MEMOIRS 
OF ‘THE 
TORREY BOTANICAL GLUB 
VOL VE * No 27 
A REVISION 
—OF THE— 
NORTH AMERICAN ISOTHECIACEAE 
— AND— 
BRACHYTHECIA. 
BY ABEL JOEL GROUT. 
ISSUED JULY 30, 1897. 
PRICE, ~- -: DU CENTS. 
