5 volumes in 10, folio. 400 color plates. Contemporary half blue morocco gilt, spines in 6 compartments with 5 raised bands, gilt-lettering in 4, top edges gilt, stamp-signed by Grabau (spines rubbed, some wear at extreme ends).

FIRST EDITION, LIMITED ISSUE, number 110 of 500 copies, SIGNED BY THE AUTHOR at the end of the foreword in vol. I AN IMPORTANT STUDY OF THE WILD FLOWERS OF THE CANADIAN ROCKIES, based upon the author's ten year study of the region, during which she spent three to four months collecting samples. This limited issue was sold at a cost of $500, a trade edition was issued shortly after at $100. Blunt & Stearn, The Art of Botanical Illustration, pp.301, 328; Nissen BBI 2094; Stafleu & Cowan 16.550.