Describe the forms in which (a) the non-nitrogenous, and (b) the nitrogenous reserve-materials of plants are deposited.

Mention the organs in which reserve-materials arc most commonly stored, and describe any striking cases of special modification which such organs undergo.

Describe and explain the structure of any Lichen.

What is known as to the occurrence of a sexual process in Lichens?

Give a detailed account of the process of "free cells formation" in any case with which you may be acquainted.

Point out fully the differences between free cell-formation and simple cell-division.

Give an account of the mechanism by which the excretion of water in drops, commonly to be observed in the leaves of plants, is effected. In what respects does the mechanism of the excretion of nectar by nectaries differ from this?

Describe the structure of the ovule of any Angiosperm at the time of fertilization. Describe the process of fertilization. Give an account of the changes which the ovule undergoes in its conversion into the seed.

What stages in the life-history of the plant are represented in the seed?

Give a comparative account of the development from the oospore of the sporogonium of any Liverwort (Hepaticæ), and of any Moss (Musci).

Describe the mode of growth in thickness of the stems and roots of Dicotyledons. In what respects does the mode of growth in thickness of the stems of the arborescent Liliaceæ differ from this?