Contributions to Western Botany. 7d 
A3SBC3 Meshes with rounded or bluntly triangular ends, 
Broa sinall, transverse—minimum, meshes 2-24 by 1”, at 
base 14-2 by #-1”, rectangular and vertical, outer coat with 
ends irregularly rounded, and broad but regular meshes, 1|- 
13 by $-1”; simillimum also probably; obtusum probably. 
2C. Meshes conspicuously not straight, serrate to con- 
torted. 
A8B2CD. Meshes horizontally serrate by being bent most and 
abruptly near the middle, linear and very loug, triangular or 
hearly so at the ends, sides nearly parallel. 
ASB2CDE. Sides without crinkles—serratum, meshes quite 
regularly and abruptly bent, 12-16 by 2-1”, according to 
Watson 12 by 147, outer membrane inclined to separate 
from the main one; hyalinum, meshes 8-10 by 4-1” and bend 
more flowing, near the ends meshes 4-6 by 3-1”, and ¢ by 3- 
1”, outer membrane 1-2 by 1” and verticaily oblong. 
A3B2CD2E: Sides with a few crinkles only—attenuifolium, 
meshes with flowing bend, 10 by 1”, 10-12 by #-1,” rarely 7 
by 14-2" and with an unusual number of crinkles, outer 
mermbrane 2-4 by #” and vertically-oblong with rectangular 
ends, inclined to separate from the main coat; unifolium, 
meshes not so uniform, abruptly bent in the middle, 5-7 by 
1-13”, bulb said to be peculiar; peninsulare might be sought 
here, but the meshes are curved most at the ends and little 
in the middle and though they ferm serrations it is at the 
ends and not in the middle, meshes 10 by 2”, farther up 6- 
-10 by 1”; on outer coat 2-3 by 4-3’, vertical and rectangular. 
A3B2C2D. Meshes linear or nearly so, irregularly contorted or 
running obliquely and variously bent, not crinkled. 
A3B2C2DE. Meshes not forming any definite figure and thereby 
not repeating themselves—Bolanderi, meshes 4-8 by 3-1”, 
plants of northern California region; madidum, ioohes 4.8 
by 4-1”, plants of eastern Oregon and Idaho. 
