314 



RIKARD STERNER 



'■'R- 9- 1 'ic dislribulion of Avena ])ralcnsis in .Scan- 

 dinavia and P"inland. 

 Q: accidental occurrences. 

 In Dcninarlc the species occurs chiefly in tlic nortli-eastern 

 part of Jutland and on the Islands. 



Fig;. lo. The distribution of Pulsatilla vernalis in Scan- 

 dinavia, Denmark and western Finland. 

 O: uncertain occurrences. 



powerful massing of occurrences of many species in the eastern parts of Central 

 Sweden: on the plains of llppland, .Southern Vastmanland, north-eastern Narike, 

 northern Sodermanland, and also in Ostergotland. The steppe species are especially 

 well represented in the herbaceous hillside flora of Uppland (see Sernandcr jgo8). 



The northern and north-western distribution limits in South Sweden, which 

 will be further treated below, with regard to the majority of the steppe species 

 coincide with the north-north-westerly boundaries of the Central Swedish plains. 



The following steppe species are remarkable with regard lo their tlistributi(ui 

 on the plains in the South Swedish mainland: Artemisia campestris (Plate 5), 

 Asperula tinctoria (Plate 5), Crepis praemorsa (Eig. 11), Phleum Bochmeri (Plate 

 5), Polygala comosa (Eig. 12), [Pulsatilla pratensis (p. 333)], Ranunculus polyan- 



