ERRATA. 
Page 6, footnote 2, after * wiss.’ insert ‘ Bot.’ 
„ 35, line 6, for ‘ germ-spore ’ read ‘ germ-pore.’ 
„ 63, for corrections in the Revised List of the British Marine Algae see 
the ‘Appendix’ on p. 522. 
„ 122, line 21 ,for ‘Zeille’ read ‘Zeiller-.’ 
„ 297, Postscript, line 11, omit ‘not’ after ‘ Cucurbitaceae.’ 
„ „ „ „ 29, for ‘when’ read ‘where.’ 
