FORMS OF GASTEROMYCETES 



the periderm of these little cup-shaped bodies open, these tougher 

 parts appear as minute eggs in a nest (Fig. 174, B). 



99. Order f. Phallales or Stink Horns. These fungi first 



FIG. 174. A common bird's-nest fungus, Crucibulum: A, habit of fungus 

 on branch of hickory. B, one of the cups in section, showing the tough 

 hyphae surrounding the spore-bearing cavities. 



FIG. 175. A common form of the Phallales, Phallus: A, the so-called 

 egg-stage which in B, sectional view, is seen to consist of an outer peri- 

 derm, p, and within is a central stipe, s, capped with a pileus. The spore- 

 bearing cavities of the pileus are shaded. C, stipe and pileus have emerged 

 from the periderm, which forms an irregular sac about the base of the 

 stipe. D, later stage after the spore-bearing layer has dissolved, revealing 

 the cavities on surface of pileus. 



