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EXAMINATION PAPER, WEDNESDAY, AUGUST 1, 1849. 
I .^<L, HpORS FROM 10 A.M., TOTIX, 6 E.M 
1. Describe the structure of starch granules, and name 
those plants, or families of plants, which are dis- 
tinguished by granules of peculiar form. 
2. What are the characters which separate true from ad- 
•ventUious roots ? 
3. Describe the normal and abnormal structure and mode 
of growth of dicotyledonous stems. 
4. Name the various structures which have been described 
as specimens of ariilus. 
5. Describe and give examples of the various kinds of ver- 
nation. 
6. Illusirate the importance of .a knowledge of those laws 
which regulate the geographical distribution of plants. 
7. What do plants live upon ? 
8. It has been ascertained that many plants, such as 
ferns, cactuses, &c., if planted in duly moistened 
mould in glass vessels, covered with oiled silk, and ex- 
posed to light, will grow for ten or fifteen years with- 
out fresh supplies of water. Give the rationale of this 
mode of treatment. 
9. What are the changes which take place in the floral 
