PLATE 30 



Fig. 21. Portion of aseocarp of Hydnotryopsis Setchellii gen. et sp. nov. x 

 250 (liam. 



Fig. 22. Spore of Geopora Cooperi. x 500 diam. 



Fig. 23. Spore of Tither monticolum. x 350 diam. 



Fig. 24. Spore of PachypMoeus citrinns. x 500 diam. 



Fig. 25. Spore of Tuber Jignarium comb. nov. x 500 <liam. 



Fig. 26. Spore of HydnohoJites calif ornicits. x 500 diam. 



Fig. 27. Spore of Hydnotrya cerebri formis. x 500 diam. 



Fig. 28. Spore of Tuber argenteum sp. nov. x 500 diam. 



Fig. 29. Spore of Tuber australe. x 500 diam. 



Fig. 30. Spore of Tuber Gardnerii sp. nov. x 500 diam. 



Fig. 31. Spore of Tuber Icvissimum sp. nov. x 500 diam. 



Fig. 32. Spore and paraphysis of Genea compacta. x 500 diam. 



Fig. 33. Ascus and spores of Pseudobalsamia magiuita var. nigrens coml). no\'. 

 X 350 diam. 



Fig. 34. Spore and paraphysis of Genea arenaria. x 500 diam. 



Fig. 35. Section of Geopora magnifica. x i^.. 



Fig. 36. Spore of Hydnotryopsis Setchellii gen. et sp. nov. x 500 diam. 



Fig. 37. Spore of Geopora Harlcnessii. x 500 diam. 



Fig. 38. Spore of Hydnotrya ellipsospora sp. nov. x 500 diam. 



[356] 



