NORTH-WEST MONGOLIA AND CHINESE UZUNGARIA. 413 



RuBUS Cham^emoeus, Linn. 



Drying swamp association, Peti-opolowsk on the Amil River. 



Distribution. In subarctic Europe, Asia, and America. In Europe south- 

 wards to the Riescn-Gebirge. In America down to the Rocky Mts., and in 

 northern Japan, Focke. 



RUBUS PURPUREUS, Bunge. 



No. 4G7. Associated with stunted Larch and Pinus forests on dry rocky 

 slopes, Japsa Mts. near Bel Kem rapids. 



L)istrihution. N. China and Japan and west temperate Himalayas. 



Deyas octopetala, Linn. 



No. 9. Dry summit of Kizil Taiga, where it is not too rocky and where 

 the surface is oven. 



Lfistriliution. Temperate arctic and alpine regions in the Northern hemi- 

 sphere. 



POTENTILLA FRL'TICOSA, Linn., var. VULGARIS, WHld. 



No. 350. Open steppe in bottom of the valleys of the Sistikem and 

 Chuguchak Rivers. 



IHstribution (of sp.). Throuj;hout Europe and Asia extending as far south 

 as the Himalayas, also in N. America down to California, Th. Wolf. 



POTENTILLA BIFURCA, Linn., Var. TYPICA, 111. Wolf. 



No. 418. River terraces and desert parts of open steppe between flood- 

 line of river and Larch-forest zone, Kamsara and Upper Bei Kem Rivers. 

 LJiftrihution. From liu^sia and Greece eastwards through Asia Minor and 

 ersia into Turkestan and Mongolia and the Himalayas, Th. Wolf. 



POTENTILLA BIFURCA, Linn., var. CANESCENS, Ledeh. 



No. 184. On a low sandy plain in the valley of the Upper Irtish. 

 Distribution (of variety^. Central Asia, Th. Wolf. 



POTENTILLA SERICEA, Linn., VOX. DASYPHYLLA, Ledeb. 



No. 37. Dry desert hill-slopes of the western Tannu-ola Mts. and upland 

 valley plateaus up to 2150 m. 



Distribution. From Russia extending eastwards to Kamtchatka and the 

 Behring Straits, Th. Wolf 



POTENTILLA VISCOSA, Donn. 



No. 465. Dry valley steppe near Ulu Kem when occasionally flooded. 

 Distribution. Central Asia from the Ural Mts. to Manchuria, Th. Wolf. 



