To the "Corrections" on page 760 add the following 



Page 111. For "Attractium" read Atractium. 



" 143. M "A." read V. before "Alchemillae." 



" 171. " "Shaeropsis" read Sphaeropsis. 



" 173. " "Helmithosphaeria" read Helminthosphasria. 



" 189. H "Carlise" read Carlisle. 



" 192. " "Wallwrothiella" read Wallrothiella. 



" 194. " "hystricina" read hystricinum. 



" 285. " "Stellarinearun" read Stellarinearura. 



'* 384. " M. "sqmata" read M. squamata. 

 " 482. Put V. before "Cypri." 



" 554. " "Silia" read Sillia. 



577. " "grandinea" read grandineum. 



" 584. " "E." read D. 



" 603. " "Cheonpodii" read Chenopodii. 



'* 605. " 15th line, for "1855" read 1955, and in the next line for "1041" read 



1941, and for "Rosaea" read Rosae. 



" 730. " For "Cuccurbitaria" read Cucnrbitaria. 



763. " "Ticothecium" read Tichothecium. 



" 763. " "Trichosphaeriaceae" read Trichosphaerieae. 



In "Keys to the genera," pp. 4 and 58, Uncinula and Byponectria should have 

 been included. 



The genera Botryotpkeeria to Valsaria inclusive, constitute the Family Melo- 

 grammeaa, and Diatrype to Diatrypella inclusive, the Fam. Diatrypece. The diag- 

 noses of these Families were accidentally omitted and are giveu below. 



Page 546, before Botryosphaeria, insert: 



Family. Melogrammese. 



Stroma valsoid or diatrypoid, subpulvinate, globose>>r irregular, mostly erura- 

 pent, and becoming superficial. Perithecia sunk in the stroma or often with the 

 upper part free. Sporidia various. 



Page 565, before Diatrype, insert : 



Family. Diatrypese. 



Stroma effused or valsoid, subglobose or pulvinate, erumpent. Perithecia sunk 

 to the bottom of the stroma or distributed through it. Ostiola not convergent, 

 Sporidia allantoid, hyaline or brownish. 



I 



