Douglasia. PRBlULACEJi;. 59 



hardly exceeding the narrow teeth of the ohlong calyx. — Ann. Lrc. X. T. i. 34, t. 3, & ii. 

 235. — Alpine region of the Rocky Mountains in Colorado and Xew Mexico, James, &c. 



P. Parryi, Gray. Large, sometimes obscurely puberuleut : leaves rather succulent, 

 spatulate-oblong or oblanceolate, 4 to 12 inches long, often denticulate : scape a span to a 

 foot liigh, 5-12-flowered : bracts of the involucre subulate, much shorter than most of the 

 pedicels : calyx ovoid-campanulate, glandular, commonly reddish ; the lanceolate-subulate 

 lobes as long as the tube, rather longer than the ovoid capsule : corolla crimson-purple 

 with yellow eye; the round-obovate lobes (about o lines long) emarginate or obcordate ; 

 the tube not exceeding the calyx. — .Vmer. Jour. Sci. ser. 2, xxxiv. 237 ; Watson, Bot. Iving, 

 213 ; Hook. f. Bot. Jlag. t. Gly.j. — JIargins of aljjiue brooks, through the higher Rocky 

 Mountains of Colorado (Parry, &c.), to those of Nevada and Arizona. The most showy 

 species. 



P nivalis, Pall. Resembles the preceding, but runs into much smaller forms : leaves 

 from one to 6 inches long, thickish, either entire or closely denticulate : umbel 2-10- 

 flowered : bracts of the involucre ovate-subulate : pedicels usuafly short : calyx-lobes 

 oblong or broadly lanceolate, shorter than the oblong capsule : coroUa lilac-purple ; the 

 lobes oblong or oval, entire (3 or 4 lines long); the tube fuunelform and surpassing the 

 calyx. — "It. appx. t. G, f. 2," ex Ledeb. Fl. Ross. iii. lU; Cham. & Schlecht. in Linn, 

 i. 215; Hook. & Am. Bot. Beech. 129. — Unalasclika to Beliring !>traits and St. Paul's 

 Island ; chiefly the small form, var. pumila, Ledeb. 1. i;. (X. Asia.) 



-i^ -i~ Leaves more or less cuneate. coarsely toothed around the apex or sometimes laciniate, of firm 

 and thickisli texture: bracts of the involucre subulate: pedicels aud deeply cleft calyx obscurely 

 glandular. 



P. cuneifolia, Ledeb. Leaves all rosulate-clustered on the thick short crown, obovatc- 

 cuneate, coarsely laciniate-toothed (3 to 12 lines long), mostly narrowed at base into a long 

 and slender petiole : scape 2 to 4 inches high, 1-scveral-flowered : corolla purple ; the lubes 

 deeply 2-cleft (3 to 5 or even 6 lines long), as long as the funnelform tube. — Mem. Acad. 

 Petersb. (1S14) v. 522, & Fl. Ross. I.e. P. saxifraga;foUa, Lehm. Prim. 89, t. 9; Cham. & 

 Schlecht. 1. c. — Aleutian Islands to Behring Straits. (X. E. Asia.) 



P. sufflrutescens. Gray. Leaves thickly crowded on ligneous-fleshy and tufted creep- 

 ing stems or rootstocks (of a span or so in length), thick, cuneatc-spatulate, 5-7-toothed at 

 summit, long-attenuate below into a margined petiole : scape 2 to 4 inches long, several- 

 flowered : corolla red-purple ; the lobes (three lines long) obovate and emarginate or slightly 

 obcordate, about equalling the tube. — Proc. Am. Acad. Vii. 370, & Bot. Calif, i. 46S. — 

 Crevices of rocks, alpine region of the Sierra Xevada, California. 



4. DOUG-LASIA, Lindl. (Xamed for David Douglas, of Scotland, an inde- 

 fatigable explorer of X. W. Amer. Botany.) — Depressed and tufted little herbs ; 

 the stems branching or proliferous, suffrutescent, or at least persistent ; the leaves 

 small, linear, imbricated or rosulate on the branches, or some of them scattered 

 and alternate. Flowers solitary or somewhat umbellate, small. — Lindl. in 

 Brande Jour. Sci. 1827 (not 1828 as generally cited), .383. & Bot. Eeg. t. 1S8C. ; 

 Gray, Proc. Am. Acad. vii. 371 ; Benth. ct Hook. Gen. ii. 632. Aretia, Gaud., 

 Koch, &c., not L. Gregoria. Duby, Bot. Gall. 1828. .583. & DC. Prodr. viii. 4.5, 

 as to Xo. 1, namely the D. Vitaliana, of Europe, which has yellow flowers: in 

 ours they are rose-purple. 



* Flowers umbellate-clustered from the uppermost rosulate tuft of leaves : tube of the corolla 

 longer than the calyx. 



D. nivalis, Lindl. Canescent with fine close pubescence, 3 or 4 inches high, repeatedly 

 3-4-chotomous : leaves nearly all in proliferous rosulate tufts, not ciliate, rather obtuse, 

 3 to 6 lines long: lobes of the corolla oval, shorter than the tube, 2 lines long. — Bot. Reg. 

 t. 1886. Androsace linearis, Graham in Edinb. PhU. Jour. July, 1820. — Rocky Mountains, 

 in lat. 52°, &c., at 12,000 feet, Douglas. 



D. arctica, Hook. Glabrous: leaves ciliate with short and simple hairs. — Fl. ii. 120. D. 

 nivalis, var. glabra, Duby, in DC. 1. c. 47. — Arctic seashore between the Mackenzie and the 

 Coppermine, Richardson. 



