406 MR. N. D. SIMPSON ON THE PLANTS OF 
POLYGALACEA. 
POLYGALA VULGARIS, Linn. 
No. 288. Dry banks under shade of Pine and Birch, in forests round 
Kushabar ; and barren and dry hill-slopes, Kemchik basin, Tannu-ola Mts. 
Distribution. Europe, Asia Minor, southern Siberia, and Altai, Chodat. 
CARYOPHYLLACE/E. 
DIANTHUS SUPERBUS, Linn. 
No. 451. Larch association type, Sabieff, Lower Bei Kem. 
Distribution, Europe, south and east ; Asia, in Mongolia, China, and Thibet, 
F. N. Williams. 
DIANTHUS VERSICOLOR, Fisch. 
No. 413.  River-terraces and desert parts of open steppe between flood- 
line of rivers and the Larch-forest zone, Kamsara and Bei Kem Rivers. 
No. 447. On dry sandy banks by the River Bei Kem, under flood-mark, 
so only growing in midsummer. 
Distribution. Mongolia and Dahuria, F. N. Williams. 
GYPSOPHILA DESERTORUM, Fenzl. 
No. 481. Very dry rocky hill-slopes, almost desert flora, Dja Kul, 
Ulu Kem. 
Distribution, N. and N.W. Mongolia. 
SILENE REPENS, Patrin. 
No. 443. On dry sandy banks Бу the River Bei Kem, under flood-mark, 
so only growing in summer. 
Distribution. Russia, Siberia, Mongolia, Manchuria, China and Japan, 
Rohrbach. 
LYCHNIS siBIRICA, Linn. 
No. 405. Driest floral type of open steppe in valley-bottoms or on a dry 
river terrace, Upper Bei Kem. 
Distribution. Baikal region, Dahuria, and Amur province. 
STELLARIA DICHOTOMA, Linn., var. 9. HETEROPHYLLA, Ledeb. 
No. 450. Larch association type, Sabieff, Lower Bei Kem. 
Distribution. Turkestan, N. Mongolia, and Baikal region. 
