A GARDEN FLORA 
135 
P. nigra. Black Spruce. E. North America. 
„ var. Doumetti. 
P. obovata. Siberian Spruce. W. Central Asia, near 
the Thian Shan Mountains. 
P. Omorika. Serbian Spruce. Serbia and Bosnia. 
Height 24 feet. Planted in the Pinetum 1898. 
P. orientalis. Oriental Spruce. Caucasus and Asia 
Minor. 
Height 29 feet. Planted in the Pinetum 1898. 
P. polita. Tiger-tail Spruce. Japan. 
Height 18 feet. Planted in the Pinetum 1898. 
P. pungens. Colorado, Utah and Wyoming. 
„ var. diversifolia. 
„ var. glauca. Blue Spruce. 
Height 18£ feet. One of the most beautiful trees 
in the Pinetum, growing freely, and of an intense 
blue. Planted 1899. 
P. purpurea. W. China. 
P. schrenkiana. Region of Thian Shan Mountains. 
P. sitchensis. Sitka Spruce. W. North America. 
Syn. P. Menziesii. 
Height 34 feet. Planted 1896. 
PIERIS (ANDROMEDA). Ericaceae. 
P. floribunda. S.E. United States. 
P. formosa. Himalaya. 
Height 8 feet, width 12 feet. A tender shrub 
which flowers in the Wall Garden in May. The 
young leaves are suffused with red. 
P. japonica. Japan. 
P. mariana. E. United States. 
PIMELEA. Thymelaeaceae. 
fP. ferruginea. Australia. 
fP. rosea. Australia. 
fP. spectabilis. Australia. 
PINGUICULA. Butterwort. Lentibulariaceae. 
P. vulgaris. Bog Violet, Butter-root. Europe, etc. 
