EVERGREENS FOR AUGUST PLANTING 
THUJA occidentalis. American Arborvitae. 
Fine for hedges or for specimen planting. Becomes a dense, broad pyramid, the bright green 
foliage turning bronze in winter. 
occidentalis pyramidalis. Pyramidal Arborvitae. 
Of narrow columnar form, much used in formal gardens. 
Photo by H. P. K. 
Mass of RHODODENDRONS with Hemlock background at Arnold Arboretum 
TSUGA canadensis. Canadian Hemlock. 
Our beautiful common Hemlock, and one of the most conspicuous of our Eastern mountain 
conifers. 
caroliniana. Carolina Hemlock. 
This grand new species is new universally accepted as the "Queen of American Evergreens." 
Introduced by Harlan P. Kelsey in 1884, it has become known to tree lovers as the most distinctive 
and graceful of all conifers which are hardy throughout the entire United States. 
Its dense, dark foliage, sweeping semi-pendulous branches, and eventually pyramidal form, 
combine to give a charm not found in any other evergreen known to cultivation. It is much hard- 
ier and more adaptable to city atmospheres than its plainer sister, the Canadian Hemlock, and 
will also thrive in southern latitudes where the latter becomes thin, yellow and unsightly. 
It is the "coming Evergreen" for the finest landscape plantings, either as a single specimen 
or for mass effects and backgrounds and for hedges. 
After the disastrous spring and winter of 1917-18, Prof. C. S. Sargent, Director of Arnold 
Arboretum, says of this tree: "Numerous specimens of the Carolina Hemlock (Tsuga caroliniana) 
have been uninjured by the cold and drought of the year. This is one of the handsomest of all 
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