1904] SHULL—PLACE-CONSTANTS FOR ASTER 339 
the stations in the western half of the range is due to the general 
scarcity of herbarium material from this area rather than to the 
rarity of the species. It will be seen from this map that the Clifton 
station (marked with a star) is very nearly central. 
Sc] |." 
<== soma = = ~ 
Fig, 3. 
3—The range of Aster prenanthoides as ai esis by specimens in the 
leading Am 
erican es: 34 Clifton, sess marked with a 
Ri, New sa represented on the map are as follows: MASSACHUSETTS: speed 
bre, ORK: Chenango Co. » Oswe go Co., Tompkins Co., Andover, Big Tree, 
Buffalo, Elmira, iidies Catskill Mts., Shawangunk Mts. NEW 
Woodbury Pesxseivana Bedford Co., Chester ,Co., Conewago Co., 
aston, Mercersburg, haar 96 Trout Run. 
fe, Emittsbring DIstRict OF COLUMBIA cha 
YLAND: 
SOA: Bj 
"6 Stone Gap, Pulaski, Wytheville. West VIRGINIA: pees KeEnTU! 
Fe a eA a a 
ha 
