224 BOTANICAL OBSERVATIONS 



d. doubly pinnate : last leaflets entire. 



e. doubly pinnate : last leaflets toothed of 

 gashed. 



f. doubly pinnate : last leaflets pinnate, gashed. 

 In the first year when the stalk of the plant is 



not yet much divided, I constantly found the root- 

 leaves simple, with roundish serrated leaflets ; the 

 next year, on the other hand, I often observed 

 different leaves from one root. , 



6. Hieracium muroruni and pilosissimura 



SCHRANKII. 



Both plants, which former botanists, as 

 Tabern^emontanus, Barrelier, &c. had con- 

 sidered as two distinct species, Linnaeus united 

 under the name of Hieracium muroroum ; but Mr. 

 Schrank, in his Bavarian Flora, again divides 

 them into two species, to which, according to my 

 own observations, they are no way intitled* The 

 characters assigned to them by this latter botanist 

 are not sufficiently distinctive and exclusive, but 

 both plants gradually run into each other in such a 

 manner as to preclude all possibility of fixing their 



