178 BOTANY. 
root-like forms (Fig. 98, 4, m). Sooner or later these un- 
derground filaments produce the spore-fruits, which are 
—— 
GTi) 
Ire 
SSS 
SSS 
el 
i" 
Fia. 98.—Development and structure of a Toadstool. A, vegetative filaments 
producing young spore-fruits; J, II, III, IV, V, sections of successive stages of 
spore-fruits, from very young to maturity; 1, the gills; v, veil; VZ, magnified 
section of a gill, showing layer of spore-bearing cells, hy; VII, greatly magnified 
meceiol of part of a gill, showing layer of spore-bearing cells, with spores of dif- 
erent ages. 
mostly umbrella-shaped, as in common Toadstools and 
Mushrooms, or of various more or less irregular shapes, as 
in the Ear-fungi, Club-fungi, etc. 
