106 BOTANICAL GAZETTE [AUGUST 
distribution, occurring gregariously at the base of slopes and in 
mesophytic depressions; frequently outlying individuals are found. 
In the former situations it ranks not infrequently as a facies. It is 
the largest of the woody perennials of our area, being a profusely 
branched shrub frequently 1 to 1.25™ tall. It is characteristically 
associated with the Poa sod, which it follows in the latter’s advance 
upon the prairie; the most advanced occupation is upon the north 
. i es 
Fic. 2.—Late estival aspect; Symphoricarpus association in a depression . 
northwest exposure; Poa sod in foreground. 
to northwest exposures, where it also first appears (fig. 2). It is the 
forerunner of Rhus glabra, which in other parts of the prairie follows 
it closely, together making up the shrub stage, which is succeeded by 
the Quercus macrocarpa and Ulmus julva association as the forest 
pushes out upon the prairie. While the numerous axillary clus 
of pink flowers are not conspicuous from a distance, the mass® - 
dark-green leaves make the Symphoricarpus association very note’ 
able. Very few seeds are borne in the white globular berries; 
