-13- 



The spores he says are ellipsoid, ends round or less pointed, hyaline, 

 often containing refractive granules, and measure 10-15 x 5-8 microns. 

 The measurements of chlamydoepores, conidia, he gives as 10-28 x 7-17 

 microns, mostly 7 x 11 microns. He gives the color of the pustules as at 

 first cinereous, later on cherries and plums becoming ochraceous-buff to 

 Isabella color (R), on peaches even drab to Isabella color (H), on pears and 

 apples acquiring a blackish tinge. He eays also they are lemon-shaped, 

 continuous, hyaline, inarticulate di - or trichotomously branched chain* 

 without dis junctors. 



Reads* s description seems to fit better into Aderhold and Ruhland's 

 description of . laxa than their description of J>. fnactigana. S 

 fructigena is supposed to have ascospore* pointed at both ends, which do not 

 contain granules or oil drop. 



Mathney (13) in 1913 decides that the American brown-rot fungus is 

 Sclerotinia cineroa and not Sclerotinia fructigena. He knows of *derhold 

 and Ruhland's work dealing with the three species, fructigena. laxa and 

 cinerea but he evidently does not consider laxa very seriously. 



Mathney*s general averages of asco spore measurement* taken from 

 Connecticut, Massachusetts, Maryland, New York, Indiana, and Wisconsin 

 follow: 



Host Asci Aecoepores 



Microns Microns 



Peach 135-190 x 6.9-10.5 10.5 -14.5 x 5.2-7.5 

 mostly 163 x 8.9 mostly 12.5 x 6 



Plum 135-173 x 6.8-10.8 9.3-14.2 x 5-7.4 

 mostly 151x9.4 mostly 11.8 x 6.3 



The average measurements for the American brown-rot conidia he hives 

 as 14.7 x 9.9 microns. Conidia from California, Indiana, and New Hampshire 

 and local conidia were used in getting these measurements. These measurements 



