OF CERTAIN TERMITE XESTS. 267 



Fig. 21.-23. Developing agarics, showing formation of the 

 gills and the solid base. Nat. size. 



XYLARIA (nigripes ?). 

 Fig. 24. A pot-grown conidiferous stroma, x 6. 

 Fig. 25. A developing conidiophore of fig. 24. x 300. 

 Fig. 26. A fully developed conidiophore of fig. 24 : most of 



the bassidia omitted, x 300. 

 Fig. 27. A developing conidiophore of fig. 24. with two 



whorls of basidia. x 300. 

 Fig. 28. Two conidiferous stromata growing from a sclerotium 



formed on the comb in a damp-chamber cultivation. 



Nat. size. 

 Fig. 29. Part of a developing conidiophore from a loose, 



simple stroma, x 300. 

 Fig. 30. Ripe branchlet of a conidiophore of the type of fig. 



29. x 300. 

 Fig. 31. A branchlet from a conidiophore of the stromata 



of Plate XIV. A. Half the basidia omitted, x 300. 

 Fig. 32. Terminal branch of a conidiophore from a stroma 



grown on comb-extract agar, x 300. 



ENTOLOMA MICROCARPUM. 

 Plate XXI. — Fig. 33. Terminal swellings of the hyphas of 



the sphere of Entoloma microcarpum : these grow out 



to form new spheres, x 300. 

 Fig. 34. Spherical cells from the exterior of the sphert of En- 



toloma microcarpum. x 300. 

 Fig. 35. Chains of swollen cells from the sphere of Entoloma 



microcarpum; growth continuing as a simple hypha. 



x 300. 

 Fig. 36. Branched chains of swollen cells from the spheiv of 



Entoloma microcarpum. x 300. 

 Fig. 37. "Kohhubihaufchen" from the nest of Attn 



{Acromyrmex) discigera . Mayr. x 270. After Moller. 

 Fig. 38. " Kohlrabihaufchen " from the nest of Cyphomyrm<x 



auritus. Mayr. x 150. After Moller. 



