study xr. 243 



raid green on the dufky fides of the rocks. In the 

 forefts, the mufliroom and the agaricum diftin- 

 guifh themfelves by their colours from the roots 

 of the trees under which they grow. The ivy de- 

 taches itfelf from their gray barks by it's fhining 

 green ; the miftletoe difclofes it's branches of a 

 yellowifh green, and it's fruits fimilar to pearls, 

 amidft the thick foliage of the oak. The aquatic 

 convolvulus dazzles you with it's large white bell- 

 fliaped flowers on the trunk of the willow. The 

 virgin's-bower clothes with verdure the ancient 

 towers, and, in Autumn, her foliage of gold and 

 purple, feems to fix, on their fober eminences, 

 thé rich colours of the fetting Sun. Other plants, 

 entirely concealed from the eye, difcover them- 

 felves by their perfumes. It is thus that the ob- 

 fcure violet invites the hand of lovers to the bofom 

 of the prickly fhrub. And thus is verified, on 

 every hand, that great Law of contrafts, which 

 governs the World : No aggregation is, in plants, 

 the effed of chance. 



Nature has eftablifhed, in the numerous tribes 

 of the vegetable kingdom, a multitude of alli- 

 ances, the end of which is unknown to us. There 

 are plants, for example, the fexes of which are on 

 different individuals, as in the animal Creation. 

 There are others whom you always find united in 

 feveral clutters, as if they loved to live in fociety ; 



& 2 others, 



