mesocratic

Adjective

 * 1) Relating to mesocracy, or rule by the middle class.
 * 2)  Neither leucocratic nor melanocratic; having a more or less even mixture of light and dark constituents.

Noun

 * 1)  The second stage of interglacial forest development (Early-Temperate), characterized by a transitional mix of light-demanding and shade-tolerant species.