THE IRON MOUNTAINS. 



261 



M. Tre'cul collected there numerous Graminese, some species of Carex, 

 Plantains, Euphorbias, Polygalas, and Vervains ; many genera, in 

 fact, which in France, and similar soils elsewhere, have numerous 

 representatives. It is in the grassy tracts of the wooded districts 

 that the larger species of Phlox flourish, while the smaller varieties of 

 the same genus vegetate upon the hills. The low humid meadows 

 enchant us with their gorgeous scarlet Actccas* their yellow Bal- 



VEGETABLE LIFE IN THE AMERICAN PRAIRIES. 



1. Liatris squarrosa. 3. Asclepias Cornuti. 



2. Calliopsis tinctoria. 4. Tripsacum dactyloides. 



5. Gaura Lindheirneri. 



sams, their Echinacea purpureas, and their superb Lilies ; those 

 which are dry and rather stony are covered with the broad golden 

 flowers of the gay (Enothera macrocarpa.-^ 



Among the shrubs which people the marshy tracts of this same 

 region, I must point out the Sassafras, a kind of laurel with deci- 

 duous leaves, yellow flowers, which precede the foliage, and small 



* Order, Ranunculacex ; Sub-order, Actaea. 



t Order, Onagracese, or Evening Primrose Tribe. 



