182 



Mycologia 



Explanation of Plate XXX 

 Figs. 1-5. Nectria sonata Seaver 



1. Perithecia. 



2. Asci and spores. 



3-5. Conidiophores and conidia. 



Figs. 6-13. Macbridella olivacea Seaver 



6. Perithecia and stroma. 



7. Portion of an ascus with spores. 



8-10. Germinating ascospores after twenty hours in drop culture. 



11. Young stromata. 



12. Conidiophore and conidia (partially diagrammatic). 



13. Conidiophore and conidia. 



Figs. 2-5, 7-10, and 13 were drawn with the aid of the camera lucida. 



