VOL. IV 



MINNESOTA BOTANICAL STUDIES 



PART III 



Fig. 1. A meter quadrat in a blow-out showing the distribution of Rcdftcldia 

 during early stabilization. 



Fig. 2. A later stage in blow-out succession. Besides Redfieldia this quadrat 

 shows Psoralea lanceolata and Phaca longi folia. 



PLATE XXXI 



