432 MR. N. D. SIMPSON ON THE PLANTS OF 
GENTIANE. 
GENTIANA ALGIDA, Pall. 
No. 16. Dry summit of Kizil Taiga where the surface is even and not 
too rocky. 
Distribution, The Altai, Mongolia, and Turkestan, Awsnezow. 
GENTIANA ALTAICA, Pall. 
No, 15. Dry summit of Mt. Kizil Taiga where not too rocky. 
No. 336. From 1700 m. to the summit of the White Mountain in the 
Sayansk Mts. and near the River Arjanak. 
Distribution. The Altai, N. Mongolia, and Turkestan, Kuszenow. 
GENTIANA BARBATA, Fröhl. 
No. 24. Dry peat in valley bottoms, Kindergay and Tula Rivers. 
Distribution. Asia Minor, throughout Siberia and Turkestan. 
GENTIANA DECUMBENS, Linn, 
No. 418. Dry steppe at Dja Kul near the Ulu Kem and Djardan Rivers, 
on medium dry alluvium. 
Distribution. S. and E. Siberia, N. Mongolia, the Himalayas and Thibet, 
Kusnezow. 
GENTIANA PROSTRATA, Hanke. 
No. 495. High upland meadows and shade of higher Lareh forests at 
1500 m. on dry peaty soil, Kizil Taiga. 
Distribution, Eastern. Alps in Europe, Siberia, Mongolia, and Turkestan 
and N.W. America, Awsnezow. 
GENTIANA VERNA, Linn., a. ANGULOSA, Wahlenb. 
No. 348. Dry open places in forest or dry shady places associated with 
the surrounding steppe flora, Japsa and Sistikem Rivers. 
Distribution. W. Europe, the Caucasus region, Siberia and Turkestan, 
Kusnezow, 
PLEUROGYNE ROTATA, Griseb. 
No. 106. Medium moist, well-drained alluvial silt, not far from streams 
or lakes, Achit Nor. 
Distribution. Southern Siberia, Mongolia, Turkestan, China, Japan, and 
N. America. 
SWERTIA OBTUSA, Ledel. 
Larch-forest shady association, Upper Yenisei Basin. 
\ ‚ UPI 
Distribution. The Altai, Mongolia, and Turkestan. 
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