100 Liliaceae 
JJ. Bulb oblong; bulb-coat fibrous; ‘scape 2.5—-3.3 dm. high; bracts 
21 mm. long, acuminate. C. E. 
A. geyeri Wats. 
II. Inner perianth-segments serrulate, abruptly cuspidate. E. 
A. acuminatum cuspidatum Fer. 

of the spathe 12 
AA. Perianth-segments acuminate. 
K. Scape terete or nearly so. 
L. Inner perianth-segments serrulate. 
M.  Perianth-segments |'!/ the stamen-length or less, their tips recurved 
idate. W. C. E. 
N.  Perianth-segments 10—14 mm. long, not cuspidate 
A. acuminatum Hook. 
NN. Perianth-segments shorter, abruptly cuspidate. E. 
A. acuminatum cuspidatum Fer. 
MM. Perianth-segments twice the stamen-length, almost straight. U. E. 
A. bolanderi Wats. 
LL. Perianth-segments entire. 
O. Ovary not crested; bulb-coat not reticulate. 
P. Flowers dark red; scape | 7—-37 cm. high; bulb ovate. E. 
A. douglasii Hook. 
PP. Flowers rose-color; scape 30——-60 cm. high; bulb oblong. E. (A. 
sibiricum; A. schoenoprasum of How. FI.) 
A. schoenoprasum sibiricum Hartm. (Chives) 
PPP. Flowers white to pinkish; scape 2.5——-10 cm. high; bulb ovate 
A. macrum Wats. 
OO. Ovary crested; bulb-coat reticulate in some species 
Q. Unmbels few-flowered; bulb-coat obscurely or not at all reticulate; scape 
7.5—20 cm. high; bracts of spathe acuminate; flowers white or rose- 
A. nevii Wats. 
E; 
color. . E: 
QQ. Unmbels many-flowered. 
R. Bracts of the spathe abruptly acute; scape 15—-50 cm. long; flow- 
Cake 
ers white or rose-color. 
A. attenuifolium Kell. 
RR. Bracts of the spathe acuminate. 
S. Scape 10—30 cm. long; flowers pink or crimson; bulb-coat reticu- 
late. E. A. serratum Wats. 
SS. Scape 25—63 cm. long; flowers white or rose-color; bulb-coat 
fbrote Od te 
A. geyeri Wats. 
KK. Scape flattened, somewhat 2-edged (somewhat 3-angled Below; in A. validum.) 
T. Scape 30—75 cm. long, longer than the leaves; stamens exserted. C.  . 
A. validum Wats. 
TT. Scape 5—15 cm. long, as long or shorter than the leaves; stamens included 
U. Perianth-segments 15—-17 mm. long, serrulate. U. 
A. falcifolium H. & A. 
UU. Perianth-segments 6—12 mm. long, entire 
V.  Perianth-segments very little longer than the stamens. E. 
A. anceps Kell. 
VV. Perianth-segments nearly twice as long as the stamens 
W. Ovary not crested, its cells shortly apiculate. E. 
A. cusickii Wats. as 
WW. Ovary 6-crested. E. . 
A. pleianthum Wats. 

