STUDY 5. 
VAUCHERIA. Greenfeit. 
A. Vegetative Stage. 
hap eam eds 
10. 
11. 
Under what conditions does this plant grow? 
What is its general appearance? 
How could you distinguish this plant from Spirogyra? 
With l.p. study mounted specimen. What is the 
form of the plant ? 
Is it composed of cells and does it branch ? 
What is its color and how are the chromatophores 
arranged ? 
With h.p. study carefully. What cell structures do 
you observe ? 
Round or oval bodies from which filaments arise are 
germinating spores. If found, study carefully and 
sketch. What is their origin? 
Colorless root-like structures are rhizoids. Do you 
find them and, if so, how do you explain their 
color and function ? 
Apply iodine and note results. What explanation 
can you give for results? 
Make a sketch of a filament showing branching, and 
designate all parts. 
B. Reproductive Stage. 
1. 
2. 
3. 
How many kinds of branches are there? 
What is their relation to the main filament ? 
How do the distal ends of the branches compare? 
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