§rtst0l Jfieltr-botiinn in 1901. 
By JAMES W. WHITE, F.L.S. 
^ I "^WENTY years have gone by since tlie local " Flora of 
^ the Bristol Coal-fields " began to appear in these Trans- 
actions. The publication was completed in annual instal- 
ments spread over a lengthened period ; the later portions 
naturally containing more information than the earher ones. 
However imperfect this work may have been, it was in the 
main accurate, and has probably proved serviceable to many 
botanical students. 
During these intervening years much field-work has been 
done in the district, a consideralbe number of additional 
species and varieties have been discovered, some obscurities 
in old records have been made clear, misconceptions in nomen- 
clature have been corrected, and great general progress made 
in tracing the distribution of flowering plants around our 
city. 
Although a good deal of this recently acquired knowledge 
has been made known in supplementary additions to the book, 
in the Reports of the Society's Botanical Section, and in 
" Notes on Bristol Plants," Published in the Journal of 
Botany^ it is thought advisable to give the members a more 
