CONTRIBUTIONS FROM THE NEW YORK BOTANICAL 
GARDEN—No, 202 
PHYTOGEOGRAPHICAL NOTES ON THE 
ROCKY MOUNTAIN REGION 
VII. FORMATIONS IN THE SUBALPINE 
ZONE 
P. A. RYDBERG 
NEW YORK 
1917 
Reprinted, without change of paging, from B tHE Torrey Boranicat Crus 
44: 431-454. deptenber is, 1917. 
