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EDIBLE AND POISONOUS MUSHROOMS OF CANADA<br />
scabrous: rough with short, rigid projec-<br />
tions.<br />
sclerotium: a resting body, usually very<br />
hard in consistency, composed of thickwalled<br />
hyphae, and sometimes with a<br />
definite rind.<br />
scrobiculate: with shallow depressions or<br />
pits.<br />
septum: a cross wall in a hypha or spore.<br />
sensu: in the sense of.<br />
serrate: (of lamellae), notched or toothed<br />
on the edge like the blade of a saw.<br />
sessile: (of the pileus), lacking a stipe.<br />
sinuate: (of lamellae), wavy or notched<br />
near the stipe.<br />
species: a population of individuals with<br />
certain inherited characters in common.<br />
There are no fixed rules or standard<br />
for determining a species. The species<br />
concept is largely a matter of judgment<br />
and agreement among taxonomists. The<br />
species is designated by a Latin binomial<br />
consisting of the name of the genus (a<br />
noun) followed by the specific epithet<br />
(an adjective).<br />
sphaerocyst: more or less globular cells<br />
found in the flesh of Russula, Lactarius<br />
and some other basidiomycetes.<br />
sporangium: sac-like cell within which<br />
spores are produced.<br />
spore: the reproductive body of a fungus<br />
or other cryptogams.<br />
squamulose: covered with small scales.<br />
squarrose: covered with erect, recurved<br />
scales.<br />
sterigma (pi. sterigmata): the small stalk<br />
on a basidium on which the basidiospore<br />
is borne and from which it is<br />
forcibly discharged.<br />
stipe: the stalk or stem-like part of a<br />
mushroom, bolete, etc.<br />
stipitate: possessing a stipe.<br />
striate: marked with minute lines or furrows.<br />
striatulate: finely striate.<br />
312<br />
strigose: with coarse, rather long, stiff<br />
hairs.<br />
stuffed: (of the stipe), having the central<br />
part composed of a differentiated pith<br />
that may disappear leaving the stipe<br />
hollow.<br />
sub-: prefix meaning nearly, almost, somewhat,<br />
or under.<br />
substrate, substratum: substance on or in<br />
which the fungus grows.<br />
sulcate: grooved or furrowed, intermediate<br />
between striate and plicate.<br />
taxonomy: the science of classification.<br />
tomentose: densely matted with a covering<br />
of soft hairs.<br />
tomentum: a covering composed of long,<br />
soft, hairy filaments or fibrils, usually<br />
more or less interlaced and matted.<br />
trama: (of the lamellae), the tissue between<br />
the two hymenia; (of the pileus) the<br />
fleshy part.<br />
truncate: ending abruptly as though the<br />
end were cut off.<br />
tuberculate: covered with wart-like or<br />
knob-like projections.<br />
turbinate: top-shaped.<br />
umbilicate: (of the pileus), having a central<br />
navel-like depression.<br />
umbo: a raised conical to convex swelling<br />
like the boss at the center of a shield.<br />
umbonate: (of the pileus), having an umbo.<br />
undulate: wavy.<br />
ventricose: swollen or enlarged in the<br />
central part.<br />
verrucose: warty.<br />
vesiculose: (of cells), enlarged and swollen<br />
to globose or nearly so.<br />
virgate: streaked, usually with fibrils of a<br />
different color.<br />
viscid: sticky to the touch.<br />
volva: the universal veil found in certain<br />
genera such as Amanita.<br />
zonate: (of pileus), marked with concentric<br />
bands of different color than the<br />
remainder of the pileus.
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