Erigeron unalaschensis (De Candolle) Rydberg   The alpine valleys of the Canadian Rocky Mountains are wonder-  ful places in which to find wild flowers that flourish in high altitudes.  Among these the Aleutian fleabane, a member of the great Aster  Family, deserves a prominent place. It delights in the moist earth near  snow-water streams, being able to withstand the violent, almost daily  changes from warm sunshine to freezing temperatures. The dainty  plant often has a woolly covering to protect it.   This fleabane is found from Montana to Alaska as well as in Labra-  dor and Greenland.   The specimens sketched were gathered in the Little Yoho Valley,  fifteen miles from Field, British Columbia, at an altitude of 7,5 00 feet.

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