DIRECTIONS FOR USING KEYS. 153 



SECTION B. 

 Class I. Key to Clavabiei. 



1. Fleshy-j branched or simple, without dis- 



tinct stem, growing on the ground, Clavaria, 



2. Growing on trunks, yellowish, becoming 



dark, much branched, tense and 



straight, C. stricta. 



3. Yellow, stuffed, clubs simple or forked, 



of the same color, C. inequalis. 



4. Color changeable, becoming dark, light 



yellow, then reddish, simple, 

 fleshy, stuffed, obovate, clavate, 

 obtuse, C. pistillaris. 



DIVISION II. 



Key to Gasteeomycetes and Ascomycetes. 



Section A. Fungi that have the spores inside the cap. 

 (Stomach fungi or Gasteromycetes.) 



Section B. Fungi that have the spores in delicate sacs. 

 (Spore sac fungi or Ascomycetes.) 



SECTION A. 



1. Fungi covered with a hard rind, Scleroderma. 



2. In which the spores when ripe turn to 



dust, 4. 



Where spores are at first closed in a cup- 

 like sac that resembles a bird's-nest, 3. 



3. Fungi with the outside covering bowl- 



shaped of one cottony layer, 



Crucibulum, the Crucible. 

 Outside covering tubular, trumpet- 

 shaped, of 3 layers, Cyathus, the cup 



