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in the southern foothills of the Catskills on May 15 at elevations 

 below 1000 feet. One of the largest and thickest patches I ever 

 saw was found on a rocky knoll at Yama Farms, near Ellenville, 

 growing in shallow soil on a great mass of Lower Devonian 

 sandstone partly shaded by small scrub oaks. — W. A. Murrill. 



