All tree leaves have an outer layer called the epidermis, which can also be used in the identification process. This leaf "skin" always has a waxy cover called the cuticle and varies in thickness.

July 2 JOÃO PEDRO £55m ($75.8m) Brighton: B+ Chelsea: B- Pedro joins Nicolas Jackson and Liam Delap to create a suddenly well-stocked, well-rounded forward group at Chelsea.

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