142 



Science, Jan. 26, 1912. Since then two trees of somewhat similar 

 appearance have been brought to the writer's attention. 



Under date of Jan. 29, 1912, Mr. J. N. Prouty of Humboldt, 

 Iowa, writes: "We have in this town what I presume is a dupli- 



FiG. I. Summer and winter view of possible habit nutant of sugar maples. 



cate of your tree. . . .The tree is more than 40 years old, the 

 stem about one foot in diameter, and more than 30 feet in height 



