642 LILIACE^fi ALLIOM 



A. Watsoni. Scape slender, 2-3 inches high, narrowly margined : bulb 

 ovoid, 4-6 lines in diameter: leaves 4-6 inches long, about 2 lines wide : 

 bracts of the spathe lanceolate to ovate, acuminate, about 6 lines long: 

 umbel rather loosely several- to many-flowered : pedicels erect or ascend- 

 ing, 4-8 lines long: segments of the perianth lanceolate, acute, 3-4 lines 

 long, light rose-color to pink, with dark mid-nerves, slightly exceeding the 

 stamens In open places in the Coast Mountains of middle Oregon. Dedi- 

 cated to the late Sereno Watson, who in 1881 recognized it as an unde- 

 scribed species but did not publish it for want of good material. Speci- 

 mens from the Blue mountains of Oregon appear to be of this species. 



A. Cusickii Watson Proc. Am. Acad. xiv, 228. Scape 3-4 inches 

 high : bulb ovoid, 5-6 lines in diameter : leaves falcate, 4-6 inches long, 2-4 

 lines wide: bracts of the spathe ovate, acuminate, 6-8 lines long: pedicels 

 slender, 8-12 lines long : segments of the perianth broad lanceolate, gradu- 

 ally acuminate, 5-6 lines long, nearly white to pink, distinctly gibbous at 

 base nearly twice as long as the stamens : cells of the ovary shortly apicu- 

 late. Uuion County, Oregon. 



A. falcifolium H. & A. Bot. Beech. 400. Scape stout, prominently 

 winged, 2-6 inches high : leaves narrowly lanceolate, 2-6 inches long, 4-6 

 lines wide, strongly falcate : bracts of the spathe broadly lanceolate to 

 ovate, gradually acuminate, 6-8 lines long: umbel loosely many-flowered : 

 pedicels rather stout, 6-18 lines long, erect or ascending: segments of the 

 perianth with broadly lanceolate base and long attenuate somewhat spread- 

 ing tips, rose-color to pink, gibbous at base, minutely serrulate, 7-8 lines 

 long, nearly twice as long as the stamens : capsule acute, with 3 short 

 narrow central crests. On dry rocky ridges, southern Oregon to California. 



A. anceps Kellogg Proc. Am. Acad. ii, 109, fig. 32. Scapes 2-4 inches 

 high, somewhat flattened and margined: leaves longer than the scape, 2-5 

 lines wide: umbel rather densely many-flowered: pedicels very slender, 

 6-9 lines long, erect or spreading : segments of the perianth very narrowly 

 lanceolate, acuminate, lax, scarcely gibbous at base, nearly white with 

 purple midveins, 3-5 lines long, little longer than the stamens and style : 

 cells of the capsule with two broad obtuse crests. Eastern Oregon to Ne- 

 vada and California, 



A. pleianthmn Watson 1. c. 233. Scape slender, 3-5 inches high : 

 leaves falcate, 5-7 inches long, 2-5 lines wide: bracts of the spathe broadly 

 ovate, acute and shortly acuminate: umbel rather loosely many -flowered: 

 pedicels slender, 8-15 lines long, erect or ascending: segments of the peri- 

 anth lanceolate, acuminate, gibbous at base, white to light rose-color, about 

 5 lines long, nearly twice as long as the stamens: ovary and capsule promi- 

 nently 6-crested. On high hills in the John Day Valley, eastern Oregon. 



A. crenulatum Wiegand Bull. Torr. Bot. Club xxvi. 135. Scape 2-3 

 inches high, the wings crenulately roughened : leaves 2-3 inches long, 

 about a line wide, recurved, the margins crenulate : bracts of the spathe 

 ovate-oblong, acute, about 5 lines long: umbel few-flowered: pedicels 

 shorter than the flowers : segments of the perianth pink, lanceolate, acutish, 

 4 lines long, twice as long as the stamens : ovary 6-crested at the summit. 

 In loose ground near the summit of the Olympic Mountains, Washington. 



A. Tolmiei Baker Bot. Mag. under t. 6227. Scapes 3-5 inches high, 

 conspicuously winged, smooth : leaves falcate, 4-6 inches long by 3-4 lines 

 wide: bracts of the spathe broadly ovate, abruptly acuminate, 6-8 lines 

 long: umbel rather densely few- to many -flowered": pedicels slender, 5-8 

 lines long, erect or spreading : segments of the perianth light rose-color to 

 white, lanceolate, acute, about 5 lines long twice as long as the stamens : 

 ovary very obscurely crested. On rocky ridges, eastern Oregon and 

 Washington to Utah. 



