1899] SOME ROCKY MOUNTAIN CHRYSOTHAMNI 377 
CHRYSOTHAMNUS LINIFOLIUs Greene, Pitt. 3: 24. 1896.-— This 
I think has no tybeen secured except in south-central Wyoming, 
s fs on the banks of strongly saline creeks. Its halo- 
phytic anddhy drophilous nature is very marked, as it often grows 
‘feet’ in water so strongly impregnated with salts as to 
be whol unfit for any use whatever. Its ae collection was 
= 
—e 
or 
=> 
ss 
cr 
n 
= 
pa 
CurysoTHAMNUS VasEyI (Gray) Greene, Erythea 3: 96. 
1895.—As pointed out by Dr. Greene, this has an akene quite 
at variance with the species that have preceded. The range 
given for it is too limited, for certainly very characteristic speci- 
mens are at hand as follows: G. E. Osterhout, North Park, 
| Colorado, September 1897; by the writer, Big creek, August 11, 
1897, no. 3494, and near Laramie, September 1898, no. 5331. 
UNIVERSITY OF WYOMING, 
Laramie, Wyo. 
