10 



Order II. GASTEROMYCETES 



Hymenium concealed within a peridium until the spores are 



mature (fig. 9). Families VII-XI 



Fig. q. — Basidia and spores of Scleroderma vulgare Fr. 

 b, basidia ; sh, spores ; st, sterigmata. X 400. 



VII. Phalloidace^e. Pileus and stem or latticed receptacle at first 

 enclosed in a globular peridium with a gelatinous stratum. 

 Peridium at length opening at the apex and the gleba 

 extended on a stem or lattice. Genera 107-110 



VIII. Lycoperdace^e. Peridium globular, with a capillitium ; at 

 length opening for the dispersion of the spores. 



Genera 111-116 



IX. Sclerodermace/E. Peridium globose, thick, without a 



capillitium, dehiscing irregularly. Genera 117-118 



X. Nidulariace^e. Peridium bell- or cup-shaped, containing 

 compressed or globose peridiola which become free at 

 maturity. Genera 119-122 



XI. Hymenogastrace/e. Subterranean, peridium without a capil- 

 litium, indehiscent. Genera 123-128 



