When mature, it is of a uniform pale yellow or straw color.
Taste when young, raw, is sweet, mealy; when mature, like stale lard.
Species of Coprinus are very common and are easily recognized by the deliquescent gills which, when mature, stain the fingers black.
The cap, when mature, is pale red or tan color, fading out in age.
When mature, insects begin to attack it, and not being tough it soon succumbs to the ravages of insects and decay, as do a number of the softer species of the Polyporaceæ.
The spikelets are pale green, sometimes purple tinged and appearing white when mature, softly pubescent, about 1/4 inch long including the awn; the rachilla is produced and disarticulates above the two lower glumes.
Stigmas are white when young and purple when mature.
The spikelets of the grasses coming under this series, when mature, fall away singly by themselves, or with their pedicels, or in groups with portions of the rachis.
When mature, these spores fall freely upon the ground beneath, imparting to it the general colour of the spores.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "when mature" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.