66 TREE-PLANTING. 



by unfavourable seasons to a degree which would not 

 be felt by any tree which was a native of this country. 

 There are several ornamental varieties of the 

 chestnut : C. variegata, variegated with yellow and 

 white streaks ; C. Americana, which has broader 

 leaves than the common tree; C. glauca ; C.glabra\ 

 and C. asplenifolia. . Those cultivated in France for 

 the sake of their fruit are styled les marrous, which 

 when roasted emit an aromatic odour. 



