epistrophe (ἐπί, towards, στροφή, a turning), the arrangement of the row of chloroplasts at right angles to the incident light.
eremi´um (ἔρημος, desert), a desert formation; eremad, a desert plant.
estival, pertaining to summer.
-etum (locative suffix), suffix used to denote a consocies.
eugeogenous (εὖ-, well, γῆ, soil), weathering readily to form soil.
facies, a dominant species of a formation: a distinct area controlled by it is a consocies.
family, a group of individuals belonging to one species.
fixity, the condition characterized by little or no response to stimuli.
flavovirens, yellow green.
forewold, equivalent to the German “vorwald,” the thicket zone bordering a forest.