44 GENERAL BIOLOGY. 



4. The surface of the lamella consisting of 



hyphse at right angles to the surface. 



5. The swollen ends of many of the hyphse bear 



four small awl-like points, the sterigmata, 



each with a single spore. 

 Sketch. 



Tease out in water some of the underground 

 mycelium. 



6. Note the hyphae. 

 Sketch. 



