HARDY PERENNIALS 
BY 
A. J. MACSELF 
Founder and First Chairman of the National Hardy Plant Society 
Author of Antirrhinums and Pentstemons, etc. 
Illustrated with colour photographs by R. A. Malby: 
water-colour drawings by Winifred Walker : 
line drawings by Maud A. West 
NEW YORK 
CHARLES SCRIBNER'S SONS 
1922 
