Leaves??? HELP!!!?

I need to find Major chaichteristic unique to the tree for the folowing trees:


Silver Maple


Red Maple


Norway Maple


Sugar Maple


Flowering Dogwood


Hardy Catalpa


Red Bud


Lombardy Poplar


White Mulberry


Weeping Willow


Common Apple


Paper-White Burch


Ginkgo


Swamp Oak


Sweet Gum


Sycamore


Tulip Tree


Bur Oak


American Elm


Green Ash


Honey Locust


Kentucky Coffee-Tree


Staghorn Sumac


White Pine


Scotch Pine


Norway Spruce


Colorado Spruce


Eastern Red Cedar


Blue Ash


Chokecherry


heres an example: The Milky Juice at the base of a maple leaf indicates a norway maple.


can you either give me a few or a website where i can find that information.

Leaves??? HELP!!!?
for leafs try( is too much to write):


http://en.wikipedia.org/wiki/Leaf


http://en.wikipedia.org/wiki/Leaf_shape





see also:http://en.wikipedia.org/wiki/Tree





(and dont forget the links in this page.......)
Reply:its hard cutie





sorry
Reply:What the heck kind of Botany question is this? Work on your spell check more...
Reply:I agree with Lover - do your own home work!
Reply:you expect us to answer all that **** 4 u??? gosh lazy ***, do ur own work, dont let others do it 4 u!!!!!




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