62 



POPULAR 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 

 grandu 



Spanish 



White Filbert. 

 Eed Filbert. 

 Great Gob. 

 Clustered Cob. 

 Frizzled Cob. 

 Barcelona. 



Variegated. 

 Ovate- fruited. 

 Dwarf. 



glomerata 



crista 



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. Juglans regia. (Nat. Ord.Juglandace^.) 



The Natural Order to which the Walnut belongs is 



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



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



