60 PRIMULACE.^. Douglasia. 



* * Flowers solitary terminating the leafy slioots : tube of the corolla barely equalling the calyx : 

 leaves more or lessimbricated in the manner of D. Vitaliaha. 



D. montana, Gray. Pulvinate-cespitose, an inch or two high, nearly glabrous : leaves 

 subulate, minutely somewhat ciliate, 2 lines long, somewhat interruptedly imbricate-clus- 

 tered : pedicel not longer than the flower, 1-2-bracteolate near the calyx : corolla-lobes 

 cuueate-obovate, 2 lines long. — Proc. Am. Acad. vii. 371. — Rocky Mountains around 

 Helena City, Montana, M. A. Brown. Owl Creek Mts., Wyoming, J. D. Putnam. 



5. ANDROSACE, Tourn. (Ancient Greek name of some sea-plant or 

 zoophyte, curiously transferred to these little plants of the mountains.) — Small 

 annuals or perennials, of various habit, numerous in species in the Old World, 

 few in the colder regions of the New : fl. summer. 



* Perennials, proliferously branched at base and cespitose : leaves rosulate-imbricated at the base 

 of the many-flowered scapes : capsule usually few-seeded : umbel several-flowered. 



A. Chamaejasme, Host. Leaves in more or less open rosulate tufts, from lanceolate 

 to oblong-spatulate or ovate, carinate-1-nerved (.3 to 6 lines long), at least their margins 

 with the scape (1 to 3 inches high) and somewhat capitate umbel villous with many-jointed 

 hairs : corolla white with yellowish eye (3 or 4 lines in diameter). — Koch, Syn. ed. 2,671 ; 

 Hook. Fl. ii. 119. A. carinata, Torr. in Ann. Lye. N. Y. i. 30, t. 1; Sweet, Brit. Fl. Gard. 

 ser. 2, 1. 106. A. villosa, var. lati/oUa, Ledeb. Fl. Alt. ; Herder, Bot. Radde, iii. 118. Indeed 

 it may pass into A. villosa, L. — Alpine region of the Rocky Mountains from Colorado 

 northward to the arctic coast, Behring Straits and islands. (N. E. Asia to Eu.) 



* * Annuals, acaulescent, with slender root, an open rosulate circle of leaves, and naked scapes, 

 bearing an involucrate few-many-flowered umbel: capsule many-seeded : corolla white, small. 



■i— Calyx-tube obpyraniidal in fruit, whitish with conspicuous green teeth, which uiostlj' surpass 



the capsule. 



A. occidentalis, Pursh. Minutely pubescent, not over 3 inches high : radical leaves 



• and those of the conspicuous involucre oblong-ovate or spatulate, entire, sessile : scapes 

 diffuse': bracts of tbe involucre ovate or oblong: lobes of the calyx triangular-lanceolate: 

 oblong or deltoid, as long as the tube, still longer in fruit, foliaceous : lobes of the corolla 

 oblong, shorter than the calyx. — Fl. i. 137 ; Nutt. Gen. i. 118. — Banks of the Missouri 

 from the mountains down to St. Louis, and extending down the Mississippi, and into Illi- 

 nois : also Utah, Colorado, and New Mexico. 



A. septentrionalis, L. Almost glabrous : leaves lanceolate or oblong-lanceolate, nar- 

 rowed at base (often into a sort of winged petiole), from irregularly denticulate to laciniate- 

 toothed : scapes erect, usually numerous, 2 to 10 inches high : bracts of the small involucre 

 subulate : umbel several-many-flowered : pedicels filiform, mostly long : lobes of the calyx 

 mostly shorter than the tube, rather shorter than the obovate lobes of the corolla, from 

 triangular to subulate-lanceolate, acute. — Lam. 111. t. 98, f. 2; Fl. Dan. t. 7 ; Bot. Mag. 

 t. 2021. A. elongata, Richards., not L. A. linearis, Graham in Edinb. Phil. Jour. 1829'? — 

 Rocky Mountains, both high alpine (and small), and at much lower elevations. New Mexico 

 and Nevada to tlie arctic sea coast : also N. W. coast. (Kamtschatka to Eu. ) 



Var. subulifera. Lobes of the calyx slender-subulate, as long as the tube, surpass- 

 ing the corolla. — Rocky Mountains near Boulder City, Colorado, H. G. French. San 

 Bernardino, California, Pnrry & Lemmon. 



H— -t— ' Calyx-tube hemispherical in fruit ; the short teeth barely greenish and rather shorter than 

 the globularcapsule. 



A. filiformis, Retz. Glabrous: leaves, scapes (1 to 4 inches high), and pedicels nearly 

 as in the preceding or more capillary : flowers less than a line and globose capsule only a 

 line long: calyx-teeth broadly triangular, shorter than the very small corolla. — Obs. ii. 

 10; DC. Prodr. viii. 53; Reichenb. Ic. Germ. xvii. t. 69 ; Gray, in Proc. Acad. Pliilad. 1863, 

 70. — Rocky Mountains, from Colorado and Utah to Wyoming. (N. Asia.) 



6. TRIENTALIS, L. Star-flower, Chickweed-WinterCxUeen. 

 (Latin, for the third of a foot high.) — Low and glabrous perennials ; the simple 

 st,em, from filiform rootstock somewhat tuberous-thickened at apex, bearing scat- 



