406 BOTANICAL GAZETTE [DECEMBER 
Se 
Fic. 1.— Map showing distribution of bog plants. (1) Drosera, Dulichium. (2) 
ne Drosera, Dulich gra Eriophorum, Chiogenes, Chamaeda phne. (3) 
ru Eri 
eda 
n 
Kalmia: The presence of a lar, arge nu mrtg of shrubs in Alaska and Greenland is 
probably comment with their preservation there during glacial times. 
