62 



POPULAE ECONOMIC BOTANY. 



by drawing a bunch of the catkins, with ripe pollen, over 

 them. 



The following are the varieties of the common hazel — 



British 



Corylus Avellana alba 

 rubra 

 grandis 



Spanish < 



White Filbert. 

 Eed Filbert. 

 Great Cob. 

 Clustered Cob. 

 Frizzled Cob. 

 Barcelona. 

 Yariegated. 

 Ovate-fruited. 

 Dwarf. 



glomerata 

 crispa 



Barcelonensis 

 variegata 

 ovata 

 pumila 



The vast quantities imported into this country are almost 

 incredible, especially as the consumption is chiefly amongst 

 children; in 1850 the imports exceeded 140,000 bushels, 

 value £90,000. A small portion only of this enormous 

 quantity is consumed in the manufacture of nut oil, which 

 is esteemed by watchmakers, and also by artists in oil- 

 colours. 



The Walnut. Jiuglans regia, (Nat. Ord. Juglandacece.) 



The Natural Order to which the Walnut belongs is 

 closely allied to that of the hazel nut. The fine tree which 

 produces it is pretty well known ; it grows to a large size. 



