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J pilosella 



pilosella X 

 aurantiacum 



aurantiacum 



The underside of 1 dense covering of 

 the leaves stellate hairs 



less dense covering 

 of stellate hairs 



no stellate hairs 



The basis of the 

 large and stiff 

 hairs of the leaves 



uncoloured 



uncoloured or very 

 slightly red 



red 



The hairiness of 

 the scape 



hispid and with 

 black glandular 

 hairs and further 

 at the basis with 

 numerous, longer, 

 uncoloured hairs 



hispid and with 

 black glandular 

 hairs and further 

 at the basis with 

 longer, uncoloured 

 or slightly red hairs 



hispid and with 

 numerous black 

 glandular hair 

 and further at the 

 basis longer, more 

 or less red hairs 



Arrangement of 

 the flower-heads 



one large termi- 

 nal head 



2—5 heads of 

 rather large size ; 

 one terminal, the 

 others on branches 

 going out from 

 different places of 

 the main-scape 



rather small head s 

 arranged in a co- 

 rymb at the top 

 of the scape 



Colour of the co- 

 rollas of the outer 

 flowers 



yellow , with a 

 narrow orange red 

 stripe on the 

 underside 



lightly orange, at 

 the basis yellow, 

 with a broad orange 

 red stripe on the 

 underside 



orange red, at the 



basis lightly 

 orange 



Colour of the co- 

 rollas of the other 

 flowers 



pure yellow 



yellow with orange 

 red teeth 



ligthly orange, at 

 the basis yellow 



A great help to clearing up these things and also to the solu- 

 tion of other problems was the discovery of a Hieracium-plaxit with 

 quite empty and shrunken anthers, a purely female plant. I 

 found this plant in a lawn and saw afterwards, that it had escaped 

 from the Hieracium-pht, where the same form was labelled H. 

 excellens Blocki. It is a tall species of the subgenus Pilosella ; it 

 has a very rich-flowered corymb at the top of the scape, small 

 and rather few-flowered yellow heads; the leaves are hairy, but 



