PRIMULACE^. (PRIMROSE FAMILY.; •J:]3 



1. D. Meadia, L. Leaves crowded on a tliickish crown, generallv spatu- 

 late-oblonrj or ublanceolate and entire or nearly so, sometimes repaud, ol»tu8e, 

 below tapering into a more or less margined petiole: sc-ape from a span to 

 2 feet higb : flowers few to many in an umbel ; bracts of tlie involucre linear 

 or subulate, small; pedicels slender and nodding witb tbc flowers, erect iu 

 fruit. — Tliroughout the coutinent and exceedingly variable, especiallv west- 

 ward. 



Var. alpinum, Gray. Leaves oblanceolate or spatulate, i to 1.^ inch long. 

 entire, mucronate : scape 2 to 10 inches long, 1 to 4-flowered. — Svnopt. Fl. ii. 

 57. From tlie Kocky Mountains to the Sierras. 



Var. frigidum, Gray. Leaves from obovate to oldong, very obtu.se, 

 mostly entire, 1 to 2 inches long, with a slender petiole: scajte a span (»r two 

 high, few to several-flowered : lobes of the calyx longer than the tube, from 

 broadly lanceolate to almost ovate, shorter than the capsule. — Synopt. Fl. ii. 

 57. Rocky Mountains, Sierras, and far northward. 



Var. latilobum, Gray. Leaves thin, ovate or oval, rei)and or umlulate- 

 toothed, long-petioled : scape a span to a foot high, one to several-flowered: 

 calyx-lobes not longer than the tube, ovate or triangular-ovate, al)out half the 

 lengtli of the capsule. — Synopt. Fl. ii. 58. Wasatch Mountains to Wash- 

 ington and British Columbia. 



2. PRIMULA, L. Primrose. 



Flowers sometimes dimorphous. Perennial plants, mostly with fibrous roots 

 from a short crown, glabrous or nearly so. 



* Flowers small ; tube of the salverform corolla not over 2 or 3 lines lonr/ and little 

 surpassing the cali/x ; throat with more or less of a callous ring or processes. 



1. P. farinosa, L. More or less white mealy on the leaves, calyx, etc., 

 at least when young: leaves from cuneate-la'.ceolate to obovate-oblong or 

 spatulate, denticulate, an inch or less long, tapering into a short margined 

 petiole : scape 3 to 9 inches higli : umbel few to several-flowered, close : corolla 

 from flesh-color to lilac, with yellowish eye ; the lobes cuneate-ol»cordate, rather 

 distant at base. — From Colorado northward, thence eastward to Maine and 

 Labrador. 



* * Floivers larger; tube of the corolla from 3 to 6 lijies long; throat open and 



unappendaged : leaves clustered on the short erect subterranean crown. 



2. P. angUStifolia, Torr. Small : scojte \-Jlnwered, 1 or 2 inchs high, 

 e(iualling the Utna ulate-sjKitulafe obtuse entire short-])etioled /rrnv.s'; involucre 

 of 1 or 2 minute bracts : lobes of the lilar-pnrple corolla obovate, emarginatc 

 (3 or 4 lines long) ; the tube hardly exceeding the narrow teeth of the oblong 

 calyx. — Ann. Lye. N. Y. i. 34. Alpine in Colorado and New Mexico. 



3. P. Parryi, Gray. Large: leaves rather succulent, spatulate-olilong nr 

 oblanceolate, 4 to 12 inches long, often denticulate : scape a span to afoot high, 5 to 

 \2flowered: bracts of the involucre subulate: calgT ovoid-campanulatc. /;/«/««/• 

 ular, commonlji reddish; the lanceolate-subulate lobes as l(»ng a** the tube: 

 corolla crimson-purple icith i/ellow ege ; the round obovate lobes (5 lines long) 

 emarginate or obcordate. — Amer. Jour. Sci. ii. xxxiv. 257. Along alpine 

 brooks from Colorado to Arizona and Nevada. 



