416 MR. N. D. SIMPSON ON THE PLANTS OF 
SORBUS TIANSHANICUS, Rupr. 
No. 142. Stony valley-bottoms near the Kran River near Sharasume in 
the southern Great Altai. 
Distribution. Turkestan. 
CRATEGUS SANGUINEA, Pall. 
On the banks of the Kran River. 
Distribution. Siberia. 
COTONEASTER MELANOCARPA, Lodd. 
No. 138. Southern aspects at 900 to 1500 m., Great Altai, basin of the 
Black Irtish, Upper Kran River. 
No. 499. Dry hill and mountain slopes associated with a desert flora on 
the southern side of Kizil Taiga on the Lower Kemchik River. 
Distribution, Mongolia, Tian Shan, and Tannu-ola Mts. 
SA XIFRAGACELJE. 
SAXIFRAGA MELALEUCA, Fisch. 
No. 51. Mountain-sides above 2150 m. where the soil is moist and peaty, 
in alpine meadows, or on dry shady slopes where soil has accumulated, 
Western Tannu-ola Mts. 
No. 376. Mountain summits over 1800 m. where there are dry patches 
amongst rocky boulders, Ulug Taiga, Sayansk Mts. 
Distribution. Altai, Baikal, and Dahuria, поет. 
SAXIFRAGA OPPOSITIFOLIA, Linn. 
No. 54. Mountain-sides above 2150 m. where the soil is moist and peaty, 
forming alpine meadows, or dry shady slopes where some soil has accumu- 
lated, W. Tannu-ola and mountains at the head of the Saklya River, both 
N. and 8. slopes. 
Distribution. Northern and alpine Europe; Asia southwards to Thibet ; 
N. America southwards to the Rocky Mts., Engler. 
These specimens have very large flowers. 
SAXIFRAGA SIBIRICA, Linn. 
No. 324. Rocks on shores of the Amil River, altitude 670 m. 
Distribution, Caucasus to Irkutsk, W. Thibet, and N.W. Himalayas, 
zngler. 
SAXIFRAGA CERNUA, Linn. 
No. 81. Serees and rocky steep slopes on mountain-sides from 2450 to 
3350 m., Kundelun Mts. 
Distribution. Europe, arctic Siberia down to western Thibet, and arctie 
North America, Engler, 
