166 PRACTICAL BOTANY. 



with the possible exception of one common species, and 

 are eaten when young and before the spores have begun 

 to turn dark. 



References for Reading. Goebel's " Classification of Plants," pp. 

 131-139; Vines' "Text-Book of Botany," pp. 310-320; Bennett and 

 Murray's " Cryptogamic Botany," pp. 388-399; Parker's "Elementary 

 Biology," pp. 191-193; Bower's "Practical Botany," pp. 453-461; 

 Dodge's Practical Biology," pp. 301-307; Carpenter's "The Micro- 

 scope," pp. 575, 576; Gibson's "Our Edible Toadstools and Mush- 

 rooms " ; article by Gibson on Edible Mushrooms, in Harper's 

 Magazine for August, 1894 ; Cooke's " Introduction to the Study 

 of Fungi," pp. 119-163; Farlow's u Notes for Mushroom Eaters"; 

 Palmer's " About Mushrooms." 



