Rydberg: Phytogeographical notes 



345 



distribution when considering the resemblances of and distinctions 

 between the Hudsonian flora and the subalpine flora of the Rockies. 

 Looking over the following two lists we find that they are mostly 

 made up of either aquatic plants and hydrophytes or plants from 

 dense or open woods or copses, requiring a good deal of moisture. 



