ERRATA. 



Page 9, Fig. 1, for " p]rysipheae " read " Erysiphe." 

 ,, 35, Hue 11 from foot, for " tyrosin " read " trypsin." 



,, 181, ,, 24, for " quercinium " read " quercinum." 



., 185, ,, 6, for " Nectrina " read "Nectria." 



,, 195, ,, 3, for " setuloso " read " setulosa." 



,, 256, 6, for " Belionella " read " Beloniella." 



,, 305, ,, 11 from foot, for Tolysporium " read "Tolyposporium." 



,, 312, ,, 1G, for " heloscladii " and " Heloscladium " respectively, 



read " helosciadii " and " Helosciadium." 



337, 10, for " Onybrychis " read " Onobrychis." 



,, 355, 25, for " Cichoria " read " Cichorium." 



,, 403, ,, 9, for " Cypressus " read " Cupressus." 



,. 404, ,, 5, far " Escheveria " read " Echeveria." 



420, 3, for "Thecospora" read " Thecopsora." 



