Walnut family.
Carya tomentosa
Common name: White Hickory
 

Mockernut Hickory's compound leaves are 8- 20" long, and the leaflets are 2" to 8" long. Notice the nine leaflets (sometimes there are seven). 

Crush a leaflet in your hand and smell the strong, spicy smell! That strong scent is the best sign that it's a Mockernut Hickory.

It grows 50-80 feet. The branches start about 10 feet from the ground. Lower branches grow right out of the trunk.

Walnut family. Juglans nigra

The Black Walnut's compound leaves are 12-24" long, with 9-21 leaflets that are 2.5-5" long. The crushed leaflets give off a spicy smell.

The nuts grow singly or in twos. They have a thick green husk. The nut inside has a thick shell with a sweet nut. The husks will stain your hands brown.

The trees will grow 70 to 90 feet.

Legume family. 
Gleditsia triacanthos
Common names:
Sweet Locust, Thorny Locust.

The Honey Locust's leaves are both compound and bipinnately (doubly) compound. At the end of this twig you can see the bipinnate (double) compound leaf with its 14 sets of smaller compound leaves. To each side you can see a single compound leaf.  The leaflets are about .4-1.25" long.

Flat pods from 6-16" long hold many beanlike seeds in sweet pulp, which livestock like to eat.

Honey Locust can reach 80'.

Spines up to 8" long grow from the trunk and the twigs.  A spine can end with several points.