A GARDEN FLORA 147 
P. ioensis, var. fl. pi. The Bechtel Crab. Garden 
origin. 
P. Mains. Crab Apple. W. Europe and N. Asia. 
P. melanocarpa. Black Chokeberry. E. North America. 
Syn. P. nigra. 
P. niedzwetzkyana. Caucasus. 
P. pinnatifida (intermedia xAucuparia). Bastard Ser- 
vice Tree. N. and Central Europe. 
Height 7 feet. Imported from Messrs. Meehan, 
Philadelphia, U.S.A., 1912. 
P. salicifolia, var. pendula. Willow-leaved Pear. 
Height 13 feet, 13 feet through. A graceful, silver 
bush, growing near the Quarry. The flowers and 
leaves appear at the same time. 
P. Scheideckeri (spectabilis ?xfloribunda). Garden 
origin. 
P. Sorbns. Service Tree. S. and E. Europe. 
P. spectabilis. N. China. 
„ var. Parkmanni. 
P. thianshanica. Central Asia. 
Height 9 feet. Planted in the Arboretum 
1908. 
P. vestita. Himalayan Whitebeam. Himalaya. 
Height 14 feet. Planted in the Arboretum 
1904. 
P. Vilmorini. W. China. 
A small tree, hardy, and with most attractive 
foliage. Planted 1913. 
P. sp. Wilson. 
Q 
QUERCUS. Oak. Cupuliferse. 
Q. acuta. Japan. 
Height 10 feet. Planted in the Lower Arboretum 
1906. 
Q. Cerris. Turkey Oak. S. Europe and Asia Minor. 
„ var. longifolia nova. 
„ var. variegata. 
