22 BOTAXICAL GAZETTE [july 



Figs. 5, 7, 8. — Basidiocarps and mycelial strands formed in cultures, 

 slightly reduced in size. 



Fig. 9. — Median longitudinal section of young basidiocarp with mycelial 

 strand from which it developed; X31. 



Fig. 10. — Slightly older basidiocarp, cut somewhat diagonally to show 

 relation of filaments of strand to basidiocarp; X31. 



Fig. 11. — Median longitudinal section of basidiocarp showing origin of 

 inverted gelatinous dome, which is first internal differentiation to take place; 



X31. 



Fig. 12. — Median longitudinal section of basidiocarp with zone of gelatini- 



zation well defined and origin of peridioles evident; X31. 



Fig. 13. — Longitudinal section (median at top, little to one side of center 



at base) of basidiocarp, with all parts of mature fruit body distinguishable; 



X13. 



Fig. 14. — Median longitudinal section of basidiocarp intermediate between 



figs. 11 and 12; X31. 



Fig. 15. — Median longitudinal section of basidiocarp, somewhat older 

 than fig. 13; Xi3- 



Fig. 16. — Higher magnification of portion of basidiocarp shown in fig. 



13; X31. 



Fig. 17. — Median longitudinal section of basidiocarp slightly older than 



fig. 15; X13. 



Fig. 18. — Higher magnification of portion of section shown in fig. 1 5 ; X 3 1 • 



Fig. 19. — Transection of mycelial strand; X225. 



Fig. 20. — Longitudinal section of mycelial strand; X225. 



Fig. 21. — Higher magnification of lower peridiole shown in fig. 17; X31. 



Fig. 22. — Higher magnification of upper portion of section shown in fig. 



17; X31. 



Fig. 23. — One peridiole, with funiculus and portion of peridium from 



longitudinal section of basidiocarp; X31. 



Fig. 24. — Higher magnification of gelatinizing zone (x-x) from section 

 shown in fig. 1 1 ; X225. 



Fig. 25. — Higher magnification of earliest trace of peridiole differentiation; 

 center of converging filaments at point of intersection of line A- A ; X 225. 



Fig. 26. — Higher magnification of peridiole from upper portion of fruit 

 body shown in figs. 13 and 16; X225. 



Fig. 27.— Hymenium and subhymenium as seen in peridiole with mature 

 spores; X225. 



Fig. 28. — Higher magnification of peridiole shown at lower left hand side 

 of figs. 13 and 16; X225. 



Fig. 29. — Section of peridiole about one-half mature size, showing structure 

 of hymenium and tissues below it; X225. 



Fig. 30. — Funiculus of peridiole shown in fig. 29; X225. 



