16 ARKIV FÖR BOTANIK. BAND 12. N:0 7. 



1. C. is given: »Z), stylaris Gay ined. in herbarium Gaudin»). 

 Under the name of D. stylaris J. D. Koch has described the 

 same plant in Syn. Fl. Germ. ed. 2 1843 p. 70. In the 3d 

 ed. of this work (1857) p. 57, he gives it the name of Draha 

 Thomasii Koch, in honour of the above mentioned E. 

 Thomas, who had been the first to discover it in Switzerland. 



In Scandinavia the name of D. conjusa occurs in the 3d 

 ed. of Hartman's Skand. Flora 1838 p. 153 as a designation 

 for the plant which Hartman in the 2nd edition 1832 p. 178 

 has called D. incano-hirta (= D. inagellanica) , which name 

 appears again in his 4th edition 1843 p. 210. Moreover, the 

 name of D. confusa often occurs in collections for D. magel- 

 lanica. 



The Draha confusa of Central Europe — or to call the 

 plant by its right name — D. styralis (Gay) Koch — is affi- 

 ned both to D. magellanica and D. incana, though well distin- 

 guished from both. 



In collections I have also seen it from the Altai district; 

 but it does not occur in the North. 



I have endeavoured here to pass briefly in review the 

 various nomenclatures for the commonest alpine varieties of 

 the genus Draha. Provided time and strength be vouchsafed 

 me, it will be a great pleasure to me to return once more 

 to this genus, in order to subject to a fuller treatment the 

 many varieties of the D. rupestris group, as well as a few 

 sub-species of Draha magellanica. 



Ere I lay down my pen, it is my pleasant duty to ex- 

 press my most cordial thanks to those who in various ways 

 have assisted me in this interesting study of the genus Draha; 

 first and foremost to Professor C. Lindman of Stockholm; 

 next to Dr. B. D. Jackson, General-Secretary of the 

 Linnean Society in London, Dr A. R. Rendle, Mr Baker, 

 and Mr S. L. M. Moore at the Natural History Museum, 

 Dr 0. Stapf and Mr S. A. Skan at Kew, Dr C. De Candolle 

 and Dr J. I. Briquet of Geneva, Professor N. Wille of 

 Christiania, Dr C. II. Ostenfeld of Copenhagen, Professor 



