To the "Corrections" on page 760 add the followiiig : 



Page 111. For "Attractium" read Atraotium. 



" 143. " "A." read 'V. before "Alohemillae." 



" 171. " "Shseropsis" read Sphaeropsis. 



" 173. " "Helmithosphaeria" read Helminthosphaerla. 



" 189. " "Carliae" read Carlisle. 



" 192. " "Wallwrothiella" read Wallrothlella. 



'■ 194. •' "hystricina" read hystrioinum. 



" 38.5. " "Stellarinearun" read Steilarinearum. 



384. " M. "sqmata" readM. squamata. 



" 482. Put V. before "Cypri." 



" 554. " "Silia" read SilUa. 



" 577. " "grandlnea" read grandineum. 



" 584. " "B." read D. 



" 603. " "Cheonpodii" read Chenopodii. 



" 606. " 16th line, for "1865" read 1955, and in the next line fer "1041" read 



1941, and for "Bosaea" read Bosse. 



" 730. " For "Cuccurbitaria" read Cucurbitaria. 



" 763. " "Ticothecium" read Tichotheciura. 



" 788. " "TrichosphaerlaoesB" read Trichosphaerieae. 



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

 been included. 



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

 grammeee, and Diatrype to Diatiypella inclusive, the Fam. Diatrypea. The diag- 

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



Page 646, before Botryosphserla, insert: 



Family. Melograinmese. 



stroma valsoid or diatrypoid, subpulvinate, globose or irregular, mostly erum- 

 pent, and becoming superfloial. Peritheoia 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 allantold, hyaline or brownish. 



