THE BEST HARDY CONIFERS 133 



var. Pfitzeriana with bluish green foliage and J. 

 virginiana, var. tripartita have much to recommend 

 them. 



Among the dwarf forms of the Japanese Arborvitae 

 (commonly called Retinispora) the best are Cham- 

 aecyparis pisifera, var. filifera, with thread-like pen- 

 dent branchlets, and its golden form aurea; Chamaecy- 

 paris obtusa, var. gracilis; the var. nana, one of the 

 handsomest of all, and its form aurea. The variety 

 leptoclada of the native Chamaecyparis thyoides is a 

 pleasing shrub but the majority of our dwarf Arbor- 

 vitae are forms of the native Thuja occidentalis. 

 Among the best of these are umbraculifera, recurva 

 nana, Tom Thumb, Woodwardii, Reedii and Little Gem, 

 the last named perhaps the finest of them all. 



The Junipers are usually regarded as shrubs of low 

 growth but some are trees of some magnitude, though 

 only two or three of these are hardy here. The com- 

 mon Red Cedar (Juniperus virginiana), so character- 

 istic of open landscapes in eastern North America, 

 needs no introduction. When young it is usually col- 

 umnar in outline; the leaves vary from green to 

 glaucous and there are numerous varieties, some of 

 them variegated. 



The Chinese Juniper (J. chinensis) is a tree from fifty 

 to sixty feet tall at maturity, when it is broadly pyra- 



