THE FUNGI 403 
OrDER 2.—ExosasIDIALES.—This group is found growing 
parasitically on shrubs especially those of the heath family. 
The mycelium lives in the tissues of the stems, leaves, sepals and 
petals and produces spongy, fleshy, yellowish or brownish galls 
which are popularly called ‘Azalea apples.” The galls are 
edible. ‘They are covered with a hymenium. 
ORDER 3.—THELEPHORALES. These possess fruit-bodies 
appearing on tree trunks as flattened leathery or crust-like 
Fic. 298.—Coral-like fruit-bodies of Clavaria flava. (Harshberger, from Photo by 
W. H. Walmsley.) 
or bracket-like outgrowths often overlapping each other. 
Example: Corticium. 
OrDER 4.—CLAVARIALES, the coral or fairy club fungi. 
Fleshy coral or club-shaped forms, all of which are saprophytes 
found in woods growing in bunches out of leaf mold. They 
are all edible and of a white, yellow, lavender or some other 
brilliant color. (See Fig. 298.) 
OrbDER 5.—AGARICALES, the mushroom or toadstool alliance. 
Alike with the other members of the Basidiomycetes, the plant 
body consists of the mycelium, ramifying through the sub- 
ee 
gait 
P rT al va 
