418 MR. N. D. SIMPSON ON THE PLANTS OF 
DROSERACEZE. 
DROSERA INTERMEDIA, Hayne. 
Drying swamp type of vegetation, Petropolowsk, Amil River. 
Distribution. North America, Europe, and the West Indies, Diels. 
DROSERA ROTUNDIFOLIA, Linn. 
Drying swamp type of vegetation, Petropolowsk, Amil River. 
Distribution. North America, arctic and temperate Europe, Siberia, and 
Asia Minor eastwards to Japan, Diels. 
HALORAGEÆ. 
HIPPURIS VULGARIS, Linn. 
No. 88. Marshes and stagnant pools or lagoons near Lakes Uryu and 
Achit Nor and sluggish streams. 
Distribution. North temperate regions. 
MYRIOPHYLLUM VERTICILLATUM, Linn. 
Specimina sterilia, no. 5. Lake Sul-kul, Lower Kemehik. 
Distribution. North temperate regions. 
ONAGRACEÆ. 
TRAPA NATANS, Linn. 
No. 172. Stagnant backwaters on the Upper Irtish River. 
Distribution. Central and southern Europe, the Caspian region, and Asia 
Minor. 
EPILOBIUM HIRSUTUM, Linn. 
No. 46. By mountain streams between 2150 and 2450 m., head-waters of 
the Saklya River. 
Distribution, Temperate and arctic regions in the Old World, excluding 
Australia and New Zealand, Haussknecht. 
UMDBELLIFERJE. 
BUPLEURUM LONGIFOLIUM, Zinn., var. В. AUREUM, H. Wolf: 
No. 386. Dry steppe valleys, Shabash River. 
Distribution, Southern Russia, Turkestan, southern Siberia, N. China, and 
Amur, H. Wolf. 
BUPLEURUM MULTINERVE, DC. 
No. 49. Sides of the Tannu-ola Mts. above 2150 m., where the soil is 
