38 ILUSOIS BIOLOGICAL MONOGRAPHS 1204 



EXPLANATION OF PLATES 



PLATE I 



Figs. 1-4 H ysteroitrofiiitm palmac. 

 Fig. 1. Two perithecia in section showing location and relation to the tissues. 

 Fig. 2. Edge of a perithecium showing radiate character and absence of free mycelium. 

 Fig. 3. Edge of perithecium showing more detail, also 3-ascospores. 

 Fig. 4. Two asci with spores. 



Figs. 5, 6 Coccoslromopsis palmigena. 

 Fig. 5. A stroma in section showing locules and central attachment. 

 Fig. 6. An ascus with spores. 



Figs. 7-14 Nowcllia giiiancnsis. 

 Fig. 7. Drawing of a stroma in section showing foot and two locules. 



