424 MR, N. D. SIMPSON ON THE PLANTS OF 



Artemisia campestbis, Linn. 



No. l'.)4. Alluvial and gravel-desert, Dzungarian Grap. 

 Distrilnition. Throughoui; Europe, Asia Minor, southern Siberia, Turkestan, 

 eastwards to (.Ihina and Manchuria. 



Artemisia frigida, TI7ZM. 



No. .'iiS. Dry desert bill-slopes in the Bodhon Valley and upland A-alley 

 plateaus up to 21.50 m. 



l)htriJ>iiUoii. 8outhei-n Siberia, Mongolia, Turkestan, and North America. 



Artemisia Lercheana, Weber. 



No. 174. Medium dry conditions, sand-dunes and sandy silt deposits just 

 above the water-table. Sandy plains of the Upper Irtish basin. 

 No. 1S.5. Plateau steppe, north of Ohugu-ola Pass, Dzuagaria. 

 No. l-'S.s. Alluvial plains on the Ohuguchak Steppe. 

 Distriliiitioit. Asia Minor, Siberia, Mongolia, and Turkestan. 



Artemisia Lercheana, \reher, var. humilis, Ledeb. 



No. 14:!. Stony desert on hill-sides at 750 m. in the Kran River Valley iu 

 the Sharasume district. 



Artemisia kericba, Weber, var. yS. grand iflora, DC. 

 No. 131. Southern aspects from 900 to 1700 m. in the Great Altai Mts.^ 

 Upper Kran J liver, and the liasin of the Black Irtish. 



Distribution (of the species). Turkestan, Altai, N. Mongolia, and Dahuria. 



Artemisia Sieversiana, Wilhl. non Elirli. 



No. 85. Stony desert under driest \'egetative conditions, N.W. Moncrolia., 

 Khanofski tiaslum. 



Distribution. Altai and northern Mongolia. 



TussiLAGO Farfara, Liun. 



No. 314. Sandy banks by the side of streams at 600 m. On the Ohukuok 

 Ridge, N. of Sayansk Mts., and near the Amil River. 



Distribution. Arctic and temperate regions of the Northern hemisphere. 



PeTASITES L/EVIGATUS, ReirJib. 



No. 310. Sandy island in the Amil River, often flooded. 

 Distribution. Tomsk and the Altai. 



DOBONIOUM altaicum, Pall 

 Northern side of the Sayansk Mts. 

 Distribution. Altai, Mongolia, and Yunnan. 



