State Museum of Natural History. 95 



EXPLANATION OF PLATE 2. 



CORTINAEIUS ANNULATUS, Peck. 



I'ig, 1. An immature plant. 



Fig. 2. A mature plant. 



Fig. 3. Vertical section of a pileus and upper part of its stem. 



Fig. 4. Four spores x 400. 



RussuLA BREViPES, Peck. 



Fig. 5. An immature plant. 



Fig. 6. A mature plant. 



Fig. 7. Vertical section of half a pileus. 



Fig. 8. Four spores x 400. 



CoPBiNus BRASsic^, Peck. 



Fig. 9. Fragment of stem bearing two very young plants. 



Fig. 10. A plant with the pileus unexpanded. 



Fig. 11. A plant with the pileus expanded. 



Fig. 12. Vertical section of a pileus and upper part of its stem enlarged. 



Fig. 13. Transverse section of a stem enlarged. 



Fig. 14. Five spores x 400. 



Marasmius albioeps, Peck. 



Fig. 15. Three plants showing different forms of the pileus. 

 Fig. 16. Vertical section of a pileus and upper part of its stem. 

 Fig. 17. Transverse section of stem. 

 Fig. 18. Four spores x 400. 



