248 PROCEEDINGS OF THE AMERICAN ACADEMY 



an inch long : flowers usually 2 or 3 together, nearly sessile, erect : 

 calyx much inflated, densely pubescent, 5 or 6 lines long, with short 

 rounded teeth, 2>ui*plish and strongly veined : petals light rose-color, 

 7 or 8 lines long ; blade narrowly obcordate, nearly 2 lines broad ; 

 appendages rather prominent, entire ; claw narrowly auricled. — Green- 

 land, from Polaris Bay (Dr. Bessel) southward. 



7. L. Californica. Slender, cespitose, glandular-puberulent above, 

 nearly glabrous below, 2 to 4 inches high, deep green : leaves linear 

 to linear-oblanceolate, an inch or two long, ciliate at base : flowers 1 to 

 3, on slender pedicels : calyx ovate-campanulate, 4 or 5 lines long, 

 deeply toothed, the teeth ovate-triangular, acutish : petals about 7 lines 

 long, the obovate blade bifid, lobed on each side near the base ; ap- 

 pendages prominent, entire or toothed ; claw broadly auricled, the 

 auricles prolonged upward : capsule shortly stipitate : styles sometimes 

 only 3 or 4. — In the high Sierra Nevada; near Ebbett's Pass (n. 2081 

 Brewer), on Mount Dana (H. N. Bolander), and in Sierra or Plumas 

 County, J. G. Lemmon. 



++ ++ Taller, not alpine nor arctic. 

 = Petals included or nearly so. 



8. L. Drummondii, Watson. Stems strict and rather stout, a 

 foot or two high, finely glandular-pubescent above : leaves narrowly 

 oblanceolate, 2 or 3 inches long, erect: flowers few, erect, on stout 

 often elongated strictly erect pedicels : calyx cylindric, becoming 

 oblong-ovate, 5 or 6 lines long, with short acutish teeth : petals rarely 

 slightly exserted, white or purple, the entire or emarginate blade nar- 

 rower than the auricled (a line wide) claw ; appendages minute : cap- 

 sule nearly sessile. — King's Rep. 37 ; Silene Drummondii, Hook. Fl. 

 i. 89 ; L. apetala. Gray, 1. c, in part. Winnipeg Valley and on the 

 Saskatchewan, and in the mountains to New Mexico and S. Utah. 



= = Petals long-exserted. 



9. L. NUDA, Watson, 1. c. Slender, finely pubescent, a foot high : 

 leaves narrowly oblanceolate, 2 or 3 inches long : flowers on slender 

 pedicels, nodding, at length erect : calyx 4 to nearly 6 lines long, 

 cylindric becoming ovate-oblong, with rather narrow acutish teeth : 

 petals white or rose-colored, 8 lines long, the broad limb 2-parted 

 with the segments deeply bifid, the lobes irregular and mostly acute ; 

 appendages ovate, entire, thickish ; claw broadly auricled, margined to 

 the base : capsule nearly sessile. — East Humboldt Mountains, Nevada. 



10. L. Parryi. Slender, finely pubescent, glandular above, a 

 foot high or less : leaves linear, an inch long or more : flowers erect 



