134 MORPHOLOGY AND LIFE HISTORY 



6. Make drawings showing all features observed un- 

 der G. 

 H. General Questions: 



1. Explain how Albugo is disseminated. 



2. What weather conditions would favor its dissemina- 

 tion? 



3. The blight caused by Albugo is difficult to eradicate. 

 What characteristic of the plant helps to explain 

 this fact? 



4. Classify the phycomycetes you have studied as 

 either Zygomycetes (Section i), or Oomycetes (Sec- 

 tion 2), and give a reason for your classification. 

 Give the literal meaning of these two new terms. 



