8 



The entire plant, as far as possible, should Le in the collection. 

 When this is impossible, as with trees and shrul s, branches with leaves, 

 or leaves and flowers, should be collected and preserved. In dt\> iny; 



Fig. 5. _A specimen proper! }• mounted . What weed is this ? 



plants, care should be taken to secure the specimen (free from outside- 

 moisture^ without breaking any portion of it. It should be spread very 

 carefully between two leaves of tea-paper with sheets of drying paper 



