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PAXTON'S FLOWER GARDEN. 



tag-e of carrying these experiments much further. Why not cross the Mammillarias and 

 Echinocacti with Cereus and Thyllocactus ? Very singular productions might thus result. 

 But above all why not cross the hardy Opuntias with the brilliant species of our hot- 

 houses? Some Opuntias will stand our winters without any protection near London, 

 and there is no physical reason why they should not become the parents of a race of 

 hardy and very ornamental Cacti, although they have no beauty themselves. 



