REPORT OF THE STATE BOTANIST 



319 



Fig. 3 A Hydnuni; c the cap; t the aculei or teeth; s the stem; mc the 

 mycelium. 



Figs. 4 to 8 Vertical sections of caps and the upper part of their stems 



showing the relations of gills to stems. 

 Fig. 4 Gills free from the stem; stem hollow. 

 Fig. 5 Gills adnexed; stem stuffed. 

 Fig. 6 Gills adnate; stem solid. 



Fig. 7 Gills emarginate, also adnate and having a decurrent tooth. 

 Fig. 8 Gills decurrent. 



Fig. 9 A plant with its cap umbonate, also squamose, and its stem bulbous. 

 Fig. 10 A plant with its cap umbilicate, its gills decurrent and its stem equal. 

 Fig. 11 A basidium with its four spores. 

 Fig. 12 An ascus containing eight spores. 



PLATE 1. 

 Lycoperdon giganteum Bat scli. ' 

 Giant Puff-ball. 

 Fig. 1 An immature plant; about one-half the natural size. 

 " 2 A mature plant with its rind above breaking into fragments, falling 

 away and exposing the dusty mass of spores; about half the 

 natural size. 



' ' 3 Two fragments of filaments from the spore mass, magnified about 



400 diameters. 

 ' ' 4 Several spores, X 400. 



Fig. 1 An immature plant. 

 ' ' 2 A full-grown plant with even surface. 



" 3 A full-grown plant with the surface cracked into areas or broad 

 spot-like scales. 



' ' 4 A mature plant with the upper part of the rind breaking into frag- 

 ments, falling away and exposing the purplish spore mass. 



' " 5 The ragged cup-shaped base of an old plant after the upper part of 

 the rind and the spore mass have been dispersed. 



' ' 6 Vertical section through an immature plant. 



' ' 7 Two fragments of filaments from the spore mass, X 400. 



' ' 8 Seven spores, X 400. 



PLATE 2. 



Lycoperdon cyathiforme Bosc. 



Cup-shaped Puff-ball. 



PLATE 3. 



Morchella esculenta Pers. 



Common Morel. 



Fig. 1 



" 2 

 " 3 



A mature plant. 



Vertical section through the center of a mature plant. 

 A spore sack containing eight spores, X 400. 



