Complimentary 
NEW SERIES VOL. X 
NO. 3 
ARNOLD ARBORETUM 
HARVARD UNIVERSITY 
BULLETIN 
OF 
POPULAR INFORMATION 
JAMAICA PLAIN, MASS. MAY 12. 1924 
Pieris or Andromeda floribunda, judging by an experience of over 
fifty years, is the only broad-leaved evergreen to which nothing ever 
happens in this climate. It is not attacked by borers, the leaves never 
become discolored, and the flower-buds formed in autumn and almost 
as conspicuous during the winter as the flowers are not injured by 
the lowest temperature which has been recorded in southern New Eng- 
land. It is a round-topped shrub of compact habit, sometimes eight 
or ten feet across and five or six feet high, with small pointed, dark 
green leaves and short terminal clusters of pure white flowers. A nat- 
ive of high altitudes on the southern Appalachian Mountains, this shrub 
is rare and local in its distribution as a wild plant, but for more than 
a century has been valued in England and largely propagated by Eng- 
lish nurserymen. It can be found in several American nurseries and 
is now covered in the Arboretum with its pure white flowers. A com- 
paratively small compact shrub, it is more valuable for general plant- 
ing than any of the dwarf Rhododendrons. 
Amelanchiers. The Shad Bushes, as Amelanchiers are often called 
because they are supposed to bloom when shad begin to ascend the 
rivers from the sea, add much in early May to the beauty of the Ar- 
'bgretum. It is a genus in which North America has almost a monop- 
as only one small shrubby species grows on the mountains of cen- 
tral Europe, and another in China and Japan. In North America it 
grows in many forms from the Atlantic to the Pacific and from New- 
foundland to the Gulf States. Some of the species are trees and others 
large or small shrubs; they flower in the spring before the leaves ap- 
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