SCLEROTINIA 81 



cylindric, reaching a length of 100-125 /x and a diameter of 4-6 n, 

 8-spored; spores 1-seriate, ellipsoid, simple hyaline, 2.5-3.5 X 

 5-7 M ; paraphyses filiform, 1.2-2.5 fj. thick, slightly swollen above. 



On diseased flowers of Camellia japonica. 



Type locality: Hay ward, California. 



Distribution: California and Ontario, Canada. 



Illustrations: Phytopathology 30: 167,/. 1; 169,/. AD. 



11. Sclerotinia fallax (Sacc?) Cash & Davidson, Mycologia 25: 

 270. 1933. 



?Sclerotium fallax Sacc. Nuovo Giorn. Bot. Ital. 23: 197. 1916. 



Sclerotia on leaf, reaching a length of .3-2 mm., a width of 

 1 mm. and a thickness of .5 mm., falling out and leaving holes 

 in the leaf. 



Apothecia small, patellate, 1-1.5 mm. in diameter, pale- 

 brown, long-stipitate; stem reaching a length of 1.4 cm.; asci 

 cyHndric, attenuated at the base, reaching a length of 55 n and 

 a diameter of 5-6 jx, 4-spored; spores 1-seriate in the upper half 

 of the ascus, narrowed at the lower end, 3-4 X 9-12 /x; paraphy- 

 ses filiform, septate, simple, 2 n thick. 



On Potentilla sp. 



Type locality: Mesa Lakes, Colorado. 



Distribution: Known onh' from the type locality. 



12. Sclerotinia minor Jagger, Jour. Agr. Res. 20: 333. 1920. 



Sclerotia formed on the recently killed leaves of the host, 

 small, .5-2 mm. in diameter; microconidia present, 3-4 ^x in 

 diameter. 



Apothecia occurring singly, or rarely more than one to each 

 sclerotium, stipitate, .5-2 mm. in diameter; stem cylindric, 

 slender, flexuous, attenuated downward, .5-12 mm. long; asci 

 cylindric, or subcylindric, reaching a length of 125-175 ^ and a 

 diameter of 8-11 n, 8-spored ; spores ellipsoid to ovoid, 6-8 X 12- 

 16 m; paraphyses filiform, enlarged above, 3-4 ju in diameter. 



Parasitic on lettuce, Lactuca, celery, Apiiim and other plants. 



Type locality: New York 



Distribution: New York, Massachusetts, Pennsylvania, 



and Florida. 



Illustrations: Jour. Agr. Res. 20: 332,/. 1, pi. 59, f. C. 



