SPECIES CULTIVATED. 405 



tanning purposes ; while others again possess a colouring 

 matter, which might, under fitting conditions, be rendered 



DIPSACUS FULLONUM Fuller's Teazle. 



available to the dyer. The only member, however, whose 

 properties are sufficiently important to render it an object 

 of direct cultivation, is the Dipsacus fullonum, 1 "Fuller's 



1 $r$>.xo;, thirsty ; from h^otS, I thirst. 



