2 (/) Ascospores more or less ellipsoidal, not many times longer than broad Haluguif;nardia ip. la) 



Key to Species of Haloguignardia 



1 Ascospores 30 /J or shorter, ends rounded H.oceanica 



1 Ascospores 30 /J or longer, ends tapered H. tumefaciens 



KEY TO GENERA AND SPECIES OF DICTYOSPORAE (PLEOSPORA ) 



Ascospores more than 35 yu long, 7-9 trans- 

 verse septa Pleospora pelagica 



Ascospores less than 35 u long, 3-7 transverse 



septa Pleospora peluetiae 



15 



