ed down the
stem.

_Dehiscent_, a closed organ opening of itself at maturity, or when it
has attained a certain development.

_Deliquescent_, relating to mushrooms which at maturity become liquid.

_Dentate_, toothed, with concave serratures.

_Denticulate_, finely dentate.

_Dermini_, brown or rust colored spores.

_Determinate_, ending definitely; having a distinctly defined outline.

_Diaphanous_, transparent.

_Dichotomous_, paired by twos; regularly forked.

_Dimidiate_, applied to some gills of mushrooms which reach only halfway
to the stem.

_Disciform_, of a circular, flat form.

_Dissepiments_, dividing walls.

_Distant_, applied to gills which have a wide distance between them.

_Divaricate_, separating at an obtuse angle.

_Echinate_, furnished with stiff bristles.

_Echinulate_, with minute bristles.

_Effused_, spread over without regular form.

_Elongate_, lengthened.

_Emarginate_, applied to gills which are notched or scooped out suddenly
before they reach the stem.

_Embryo_, the mushroom before leaving its volva or egg stage; also any
early stage of mushrooms which may have no volva.

_Entire_, the edge quite devoid of serrature or notch.

_Epidermis_, the external or outer layer of the plant.

_Epiphytal_, growing upon another plant.

_Equal_, all gills of the same, or nearly the same length from back to
front.

_Eroded_, the edge ragged, as if torn.

_Etiolated_, whitened, bleached.

_Even_, distinguished from smooth: a surface quite plane as contrasted
with one which is striate, pitted, etc.

_Excentric_, out of center. The stems of some mushrooms are always
excentric.

_Exotic_, foreign.

_Family_, a systematic group in scientific classification embracing a
greater or less number of genera which agree in certain characters not
shared by others of the same order.

_Farinaceous_, mealy.

_Farinose_, covered with a white, mealy powder.

_Fascia_, a band or bar.

_Fasciate_, zoned with bands.

_Fasciculate_, growing in small bundles.

_Fastigiate_, bundled together like a sheath.

_Favose_, honeycombed.

_Ferruginous_, rust-colored.

_Fibrillose_, clothed with small fibers.

_Fibrous_, composed of fibers.

_Filiform_, thread-like.

_Fimbriated_, fringed.

_Fissile_, capable of being split.

_Fistular_, _fistulose_, tubular.

_Flabelliform_, fan-shaped.

_Flavescent_, yellowish, or turning yellow.

_Flexuose_, wavy.

_Flocci_, thread