, 

 terete; leaves ascending, 2-5 cm. long, the lowest oblanceolate, entire or repand, 

 narrowed at each end; petals purplish, rose, or rarely white, 5-8 mm. long; cap- 

 sule 7.5 cm. long, linear-falcate, distinctly pedicelled; seeds very rough; coma 

 dingy. Wet places: Wash. Ida. Calif. Mont. Jl-Au. 



23. E. platyphyllum Rydb. Stems ascending or erect, glabrous, without 

 decurrent lines, terete; leaves rounded or. subcordate at the base, acute, or the 

 lower obtuse, entire or minutely denticulate, 1.5-2.5 cm. long; petals pale, about 

 4 mm. long; capsules glabrous, about 5 cm. long, on short pedicels; seeds not 



