EXPLANATION OF PLATE II 



8. Calvatia leiospora. 



a. Section of peridium showing gleba and sub-gleba 



b. Threads and spores x 500. 



9. Calvatia hesperia 



c. Peridium natural size. 



d. Threads and spores x 500. 



10. Lycoperdon dryinum. 



e. Peridium natural size. 



f. Section of peridium. 



g. Threads and spores x 500. 



11. Reticularia nitens. 



h. Fragments of walls of sporangia x 40. 



i. Spores x 500. 



12. HEMIARCYRIA MONTANA. 



k- Portion of thread of the capillitum x 500. 

 /. Spores x 500. 



13. Lycogala repletum. 



tit. Portion of internal membrane x 40. 

 n. Three short free tubules. 



14. ARGYNNA POLYHEDRON, SCHW. 



o. Perithecia x 10. 



Thread and spores x 500. 



15. Pyrenomyxa invocans. 



q Stroma natural size. 



r. Section of the stroma and cells x 40. 



s. Another section x 10. 



t. Spores x 500. 



N. B. — The plate is reduced one-third from the drawing. 



