EXPLANATION OF PLATE. 



Figs. 1-5 inclusive are about tliree-fourtlis natural size as reduced. The re- 

 mainder of tlie figures were drawn with a camera lucida with the magnifications 

 iiidicated, and reduced one-third in tlie reproduction. 



Fig. 1. Several young fruiting bodies on a common mycelium. 



Fig. 2, 3, 4. Specimens illustrating different habits. Fig. 3 shows chambers 



exposed in a few places. 

 Fig. 5. Median longitudinal section of mature specimen, x = perid., 



y = col., z— gleba. 

 Fig. 6, 7, 8. 9. Sections of various stages. Fig. 8, X 16; Fig. 9, X 16; Fig. 6, 



X12; Fig. 7, X 10. 

 Fig. 10. Tlie end of cohnnella seen from outside. 



Fig. 11. Chambered structure seen from outside wliere peridium has 



opened, X 19. 

 Fig. 12. A young and a mature basidium bearing spores. 



Fig. 13. Portion of Fig. 8. G25 diam. x, y, z, as above. 



Fig. 14. Portion of chamber wall, showing trama and basidia. 



Fig. 15. Groups of basidia and spores. Oc. 4., f^ oil im. 



