102 Prof. Dewey on Caricography. 
may be subjected to moderate pressure in the usual way, and re 
stored to the herbarium, while other specimens may be kept on 
shelves or in any way usually employed for similar objects, and 
all will for any length of time retain sufficient moisture to pre- 
vent brittleness. ‘The salt being neutral, no fear need be appre- 
hended of its injuring color or texture, while its antiseptic prop 
erties will aid in the preservation of matters liable to decay. 


Art. XVIII.—Caricography ; by Prof. C. Dewey. 
(Continued from vol. ix, p. 30, Second Series.) 
- No. 243. ” Carex aristata, R. Br., var. longo-lanceata, Dew. 
Pistillate scale oblong, long-awned or long-cuspidate, longet 
than the fruit ; leaves, sheaths, and bracts scabro- pubescent. 
Collected in the Mauvaises Terres (Bad Lands) of Nebraska 
Territory in 1853 by F. V. Hayden. 
e common forms of C. aristata, R. Br. and of C. trichoeat- 
pa, Muh., appear abundant over that western country, with some 
tendency to unusual length of their scales, but in the above 
marked variety the scales are considerably longer than the fruit, 
and sometimes only very elongated lanceolate. Perhaps th 
plant should be held to be a distinct species, 
“ No, 244. C. nebrascencis, Dew. 
Spicis 4-6; staminiferis binis apicem approximatis oblong's 
brevibus densis, inferiore sessili parva, cum squamis oblongis su 
obtusis ; pistilliferis 2-4, oblongis brevi-cylindraceis densifloris, 
superioribus apice staminiferis sessilibus, inferiore brevi-peduncu> 
sub-approximate, two upper sessile and often staminate at the 
pi 
