10 SYNOPSIS OF GROUPS, 
SYNOPSIS OF GROUETS: 
Trees, as usually grown, for groves, avenues and specimens. 
Key: As tpn, 
Bushes, as usually grown, for blocking-out, shrubberies, speci- 
mens and hedges,—including such small trees as sumach and 
trees that are cut back in hedges or for the bright color of 
their young shoots in winter. Dwarfed evergreens are to be 
sought in the preceding key. Key B (p. Ig). 
Small undershrubs, as well as carpeting plants, and tufted ever- 
greens used for covering rock-work, etc. Key C (p. 34). 
Woody climbers and scrambling plants used on walls, pergolas, 
etc., and occasionally for covering rock-work. Key D (p. 38), 
