112 
SILVA OF NORTH AMERICA. 
ROSACEZ. 
First collected in May, 1877, at Charlotte, Vermont, by Mr. C. G. Pringle,’ it has been 
confounded with both Crategus tomentosa and Crategus mollis until its distinct characters were 
first pointed out in 1900 by Mr. Ezra Brainerd.” 
1 See ix. 129. 
2 Ezra Brainerd (December 17, 1844) was born at St. Albans, 
Vermont, where he passed his early life and was prepared for col- 
lege. In the autumn of 1860 he entered Middlebury College, from 
which he was graduated in 1864 with the highest honors, and was 
appointed a tutor for the following year. After serving his college 
for two years as tutor Mr. Brainerd entered the Theological Semi- 
nary at Andover, Massachusetts, and in 1868 was appointed to the 
chair of rhetoric and English literature in Middlebury, a position 
which he filled until 1880, when he was made professor of physics 
and applied mathematics. Six years later he was elected the eighth 
President Brainerd has devoted much 
study to natural sciences, and has contributed to the knowledge 
president of his college. 
of the botany and geology of Vermont. During the last three 
years he has made a careful and thorough investigation of the 
numerous species of Crategus in the upper Champlain valley, and 
has discovered several new and interesting forms, including the 
handsome shrub which connects his name with the flora of his 
native state. 
EXPLANATION OF THE PLATE. 
Puiate DCLXXII. Cratmaus PRINGLE. 
NOt Pp wrnoe 
. A flowering branch, natural size. 
. Vertical section of a flower, enlarged. 
A fruiting branch, natural size. 
. Cross section of a fruit showing the nutlets, natural size. 
. Vertical section of a fruit, natural size. 
. A nutlet, side view, enlarged. 
. A nutlet, rear view, enlarged. 
