This item is a dye which is used for dyeing and crafting.=
Rightclick on a sheep to dye its wool. Other things are dyed by crafting.=
Bone Meal=
Bone meal is a white dye and also useful as a fertilizer to speed up the growth of many plants.=
Rightclick a sheep to turn its wool white. Rightclick a plant to speed up its growth. Note that not all plants can be fertilized like this. When you rightclick a grass block, tall grass and flowers will grow all over the place.=
Cocoa beans are a brown dye and can be used to plant cocoas.=
Rightclick a sheep to turn its wool brown. Rightclick on the side of a jungle tree trunk (Jungle Wood) to plant a young cocoa.=