Locate at least five different kinds of leaves on Post. Identify the genus and, if possible, the species. Locate both needle-leaved and broad-leaved  plants, deciduous and evergreen. Determine if they are simple or compound. Determine if they are simple or compound.
Analyze the geometries of your leaves, and consider such elements as thickness of skin [epidermis], protective devices, etc. Read Peterson on tree geometry[215-8]; Account for the differences in light [use a light meter if you have one to quantify these differences] in an open field, under an oak, under a dogwood, under a pine, under a spruce. See also stratification[p7].