What's the difference between verdure and verdured?

Verdure

Definition:

• (n.) Green; greenness; freshness of vegetation; as, the verdure of the meadows in June.

Example Sentences:

• (1) A procedure for the production of biologically active substances from pine and spruce needles was worked out within the research project Utilization of Tree Verdure.
• (2) The physiologic state of residents, looking for recreation in these places, was better in an environment of ample verdure.

Verdured

Definition:

• (a.) Covered with verdure.

Example Sentences:

• (1) A procedure for the production of biologically active substances from pine and spruce needles was worked out within the research project Utilization of Tree Verdure.
• (2) The physiologic state of residents, looking for recreation in these places, was better in an environment of ample verdure.