78 SOUTH AFRICAN BOTANY 
(b) A stipulate imparipinnate compound leaf, each leaflet 
being ovate in outline and having the margin entire. 
(c) A sessile, exstipulate, lanceolate, simple leaf, with margin 
entire, and parallel venation. 
5. Describe the appearance of a typical leaf as seen in trans- 
verse section at right angles to the midrib. 
6. Give an account of the various methods of leaf-folding in 
buds. For each method quote at least one example. 
7. Give an account of the most common forms of the vena- 
tion of leaves. 
8. Describe the anatomical structure of a typical leaf, and 
point out the functions which its various tissues have to 
perform. 
9. Describe (a) the external form, (6) the internal structure 
of the green leaf of any plant that you have studied. 
