200 SYLVA FLOKIFERA. 



they fix themselves too fast to be washed off 

 by water. 



Insects may be destroyed by placing a 

 chafing dish, with lighted charcoal under the 

 bushes, and then throwing a little brimstone 

 on the coals ; but this must be done in small 

 quantities, and carefully, lest the sulphur in- 

 jure the plants. 



The lady-bird, coccinella punctata, so named 

 from the points or specks on its shell wings, 

 hunts rose bushes to feed on the small insects 

 vulgarly called blights. 



The brier and Scotch roses are frequently 

 attacked by the Cynips rosce, which, by punc- 

 turing the bark, occasions the production of 

 those singular and beautiful flossy tufts, which 

 are so frequently seen on wild roses. These 

 rose galls contain several little cavities, in each 

 of which is a small maggot. This substance 

 was formerly used in medicine, under the 

 name of Bedeguar. 



The rose is too important a flower to have 

 been overlooked by iEsculapius, who in old 

 times used every part of this plant, from the 

 root to the yellow anthers within the blossom, 

 for some particular purpose in medicine, as 

 may be seen in the works of all the ancient 

 medical authors. The kinds of roses princi- 

 pally used in modern practice, are the red and 



