Dermini, a group of fungi with brown or rust-colored spores.

Descend´ing (descindere, pp. descensus, come down, fall, < de, down, scandere, climb), applied to a marginal veil when, in the young stage, its marginal attachment is below the level of its stem-attachment; a ring formed from it is called superior; turned downward.

Des´iccate, Des´iccated (desiccatus, pp. of desiccare, dry up, < de, intensive, < siccare, dry), dried.

Deter´minate (determinatus, pp. determinare, fix, limit), ending definitely; having a distinctly defined outline.

Determina´tion (determinatio(n), boundary, conclusion, end, determinare, pp. determinatus, bound, determine), assignment to the proper place in a classification or series.

Diagno´sis (diagnosis, a distinguishing), scientific discrimination of any kind; a short distinctive description, as of a plant.

Diaph´anous (Gr—through, + to appear), of a transparent texture; permitting the passage of light.

Dichot´omous (Gr—in two, + to cut), dividing into two; regularly forked.

Dichot´omy (Gr—a cutting in two), a mode of branching by constant forking or dividing in pairs.

Did´ymous (Gr—double, twofold, twin), double; of two equal parts.