222 
PHARMACEUTICAL BOTANY 
growing in bunches out of leaf mold. They are all edible and of a 
white, yellow or some other brilliant color. 
Order 5. — Agaricales, the mushroom or toadstool alliance. Alike 
with the other members of the Basidiomycetes, the plant body con- 
sists of the mycelium, ramifying through the substratum, but the 
part which rises above the surface (the Sporophore) is in most cases 
differentiated into a stalk-like body called a stipe bearing upon its 
summit a cap or pileus, the latter having special surfaces for the 
hymenium. 
Fig. 99. — Boletus felleus in three stages of development. (After Patterson, 
Flora W. and Charles, VeraK., Bull. 175, U . S. Dept. Agric., pi. xxxi, Apr. 29, 
I9I5-) 
Family I. — Hydnaceae, or tooth fungi. This group is charac- 
terized by the hymenium being placed over purple-like, spiny or 
long digitate projections of the pileus. Many of the species of the 
genus Hydnum are edible. 
Family II. — Polyporaceae, or pore fungi. The sporophores or 
fruiting bodies of these fungi are various. They may be entirely 
