2X2 
PHARMACEUTICAL BOTANY 
ternal and middle portions of the human ear. It is also a cause of cork 
disease, so often imparting a disagreeable taste to bottled beverages. 
Pig. 92. — Sterigmatocystis niger ( Aspergillus niger) showing conidiophores and 
conidiospore formation with stages in germination of spores. ( Harshberger , after 
Henri Coupin.) 
Order 4. — Tuberales, the truffles. Fungi whose septate mycelium 
is often connected with the roots of trees forming the structure 
