ENDOTHIA PARASITICA AND RELATED SPECIES. 



31 



Avidth from 1.76 to 1.85 microns are included under 1.8. The rela- 

 tive shapes of the spores in each specimen are thus clearly shown. 



Table I. — Measurements of pycnospores and asci of Endothia. 



Pycnospore Measurements. 





Number per specimen having the given length or width. 





Specimens. 



Lengths (microns). 



Widths (mi- 

 crons). 



Total. 





2 



2.5 



3 



3.5 



4 



4.5 



5 



5.5 



6 



6.5 



7 



1 



1.5 



2 



2.5 





Sphaeria gyrosa Schw. , Herb. 



2 



3 



6 

 5 



10 

 4 



11 

 9 



11 

 6 



8 



6 

 3 



5 

 4 



2 

 6 



4 

 3 



3 



4 



11 



12 

 5 



8 



1 



5 



11 















9 

 5 



5 



15 

 11 



18 

 5 



8 



6 

 8 



7 

 8 

 3 

 12 



2 

 1 



1 

 9 

 17 



19 



4 



9 



19 

 13 



"Y 



26 



S. gyrosa Schw. ,Herb. Schwaeg. 

 Endothia gyrosa on beech, Al- 













17 









I 









24 



















14 









6 



5 



2 



1 















25 



E. fluens on chestnut, Fort 







1 



1 



2 

 4 



' 













25 



E. fluens, Lugano, Switzerland. 

 E. Auens mississippiensis, No. 

















12 

















16 



E. longirostris 2 



3 



t 









6 



14 



6 



6 



3 3 



2 





4 



25 







1 



1 





25 



















Lengths of Asci (Microns). 





No. 



Number per specimen having the given length. 



Total. 



Specimens. 



25 



30 



35 



40 



45 j 50 



1 



55 



60 





1702 

 1737 

 1741 



1729 

 1715 

 1656 

 1711 

 1927 



1806 

 1710 

 1739 

 2151 

 1709 



2 

 



2 



8 

 1 

 5 

 4 

 7 

 6 

 16 

 10 



5 

 1 



11 

 14 



6 

 16 

 16 

 16 



7 

 12 



14 



"~5~ 



1 

 11 











22 



Do 











26 



Do 











11 



Do 



6 

 3 



1 











26 













26 



E. Auens on Castanea, Stresa, Italy 



1 



1 







25 







25 



Do 













24 



E. Auens mississippiensis, Blue Moun- 



3 



1 



10 



2 











22 





2 

 10 

 14 









4 



Do 



1 



4 







26 









4 



3 



27 





1 

 19 



4 

 6 

 6 



7 



6 



15 



13 



10 





8 

















25 







5 

 3 

 1 













24 







3 











25 















17 









6 



5 



3 



2 



16 

















Widths of Asci (Microns). 



Specimens. 



Number per specimen having the given width. 



Total. 



4 



5 



6 



7 



8 



9 



10 









8 

 2 



2 

 1 

 2 



7 

 3 



2 









10 





1 



8 









11 





6 

 6 

 6 



2 

 3 

 2 



1 



4 

 4 

 2 







12 













11 













10 







2 







11 







3 

 6 



7 

 6 







9 









2 

 2 



4 





10 











10 









10 













