PLATE I. 



1. Tricholoma grammopodium. An inverted stipeless 



" cap " arising from the centre of the npper surface 

 of the pileus. (Massee photo.) p. 28. 



2. Tricholoma sordida. An inverted stiped "cap" on 



the upper surface of the pileus; it has been detached 

 from the ground and carried up. pp. 20 & 27. 



4. Armillaria mellea. Fig. 3. — A fasciated specimen. 



Fig. 4. — A normal specimen, pp. 17, 18. 



5. Tricholoma sordida. Formation of an alveolar hy- 



menium on the upper surface of the pileus by 

 invagination from the lower surface, p. 28. 



