648 PRIMULACEAE 



icana Rydb. Swamps and wet meadows: Sask. — Colo. — Utah — Alta. Sub- 

 monL Je-Au. 



4. P. specuicola Rydb. Leaves 5-13 cm. long, thin, slightly farinose when 

 young, in age glabrate, spatulate or elliptic, obtuse at the apex, sinuate-dentate; 

 scape 1-1.5 cm. long; umbels 10-20-flowered; bracts 5-10 mm. long; calyx densely 

 farinose; tube deeply campanulate, 3-5 mm. long; lobes linear-oblong, 2.5-3.5 

 mp. long, obtusish; corolla-tube yellomsh; lobes cuneate, merely emarginate, 

 with a broad sinus, dark violet, about 3 mm. long. Under overhanging cliffs: 

 s Utah. Son. F-Je. 



6. P. angustifolia Torr. Leaf-blades from linear-oblanceolate to spatu- 

 late, 1-5 cm. long, glabrous and fleshy, entire-margined, obtuse; scape 1-5 cm. 

 high, usually 1-flowered; calyx three-fourths as long as the corolla-tube to 

 almost equalling it; calyx-tube obconic; lobes linear-lanceolate, acute; corolla 

 about 1 cm. long; lobes emarginate, 5-8 mm. long. Alpine peaks: Colo. Aljp. 

 Je-Jl. 



^ 6. P. Broadheadae M. E. Jones. Leaf-blades elliptic, 2-8 cm. long, gla- 

 brous, entire-margined, rather thick, rounded at the apex; scape 5-10 cm. high, 

 1-4-flowered; calyx haK as long as the corolla-tube, about 6 mm. long; lobes 

 lanceolate, acute; corolla purple; lobes rounded, emarginate, 4-6 mm. long. 

 Marshy places: Ida.— Utah. Submonl.—Mont. My-Je. 



7. P. Parryi A. Gray. Leaf-blades oblong or oblanceolate, 5-15 cm. long^ 



fleshy, puberulent, callous-denticulate or entire, acute or obtuse and mucronate; 



scape 1-3 dm. high, several- to man3'-flowered; bracts lanceolate, 0.5-2 cm. long; 



calyx usually shorter than the corolla-tube; lobes lanceolate, acuminate; corolla 



strongly scented, 12-15 mm. long, purple; lobes rounded, notched. Wet places 



, among rocks and along streams: Mont.— Colo.— Ariz.— Ida. SubmonL— Sub- 

 alp, 



2. DOUGLASIA Lindl. Mountain Pink. 



Depressed and tufted perennials, \vnth suffruticose bases. Leaves imbricate 

 ^ J *^^5^^'^6d at the ends of the branches. Flowers in small umbels, sometimes 

 reduced to one flower. Calyx campanulate, persistent, 5-lobed. Corolla salver- 

 shaped; tube equalling or surpassing the calyx; throat more or less contracted^ 

 and 5-fornicate within. Stamens included, with short filaments. Style filiform; 

 ovary 1-celled, 5-ovuled. Capsule 1,-2-seeded. 



Peduncles with several flowers in an xmibel; leaves steUate-pruinose. not caiate. 



„ , , , 1. D. nivalis. 



FeUimcles 1-3-flowered ; leaves ciliolate ou the margins. 2. D. montana. 



1. D. nivalis Lindl. Plant 5-10 cm. high, 3-4-chotomously branched, with 

 several successive tufts of leaves; leaves thick, sessile, linear, obtusish, stellate- 

 prumose, not ciliate, 6-12 mm. long; bracts similar to the leaves, but shorter; 

 calyx shorter than the corolla-tube; lobes lanceolate, acute; corolla 7-8 mm. long; 

 lobes oval, about 4 mm. long. High mountains: B.C.— Wash.— Alta. Alp, 



2. D. montana A, Gray. Cespitose perennial; leaves 3-8 mm. long; ped- 

 uncles 0.5-3 cm. long; bracts subulate; calyx equalling the corolla-tube; lobes 

 lanceolate; corolla purple or lilac, 6-8 mm. long; lobes cuneate or obovate, 3-4 

 mm. long. D. bifiora A. Nels. Mountain tops and dry hills: Mont.— Wyo.— 

 Ore. Submont.—Subalp. My-Jl. 



3. DROSACE A. Nels. 



Tufted perennials, with a cespitose caudex. Leaves rosulate at the ends of 

 the branches. Flowers umbellate, on short scapes. Calyx campanulate, per- 

 sistent. Corolla white, with a yellow eye, short salver-shaped; tube shorter than 

 the calyx; throat more or less constricted. Stamens 5, included. Style short; 

 stigma capitate. Capsule few-seeded. 



Leaves without thickened midrib, Ilnear-oblanceolate, about 1 cm. long; pedicels much 

 longer than the calyx, nearly equaUing the bracts. 1. D. albertina. 



Leaves oblanceolate. about 5 mm. long, at least the old ones with the midrib thickened 

 on the under side; pedicels shorter than the calyx. 2. D. carinata. 



