440 MR. N. D. SIMPSON ON THE PLANTS OF 
ANABASIS APHYLLA, Linn. 
No. 201. Stony desert in the Dzungarian Gap. 
Distribution, Southern Russia, Asia Minor, S.E. Persia, Turkestan, and 
Mongolia. 
ANABASIS BREVIFOLIA, C. A. Mey. 
No. 87. Stony desert under driest vegetative conditions, desert hills and 
barren valley steppes of N.W. Mongolia. 
Distribution. Altai, western Mongolia, and Turkestan. 
ANABASIS PHYLLOPHORA, Aur. et Air. 
No. 166. Stony and sandy deserts under the driest conditions between 
450 and 700 m., Kemelik and Kran Valleys and on the plains of the Upper 
Irtish basin. 
Distribution, Dzungaria and the Altai region. 
NANOPHYTON CASPICUM, Less. 
No. 209. Driest desert above irrigated land on the Borotella plains and 
near Dja Kul. 
Distribution, Altai, N. Mongolia, and Turkestan. 
HALOGETON ARACHNOIDEUS, Joq.- Tand. 
Desert regions of N.W. Mongolia. 
Distribution. Altai, N. Mongolia, and Turkestan, 
POLYGONACELE. 
ATRAPHAXIS LANCEOLATA, Meisn. 
No. 487. Flint and gravel desert between Dja Kul and Djardan. 
Var. DIVARICATA (Ledeb.), Meisn. 
No. 145. Stony desert on hill-sides at 760 m. in the Kran River Valley. 
Distribution (of species). Dahuria, Altai, Mongolia, and Turkestan. 
PorvaoxvM BISTORTA, Linn. 
No. 47. Mountain-sides above 2100 m. where the soil is moist and 
peaty, forming alpine meadows, or on dry shady slopes where some soil has 
accumulated ; at the head of the Saklya River. 
No. 367. Highest mountain-tops 1950 m., very dry, Kandart Mts., also 
open steppe of Shabash Valley with dry flora. 
Distribution. N. Europe and alpine regions in central Europe, eastwards 
through northern and central Asia to China and Japan, and N. America. 
POLYGONUM POLYMORPHUM, Ledeb., var. 6. UNDULATUM, Ledeb. 
No. 383. Open and dry steppes in valley bottoms, Upper Shabash River. 
Distribution (of variety). Southern Siberia. 
