: ie 4° a on 
~ ae 
' PE s 4, 
"MINNESOTA aoe AL 
9. Section of small strand at point of branching, showing la 
hypha at ‘‘a”; central area B; peripheral area C. x 100. 
to. Tuber with connecting mycelium and base of an old spor ‘O- 
phore at A. Natural size. ; 
BES Section through a small tuber showing continuous “mye 
strand. sien 
H 12. Detail of portion of young sporophore shown in Fig. 
x oe 
13. "Diagrammatic view of section of stipe. = Re 
a ee of a fold : of jaeig: tissue. Xx oe 
at hyphal ends. X 500. a 
16. Portions of hymenial layer in immature sans f ‘ ss 
7. Portion of wall of chamber of stipe. x 500. 
re eit 
18. Diagrammatic view of pileus and gleba immature. te 5: a 
te 19. “Detail of portion of tissue of the base of the “sporophore. ¥ 
Shear 
