406 MK. N. D. SIMPSON ON THE PLANTS OF 



POLYGALACEiE. 



POLYGALA VULGARIS, Linn. 



No. 288. Dry banks nnder shade of Pine and Birch, in forests round 

 Knshabar ; and barren and dry hill-slopes, Kemchik basin, Tannu-ola Mts. 

 Distribution. Europe, Asia Minor, southern Siberia, and Altai, Chodat. 



CAEYOPHYLLACE^. 



DiANTHUS SUPERBUS, Linn. 



jSTo. 451. Larch association type, SabiefF, Lower Bei Kem. 

 Distribution. Europe, south and east; Asia, in Mongolia, Chinaj and Thibet, 

 F. A\ Williams. 



DiANTHUS VERSICOLOE, 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. A^. Williams. 



Gypsophila desertoeum, Fenzl. 



No. 481. Very dry rocky hill-slopes, almost desert flora, Dja Kul, 

 Ulu Kem. 



Distribution. N. and N.W. Mongolia. 



Silene rbpens, Patrin. 



No. 443. On dry sandy banks 'by the River Bei Kem, under flood-mark, 

 so only growing in summer. 



Distribution. Russia, Siberia, Mongolia, Manchuria, China and Japan, 

 Rolirbacli. 



Lychnis sibihica, Li^m. 



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. /3. heterophylla, Ledeb. 

 No. 450. Larch association type, SabiefF, Lower Bei Kem. 

 Distribution. Turkestan, N. Mongolia, and Baikal reoion. 



