Errata 



p. 235, fourteenth line. Y or Jive, read Ji?ie. 



P. 350. No. VIII. was accidentally omitted in numbering 

 this series of papers. 



P. 356, twenty-first line. For C squarrosa^ read G, squarrosa. 



P. 444, In ^'explanation of Plate 366," Fig. 17. V or spores, 

 X 31 5, read spores, x 2jo, 



P. 545, first line. For Symphoricarpus^ read Symphoricarpos, 



p. 583, thirteenth Hne (in key). For Wootoni, read Wootonii. 

 P. 58;^, thirteenth Hne. For Wootoni, read Wootonii. 



( G50 ) 



