320 



PLANTS OF CLA YE Y SOIL. 



Without having recourse to chemical analysis, which is with- 

 in the reach of a very limited number of persons, clayey soils 





FIG. 70. "Behind are realms of upland." 



may be distinguished by the vegetable species that most com- 

 monly flourish in them : as 



1. Plants belonging to clayey soils. The Queen of the Mea- 

 dows, Spiraa ulmaria (order Rosacece). Wild Angelica, 

 Angelica sylvestris. Common Sorrel, Rumex acetosa 

 (order Polygonacece), and various kinds of Ranuncula- 

 cese, as Ranunculus lingua, Ranunculus flamma, and 

 Ranunculus scelerattts. 



