142 A NATURALIST IN THE GREAT LAKES REGION 



Moreover, such blow-outs uncover whatever the advancing 

 dune buried. Under such conditions cottonwoods show their 

 resiliency by sending out leafy shoots on old buried trunks that 



FIGS. 139-144: Fig. 139. Hepatica, Hepatica triloba; Fig. 140. May apple, 

 Podophyllum pdtahim; Fig. 141. Wild geranium, Geranium maculatum; Fig. 

 142. Canada violet, Viola canadcnsis; Fig. 143. Long-spur violet, V '. rostrata; 

 Fig. 144. Rattlesnake root, Prenanthes alba. 



bear numerous roots. The buried pines, killed completely by 

 their burial, stand out as giant skeletons, ghosts of their former 

 selves. Such resurrections are no uncommon sight in these 

 forest graveyards. .Sometimes the fall of a great tree on one 



