Contributions to Western Botany. :. 73 
A2B2CD, Meshes rectangular or nearly so—platycaule, meshes: 
14-2 by. aNa ribs with a few lateral nerves, 
A2B2C2D. Meshes six-sided—Deuglasii. ? © 
Tolmiei, meshes 1 by 1’’; Cusickii, meshes 1 by 1’’. 
A3B. Main coat distinctly marked with meshes at least at base. 
A3BC. Meshes straight and with straight and not wavy sides. 
A3BCD. Meshes with nearly rectangular ends. 
A3BCDE. Meshes vertical. 
A38BCDEF. Meshes linear. 
A3BCDEFG. Bulbs with a rootstock—validum, meshes 7-9 by 
+”, on outer membrane of coat 3-4 by 1”; brevistylum, 
meshes 3-7 by }’’; Plummerze, meshes probably similar. ' 
A3BCDEF2G. Bulbs without a rootstock—Sibiricum probably; 
cernuum, meshes 5-9 by 4-1”, outer membrane of it 10 by 
1-14’4 heematochiton, meshes 7-12 by 4-1”, outer membrane 
3-5 by 1”; stellatum, meshes sometimes linear and 5-7 by 
9”, also 5-7 by 14-1}” and on outer membrane 14-2 by 3”; 
lacunosum, meshes nearly linear, 4-6 by 1-14”, on outer 
membrane 2 by 4-1” and sometimes transverse. 
A3BCDE2F. Meshes oblong. 
A3BUDE2FG. Meshes large—scaposum, meshes rectangular at 
the ends, 2-3 by 1”, according to Watson 4 by 2”; stellatum, » 
ends of meshes mostly oblique,'5-7 by 3-14”, on outer mem- 
brane 14-2 by #”, ribs with a few lateral nerves; Bigelovii, 
meshes with ends often curved, 5-54 by 2”. 
A3BCDE2F2G. Meshes small—decipiens, (sometimes the main 
coat seems to be marked) + by 2”; cristatum, the same prob- 
ably; atrorubens, meshes seem to be present on the. main 
coat at times, 2-23 by 1”; falcifolium may belong here. 
A3BCD2E. Meshes transverse, often unevenly six-sided, plants 
