242 
FOURTEENTH REPORT. 
B etui a. 
Ifypoxylon multiforme Fr. For Mich, by Miss Minns in Ellis and Everhart, 
’88 p. 42. 
Exosporium cespitosum El. & B. Mackinac Island, July '99, E. T. Harper, 
reported by Ellis and Bartholoipew '02 p. 178. 
Betula lutea Miehx. f. 
Nectria coccinea (Pers.) Fr. Pollock ’05 reports from Port Sanilac. 
Betula pumila L. 
Microsphaera alni (DC.) Wint. Munith, 8-16-93, Hicks. 
Alnus. 
Diaporthe nivosa E. & Hoi. Isle Royale, July ’89, N. A. F., 2535. 
Erysiphe aggregata (Pk.) Farl. Charlevoix, Spalding, M. 
Alnus incana (L.) Willd. 
Exoascus amentorum Sadeb. M. A. C., 9-6-85. 
Alnus rugosa (Du Roi) Koch. 
Microsphaera alni (DC.) Wint. M. A. C., Sept. ’93, Hicks. 
Erysiphe aggregata Pk. M. A. C., 10-17-93, Hicks; M. A. C., Aug. ’93, 
Hicks. 
Taphrina amentorum Sadeb. M. A. C., 10-30-93, Hicks. 
FAGACE7E. 
Fagus americana Sweet. 
Diatrype albopruinosa (Seliw.) Cke. A. A., March, April, fide Ellis, M. 
Diatrype virescens (Schw.) FI. & E. A. A., May 25, Johnson, M. 
Dichaena faginea (Pers.) Fr. A. A., May 13, fide Ellis, M. 
Hypoxylon atropunctatum (Schw.) Cke. A.' A., April 22, Johnson, M. 
Ifypoxylon cohaerens Fr. A. A., April 20, Johnson, M. 
Microsphaera alni (DC.) Wint. M. A. C., 9-23-93, Hicks; M. A. C., 
10-15-93, Hicks. 
Castanea dentata (Marsh) Borkh. 
Cytospora. Wayne, March, 1912, Coons, (Not Chestnut Bark Disease 
fide Metcalf). 
Melanconis modonia Tub Colloma, Berrien Co., 9-18-00, Stebbins fide 
Barlow. 
Quercus. 
Bacterium tumefaciens Smith and Townsend. Pollock ’09 p. 54 (Records 
occurrence and suspects woodpeckers of opening cambium). 
Botryosphaeria fuliginosa (Mon.) E. A. A., March, May, Johnson, M. 
Calosphaeria barbirostris (Dufour) E. A E. A. A., April, Johnson, M. 
Cenangium triangulare Fr. A. A., May 12, fide Ellis, M. 
Chaetopsis rosella E. <fc FI. A. A., 3-10-94, Johnson, (cotype) M. 
Dendryphium cllisii Cke. A. A., 9-25-94, Johnson fide Ellis, M. 
Diaporthe leiphaema (Fr.) Sacc. A. A., April 1, Johnson, M. 
Diatrype albopruinosa (Schw.) Cke. A. A., Mich, April, fide Ellis, M. 
Eutypella spinosa (Pers.) Tub A. A., April 1, Johnson, M. 
ffelicoma ambiens Morg. A. A., 5-5-94, Johnson, fide Ellis, M. 
Helicoma monilipes E. & Johnson. A. A., 5-5-94, Johnson, ( cotype M. 
Jfelicomyces cinereus Pk. A. A., 6-3-94, Johnson, M. 
Helicomyces olivaceus Pk. A. A., April, May, ’93, Johnson, M. 
Hypoxylon marginatum (Schw.) Berk. A. A., April 28, Johnson, M. 
Ifypoxylon perforatum (Schw.) Sacc. A. A., April, May, Johnson, M. 
Microsphaera alni Wallr. A. A., Sept., Oct., Spalding, M. (M. quercina ) 
Grand Rapids, 8-6-90, Smith U. S. D. A., Herb. 1416. 
