A GARDEN FLORA 
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POLY GrONATU M. Solomon’s Seal. Liliaceae. 
P. multiflorum. Common Solomon’s Seal. Europe, etc. 
POLYGONUM. Polygonaceee. 
P. affine. Himalaya. 
Syn. P. Brunonis. 
P. Auberti. 
P. baldschuanicum. Bokhara. 
P. Bistorta. Bistort, Snakeweed. Northern regions. 
P. chinense. China, etc. 
Syn. P. cymosum. 
P. cilinode. N. America. 
P. cuspidatum. Japan. 
Syn. P. Sieboldii. 
P. multiflorum. China and Japan. 
P. polystachyum. Himalaya. 
P. sachalinense. Sachalin. 
P. sericeum. 
P. vaccinilolium. Himalaya. 
POLYPODIUM. Filices. 
P. vulgare. Britain. 
„ var. omnilacerum. Britain. 
POMADERRIS. Rhamnacese. 
*P. apetala. Victorian Hazel. Australia. 
Height 8 feet. Hardly worth growing : the 
flow’ers are inconspicuous, and the frost of 1912 
cut the plant to the ground, even on a south wall. 
fP. elliptica. Australia, Tasmania and New Zealand. 
POPULUS. Poplar. Salicaceae. 
P. alba. White Poplar. Europe. 
Height 55 feet. Planted in the Arboretum about 
1895. 
P. lasiocarpa. Central China. 
This tree, recently introduced from China, 
measures 11 feet in height. Some leaves are 9 
