MICHIGAN ACADEMY OF SCIENCE. 
! Plowrightia morbosa (Schw.) Sacc. Longyear, ’05 p. 369-371, fig. 21; 
Dandeno, ’07 p. 74-75 reports for M. A. C., (Inoculation experiments 
made); N. Adams, March, 1912, Corey, fide Coons; Eaton Rapids, 
July 11, fide Coons (epidemic); Grand Rapids, June 11, fide Coons; 
Elsie, Clinton Co., 6-1-11, fide Coons. 
Podosphaera oxyacanthae (DC.) l)eBy. Longyear, ’05 p. 375, fig. 25. 
*>S Sclerotinia fructigena (Pers.) Schroet. Longyear, ’05 p. 371-373, figs. 
22, 23; Dandeno, ’08 p. 51-53 for M. A. C.; M. A. C., 8-3-89, (Monilia)) 
51. A. C., Manistee, Kalamazoo, Turner, April, May, June, fide Coons. 
Septoria cerasina Pk. 51. A. C., 9-1-83, fide Beal. 
Prunus (Cherries) . 
Sun Scorch. Longyear, ’05 p. 393. 
Cercospora circumscissa Sacc. A. A., 7-18-92, Spalding, 51. 
Cladosporium carpophilum Thiim. Longyear, ’05 p. 367-368, fig. 20. 
Cylindrosporium pcidi Karst. Longyear, ’05 p. 375 and 373, fig. 24; 
Wellston, Holland, Onekama, Tustin, Ludington, Fremont, 1911, fide 
Coons. 
Plowrightia morbosa (Schw.) Sacc. St. Ignace, 8-22-03; Longyear, ’05 
p. 375; 51. A. C., fide Coons. 
Podosphaera oxyacanthae (DC.) DeBy. Marquette, 8-24-98, Towar, fide 
Coons; Longyear, ’05 p. 375. 
*Sclerotinia fructigena (Pers.) Schroet. Longyear, ’05, p. 371-373, fig. 
22, 23; 51. A. C., Jackson, June, July, ’ll, fide Coons. 
Prunus americana 5Iarsh. 
Cladosporium carpophilum Thiim. 51. A. C., July, ’93, 5Vheeler. 
Exoascus communis Sadeb. Three Rivers, 6-6-90, 5Vheeler, fide Coons. 
Exoascus longipes Atk. Grass Lake, 4-31-96, Irwin, fide Coons. 
Monilia sp. 51. A. C., Oct., ’91, Hicks. 
Plowrightia morbosa (Schw.) Sacc. 51. A. C., Dec., ’91, Hicks. 
Prunus chaemsecerasus Jacq. 
Monilia sp. 51. A. C., 7-16-93, Wheeler. 
Prunus nigra Ait. 
Exoascus communis Sadeb. Alma, 6-2-94, 5Vheeler; 5Iiss Patterson, 
’94 p. 102 reports a specimen from Alma, Mich, sent her by L. H. Bailey. 
Atkinson, ’94 p. 334 reports material given him by Bailey collected by 
C. A. Davis at Alma, Mich., 6-2-94. (Probably same material.) 
Prunus pumila L. 
Exoascus communis Sadeb. Muskegon, June, ’98, fide Coons. 
Monilia. 51. A. C., 6-14-93, Wheeler; 51. A. C., 7-26-92, Beal; Saugatuck, 
8-24-96, Wheeler. 
Prunus serotina Ehrh. 
Sclerotinia seaveri Rehrn. 51. A. C., 6-6-93, 55 r heeler ; M. A. C., 6-22-97: 
51. A. C., 5-29-98; 51. A. C., 5-31-00; (under name Monilia sp.); 51. A. 
C., 6-1-12, Coons and MeClintock, fide Coons; Pollock, ’09, p. 48-49 
records conidial stage, A. A. 5-30-05, and at Dead Lake, ’05, Ascus 
stage was found at A. A., May, ’09. 
Plowrightia morbosa (Schw.) Sacc. 51. A. C., March, ’93, Wheeler. 
Podosphaera oxyacanthae (DC.) DeBy. 51. A. C., Oct., ’91. 
Prunus virginiana L. 
Exoascus cecidomophilus Atk. Grand Traverse Bay, 7-3-98 fide Wheeler. 
Exoascus confusus Atk. 51. A. C., 6-24-87, fide Beal. 
*The species of Sclerotinia upon fruits in Michigan are not definitely known. 
