OF ARTS AND SCIENCES. Fao 
short, abruptly acute: pedicels stouter: perianth-segments more ob- 
tuse, broader, 3 or 4 lines long. — Proc. Calif. Acad. 3. 54, f. 13. 
A, tribracteatum, var. Andersoni, Watson, 1. c. 353. East base of 
Sierra Nevada (Carson City to Plumas County). 
38. A. MacRuM. Bulb-coats without reticulation: leaves more 
distinctly sheathing. scape an inch or two high: spathe-valves 2, 
abruptly acute: umbel more spreading; pedicels slender, 2 or 3 lines 
long: perianth white or pinkish, 2 or 3 lines long ; segments narrowly 
lanceolate, acuminate, scarcely exceeding the stamens and style: cells 
of the ovary bordered above by a thick obtuse ridge. — Union County, 
Oregon, on rocky hills; W. C. Cusick, n. 40, 1877. 
§ 3. Bulbs ovate, not rhizomatous, the membranous coats mostly without 
reticulation: leaves 2, broadly linear, flat and falcate, thick: scape stout, 
much compressed and 2-winged, low and mostly shorter than the leaves. 
* Spathe 2-valved: stamens included: ovary mostly crested. 
39, -A. FALCIFOLIUM, Hook. & Arn. Scape 2 or 3 inches high: 
flowers rose-colored, 4 to 6 lines long ; segments lanceolate, attenuate 
and spreading above, minutely glandular-serrate, nearly twice longer 
than the stamens and style: capsule acute with 3 short narrow central 
crests. — Bot. Beechey, 400; Watson, 1. c. 488, t. 36, 1.7, 8. Coast 
Ranges (Sonoma to Humboldt Counties). 
40. A. Brewer. Flowers deep rose-color, 5 or 6 lines long; seg- 
ments lanceolate, acute, nearly erect, not serrulate, a third longer 
than the stamens and style: ovary and capsule with a thick slightly. 
lobed crest at the apex of each cell. — Summit of Mount Diablo, 
California ; n. 1060, Brewer. 
41. A. anceps, Kellogg. Bulb-coats sometimes with minute trans- 
versely oblong reticulation: pedicels very slender, 6 to 9 lines long: 
flowers nearly white with purplish midveins, 3 or 4 lines long; seg- 
ments very narrowly lanceolate, acuminate, lax, scarcely gibbous at 
base, little exceeding the stamens and style: capsule-cells with two 
broad obtuse crests. — Proc. Calif. Acad. 2. 109, f. 32; Watson, 
1, c. 352, t. 36, f. 4-6 (faulty in showing the capsule without crests). 
East base of the Sierra Nevada (Carson City to Modoc County) ; 
Oregon (Columbia Valley; J. Howell). 
42, A. PLEIANTHUM. Scape 4 or 5 inches high: flowers numerous, 
apparently white, 4 or 5 lines long, on rather stout pedicels 6 to 10 
lines long; segments lanceolate, acuminate, gibbous at base, nearly 
twice longer than the stamens: ovary and capsule prominently 
6-crested. — Blue Mountains, Oregon (John Day Valley), and S. 
Idaho; Rev. R. D. Nevius. 
