-9- 



Table I. Shoving principal distinguishing characteristic* 

 * tclerotinia, fructigena. Sclerotinia laxa, and Sclerotinia 

 cineroa t>s given by Aderhold and Ruhland. 



Specie* 



Ascoepores 

 (micron*) 



Conidial 

 tuft* 



Aeci 



(microns) 



Habitat 



S. laxa 



11-12.5 x 5.6 -6.8 yellow, 



pointed, larger 



without 

 oil drop* 



11.5-13.5 x 5.2-6.9 gray 



Hunt, often smaller 



with small oil 

 drops 



120-180 x 9x12 pome* 



121 5-149. 9x8.5- 



11.8 apricot 



S. cinerew 



6.2 -9.3 x 3.1 - 4.6 

 blunt 



gray 

 email er 



8.9-107.6 

 x 5.9- 6.8 



* tone 

 fruiti 



The foregoing measurement* for Sclerotiaia cinerea were made from 

 upoth*cia on a peach nuaay *ent to Aderhold and Ruhland by Norton, the 

 ma*ur9:aent* for Sclerotinia fructigania and Sclerotinia laxa were made 

 from material obtained in their own country. 



Maseee (7) 1910 give* only one name, and that Sclerotinia fructigena. 

 to the fora that attack* apple*, cherries, plum* and peache* in England. 

 He *t*y* that the fungu* fruit* are grayish-white or whitish. He describe* 

 the Monilia stage as foil owe: 



"tuft* consisting of simple or branched chain* of ovoid or lemon- 

 shaped hyaline spores, 21-25 x 10-12 micron*. 



The size* of the spore* here given correspond more nearly to the 



