THE FUXGI 247 



(by The root-like branches, or rhizoids, which proceed from some 

 hyphfe into the bread or other substratum. 



(c) The presence or absence of transverse partitions in the hyphte. 



Fig. 172. Unicellular Mycelium of a Mold {Mucor Mucedo), sprung 

 from a Single Spore. 



a, b, and c, branches for the production of spore-cases, showing various 

 stages of maturity. (Considerably magnified.) 



(rf) The granular protoplasm, more abundant in some parts of 

 the hyphse than in others. 



Make one or more drawings to show the points above mentioned 

 (a-d). 



320. Reproduction. — With h.p. examine a series of spore-cases of 

 various sizes and note : 



(a) The various stages in the development of the spore-cases. 



(i) The ripe .spores escaping. Make a drawing to show these. 



Sow some of the spores of (i) on the surface of " hay tea " made 

 by boiling a handful of hay in just water enough to cover it and 

 then straining through cloth or filtering through a paper filter. 



