X LIST OF ILLUSTRATIONS 



FACING PAGE 



PiCEA PUNGENS, var. COMPACTA, AT THE ARNOLD 



Arboretum ........ 128 



pinus densiflora, vttt. umbraculifera, at the arnold 



Arboretum ........ 134 



PiNUS RESINOSA, var. GLOBOSA, ON MrS. GeORGE CaRPEN- 



ter's Estate, Wolfeboro', N.H. .... 138 

 PiNus Strobus, var. nana, at the Arnold Arboretum . 142 

 PiNus Strobus, var. umbraculifera, at Knapton . .143 



PiNUS STLVESTRIS, Var. PYGMiEA, AT KnAPTON . . .144 



PsEUDOLARix Kaempferi, var. Annesletana, at Castle- 



WELLAN, Co. Down . . . . . . .150 



Pseudotsuga Douglasi, var. Fletcheriana . . 151 



Taxus cuspid ATA, var. nana, at Arnold Arboretum . 164 



Taxus cuspid ATA, var. densa, at Arnold Arboretum . 165 



TsuGA Caroliniana, var. compacta, at Arnold 



Arboretum . . . . . . . .186 



