P. s. “Shiro-fugen.” 
P. s. “Shiro-higan.” 
P. s. “Shirotae” (“Mount Fuji”). 
P. s. “Shogetsu” (“Oku-miyako”). 
P. s. spontanea. Japan. 
P. s. “Suragadai-nioi.” 
P. s. “Taki-nioi.” 
P. s. “Ukon.” 
P. sibirica. Siberian Apricot; E. Siber., Manch., N. China. 
P. Sieboldii. Japan. 
P. spinosa puberula.* 
P. subhirtella. Higan Cherry; Japan (Ap.). 
P. s. autumnal is. (Ap.; O.-N.). 
P. tomentosa. N. and W. China, Japan, Himal. (Ap.). 
P. ursina. Asia Minor, Syria. 
P. utahensis (P. Besseyi x angustifolia Watsoni). 
P. virginiana leucocarpa.-f 
P. yedoensis. Yoshino-zakura; Japan (Mr. or Ap.). 
P. y. “Daybreak.” 
P. y. “Shojo.” 
P. y. “Taizan-fukun.” 
PSEUDOLARIX, Pinaceae. Golden Larch. A deciduous-leaved 
conifer very similar to the larches, differing principally in the 
cone scales, which also are deciduous. The fall coloration gives 
rise to its common name [6C]. 
P. amabilis. E. China. 
PSEUDOTSUGA, Pinaceae. Douglas Fir. A very handsome 
evergreen tree that does well in the eastern states and has been 
proved one of the most satisfactory conifers at the New York 
The Blackthorn or Sloe, P. spinosa, is native in Europe, north Africa, 
and western Asia. 
. l Th , e common Chokecherry, P. virginiana, is native from eastern Canada 
to North Carolina and Kansas. 
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