ADDITIONAL SPECIES, ETC. 3G7 



t. Blitum vikgatum, Linn. 



Area (14). 



Alien. Fisherrow, Edinburgh, j^erliaps introduced with 

 grass-seeds, certainly not with ballast. (Mr. J. T. Syme). 



t. Salix dasyclados, Wimm. 



Area 3. 



Native ? An unsettled addition to the British flora. It 

 is No. 37 of Leefe's Salictum Britannicum, where it is 

 labelled as S. acuminata of Smith (Eng. Bot. t. 1434), but 

 from which Dr. Andersson, Author of the ' Salices Lap- 

 ponise,' pronounces it quite distinct. For particulars, a 

 reference may be made to the Botanical Gazette, vol. iii. 

 page 59. Salix grandifolia and Salix pontederana may 

 possibly be natives of Britain ; for which see the volume 

 of the Gazette cited, pages 59 (No. 36) and 62. 



Salix. 



Notwithstanding the expectation held out on page 386 

 of the second volume, I find it useless to attempt to trace 

 the area and distribution of the several subordinate forms, 

 more or less passing for species in this genus. It is even 

 becoming less apparently needful or desirable ; for bo- 

 tanists are now retracing their steps, or rather the steps 

 of their predecessors, and are re-uniting the dissevered 

 species. On this subject, the recent editions of the 

 British Flora and Manual of British Botany, the views of 



