I.] CLASSIFICATION. 129 



papers, as for example many dried fruits, seeds, galls, 

 sjDines, &c., it would be well to have them thoroughly 

 dried and mounted upon pieces of card, labelled with the 

 name of the plant, the Natural Order to which it belongs, 

 the particular in which it departs from the Type, &c. 

 Preparations of plants used for economic purposes, whether 

 domestic, medicinal, in the arts, or otherwise, are always 

 interesting, and are very useful for purposes of illustration. 

 A few of these, which may be easily obtained, I have indi- 

 cated; but there are hundreds not mentioned and equally 

 accessible. 



