SCALY BUDS AND NAKED BUDS 



81 



7- 



,BV*I 



a m 



FIG. 79. Alternate leaves of cultivated cherry, with 

 buds in their axils, in October 



living through the colder months of the 

 year, and are also scaly buds. 



In the herbs of temperate climates, and 

 even in shrubs and trees of tropical regions, 

 the buds are often naked; that is, nearly or 

 quite destitute of scaly coverings (Fig. 78). 

 These are best suited for a season or a 

 climate which is both warm and moist. 

 The scales, of whatever sort, with their coat- 

 ings of hair or of resinous material, are of p IG 73 

 use mainly in protecting buds from sudden Ti of branc ] 1 O f 

 changes of temperature or too rapid loss Ailanthus in winter 



of water. The latter, in climates like that condition, showing 



f . ,. . ,, , r ,., very large leaf scars 



of southern California or the Mediterranean and near ly naked 



coast, would be during the rainless summer, buds 



