Handbook of the British flora: a description of the flowering plants and ferns indigenous to, or naturalized in, the British Isles. For the use of beginners and amateurs. By George Bentham.
London :L. Reeve & Co.,1920.
University of California Libraries (archive.org)
Evidence reported by alyson-wieczorek for item handbookofbritis00bentiala on November 27, 2006: no visible notice of copyright; stated date is 1920.