2G0 K. MIYABE OS THE 



All t'xaminalion of a vci'v lai-gt' iiiiiulxT of specimens IVom diH'efeiit parts of Japan, 

 Maiicluiria and China, shows a great simihirit}' between Q. grosseserrata and Q. mongo- 

 lica, Fiseh., of Saghalin and the main lands. There are sHglit differences in the charac- 

 ters of the cup-scales and of the foliage, jjut scarcely more than sufficient to make them 

 merely varieties of one species. 



SALICACE^. 



237. SalixCaprea, L. Sp. p. 1020; Anders, in DC. Prodr. xvi, 2, p. 222; Ledeb. Fl. 



Koss. :u, p. 609; Max. Fl. Amur. p. 2i3; F. Schm. Fl. 8ach. p. 173; Reg. Tent. 



Fl. Uss. p. 131 ; Trautv. & Mey. Fl. Och. p. 78 ; Kegel & Tiling, Fl. Ajan. p. 117. 

 JTab. Sliikotan, on hillsides. JEtorofit, at Farul)etsu and Noboi'i. 

 Distrih. Europe, western Asia aei-oss the iiorthei'n and central portions to eastern 

 SilK'ria, Manchuria, Saghalin and northern fJapan. 



238. Salixstipularis, Sm. Fl. Bi-it. ii, p. lOGi); Ledeb. Fl. Ross, iii, p. G05; Anders, in 



DC. Prodr. XVI, 2, p. 266; Turcz. Fl. Baic.-Dah. n, p. 107; Max. Prim. Fl. Amur. 



p. 243; F. Schm. Fl. Sach. p. 172. 

 Hah. Etorofu, between Arimoi and Shana. 

 Distrih. Europe; northern Asia to Manchuria, Saghalin and Yezo. 



239. Populus tremula, L. Sp. p. 1034. — Var. villosa, Wesmael in DC. Pi'odr. xvi, 2, p. 



325; Max. Fl. As.-Or. Frag. p. 49; Fr. & Sav. Enum. i, p. 463. P. villosa,' 

 Lange. in Reichb. Icon, xr, p. 30, t. 617, f. 1273. 

 Hah. Eto7'ofu, near Tsurubetsii and at Shibetoro. 



Distrih. Middle Europe; northern and middle Japan. The species is distributed 

 over the greater ]iart of temperate Europe, northern Africa, and northern Asia to Man- 

 churia and Saghalin. 



EMPETBACE^. 



240. Empetrum nigrum, L. Sp. p. 1022; Ledeb. Fl. Ross, in, p. 55-5; DC. Prodr. xvi, 1, 

 p. 25; Pallas, Fl. Ross, i, 2, p. 49; F. Schm. Fl. Sach. p. 171; Fr. & Sav. Enum. 

 I, p. 429. 

 Hah. Kurile Islands {ex Pallas) . Skumshu (J. Akakabe, and Hakodate Museum) . 

 Eiorofii, at Shibetoro. Kvnajiri (middle Nakamnra). 



Distrih. Arctic and alpine regions of the northei'n hemisphere; the Andes and ant- 

 arctic America, extending to the islands of Tristan d'Acunha. 



GY]SINOSPERM^. 



CONIFEE^ 



241. Juniperus communis, L. ; Pall. Fl. Ross. I, 2, p. 12, t. 54; Ledeb. Fl. Ross, in, p. 

 mi.; Carr. Conifer, p. 21; Pai-lat. in DC. Prodr. xvi, 2, p. 479; Max. Fl. Amur, 

 p. 260; F. Schm. Fl. Sach. p. 178; Masters, Conifers of Japan, p. 497. 



