226 BOTANICAL OBSERVATIONS 



liable to change as others ; the leaf-stalks as well 

 as the leaves being very variable with respect to 

 their pubescence. 



7. Hieracium sylvaticum et maculatum. 



Schrank. 



All the characters mentioned by Mr. Schrank, 

 though varioufly modified, are found in either of 

 thefe plants, and the liver-coloured spots are of 

 no moment, as in both the varieties, nay even 

 sometimes in Hieracium murorum, they appear 

 more or less intensely displayed. 



According to these observations, the four above- 

 mentioned species of Hieracium of Mr. Schrank 

 might be reduced into two, Hieracium murorum 

 and Hierac. sylvaticum. But are even these really 

 different from each other ? In both, as I have 

 mentioned above, the liver-coloured spots are 

 visible on the leaves, which of itfelf betrays some 

 affinity of their interior structure. Hieracium 

 murorum and H. Sylvaticum are said to be distin- 

 guished from each other by the stalk being either 

 aphyllous, or only monophyllous in the former, 

 and polyphyllous in the latter. But also in this case 



