August. 1955 



EvERs: Hill Prairies of Illinois 



385 



<*'^«'^^- 



1** - 'tyf* V 







Fig. 11. — Upper spur slope in unpastured Sampson hill prairie. The foliage area of the 

 plants is much greater here than in the pastured Phegley prairie. Andropogon sioparius is the 

 dominant grass; A. gerardi also is present. The above view is to the left (northwest) of plots 

 staked for vegetation studies of this report. 



■r ' --'-"■■*«■ 









f f 



^-.-^ 



-^^ 



' . ■■' V^ . vie** 





Fig. 12. — I'pper spur slope in the pastured Phegley hill prairie. The foliage area of the 

 plants is small. Andropogon scoparius is the dominant grass. To the right in the above view 

 is a small part of some of the plots staked for the vegetation studies of this report. 



