HERBARIUM of DR. J. H. OYSTER. 
I desire to exchange for Ilei-bariuni specimens ii‘oni 
all parts of the ^Vorld; and wish to accnmnlate a 
complete and geneinl botanica] libi-ary-inchidiiig Bi- 
ographies of all tlicj inost prominent botanists of all 
connti-ies. 1 am also esi:)c cially inlcn-estod in Hie me- 
dicinal propertic's of plants. Pi-eparing to publish bo- 
taaiical mattei-. CoiM-esponclence esiiec'iall’v" solieiifnl 
from all cixiartOT-s o f th e Globe. 
Paola, Kansas, IJ, S, 
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