E lliptical, E l lip so id , shaped like an ellipse; oblong with rounded ends.
E marginate (Lat. emargino, to deprive of its edge), having a notch
out out.
E ndemic (Gr. en, in, demos, a country district), confined to a given region.
E ndocarpoid, applied to p e rith e c ia which are sunk iu th e su b stan c e of th e
th a llu s as in Endocarpon.
E piphlceodal (Gr. epi, upon, phloios, bark), applied to the thallus when
growing on the outside of the bark.
E p ispor e (Gr. epi, upon, spora, seed), the outer spore-ooat.
E p ith a l l in e , applied to a spuriously th a llin e ap o th e cia l margin.
E p ithecium (Gr. epi, upon, theke, a case), the layer covering the thecium
or hymenium.
E roded, E bose (Lat. erosus, gnawed), as though bitten or gnawed.
E rumpent (Lat. e, out of, rumpere, to break), immersed then bursting
outwards.
E ugonidia (Gr. cu, well, gonos, offspring), bright-green gonidia {Chlcrro-
phyllacece).
E vbbniieorm, like the genus Evernia (with a strap-shaped thallus).
E xasperate (Lat. exaspero, to make rough), rough with hard projecting
points.
E x oiplb, E xcipulum (Lat. excipula, a basin), term used for the hypothecium
or for that part of the thallus in which the fruit is embedded
(receptacle), or for tbe tissue surrounding the fruit.
E xplanatb (Lat. explanatus), spread out.
F arinaceous, F arinose (Lat. farina, meal), with a mealy surface.
F asciculate (Lat. fascis, a bundle), growing in a close bundle or cluster.
F astigiate (Lat. fastigium, a slope or gable), with branches parallel,
clustered and erect, sometimes decreasing in height outwards like the
gable of a house.
F atiscbnt (Lat. fatisco, to open in chinks), cracked or falling apart.
FAVEOLa:, F aveolate (Lat. favus, a honeycomb), honey-combed.
F erruginous (Lat. ferrum, iron), rust-coloured.
FiBBiLLa: (Lat. fibra, a fine thread), minute fibre-like branches—
F ib r il lo se .
F ilaments (Lat. filum, a thread), thread-like constituents of the thallus—
F ilamentous, F ilifo rm .
F imbriate (Lat.), fringed.
F istulöse (Lat. fistula, a pipe), hollow.
F laccid (Lat. f.accidus), flabby, limp.
F lbxuosb, F lexuous {Lat. flexus, b ent), wavy.
F oliaceous (Lat. folium, a leaf), flat and leaf-like.
F oliolose (L^t. folium, a leaf), consisting of minute lobes.
F ornicate (Lat., arched), of the thalline apices, arched and hood-like.
F oveolate (Lat. fovea, a small pit), pitted.
F buticosb, F ruticulosb (Lat. frutex, a shrub), hav in g th e th a llu s
a tta c h e d by a single basal p o in t, cylindric a l, filamentous or s tra p shaped.
F ucoid {Gi. phukos, seaweed, eidos, like), resembling seaweed.
F uliginous (Lat. fuligo, soot), brown verging on black, soot-coloured.
F urcate (Lat.), forked.
F urcellate (Lat. furcula, a little fork), minutely forked.
F urfuraceous (Lat. furfur, bran), scurfy.
F uscous (Lat. fuscus, dark), of a dingy-brown colour.
F usiform (Lat. fusiis, a spindle, fcrrma, shape), long and tapering towards
each end—F usoid.
Geminate (Lat. gemini, twins), in pairs.
Gbniodlatb (Lat. genu, the knee), bent like the knee.
Gib b e r , Gibbous (Lat. gibhus, a hump), with hump-like swellings.
Glabrous (Lat. glaber, without hair), with a hairless surface.
Glaucous (Gr. glaukos, bluish-grey), sea-green or greyish-blue like the
bloom on a plum or cabbage.
Glebulose (Lat. gleba, a clod), with rounded elevations on the thallus.
Glomerules (Lat. glomus, a ball), a minute ball-like cluster — Glo-
MERULATB.
Glypholkoinb (Gr. glyphe, carviDg, lekis, a dish), with wavy or labyrinthine
fruits as in the genus Glypholecia.
Gonidimium, an algal-cell of small size such as occurs in the hymenium of
some Fyrenocarpei.
Gonidium (Gr. gonos, offspring), a green algal cell (Chlorophycece), constituent
of the lichen thallus.
Gonimium (Gr. gonimos, productive), a blue-green algal cell (Cyanophyceæ),
constituent of the lichen thallus.
Granulate, Granular, Granulose (Lat. granum, a grain), consisting of
minute particles.
Griseous (Lat.), grey.
Güttæ (Lat. gutta, a drop), oil-drops in spore cells—Guttulate, cf.
nucleolate.
Gyalectoid, applied to urceolate waxy apothecia, resembling those of the
genus Gyalecta.
Gymnotbbmoid (Gr. gumnos, naked, trema, a hole, eiclos, like), with a bare
open spot or space.
G y r o s e (Lat. from Gr. guros, round), curved backward and forward i n turn.
H alonate (Gr. halos, the disk of the sun, halo), surrounded by an outer
circle.
H aplogonidia (Gr. haploos, single), gonidia occurring singly.
H aplogonimia (Gr. haploos, single), gonimia occurring singly.
H bterombbous (Gr. heteros, other, meros, a part), fungal and algal constituents
in definite strata in the thallus.
H is p id (Lat., bristly), beset with rough hairs or bristles.
H omobombbous (Gr. homoios, like, meros, a part), fungal and algal constituents
more or less mixed iu the thallus.
H obmogonimium (Gr. hormos, a necklace), gonimia arranged in chains as
in Nostoc, cf. moniliform.
H ymenium (Gr. humen, a membrane), the layer of tissue in the apothecium,
consisting of asci and paraphyses, cf. thecium.
H ypha (Gr. hyphe, a web), a fungal filament.
H ypophloeodal (Gr. hypo, under, phloios, bark), applied to thallus when
growing within the bark.
H ypothallus (Gr. hypo, under, thallus, a sprout), the undergrowth of
thalline hyphæ visible at the edge of the thallus.
H ypothecium (Gr. hijpo, under, theke, a case), the layer below the thecium
or hymenium.
I mbricate (Lat. imbricatus, covered with tiles), overlapping like the tiles
on a roof.
Impressed (Lat. inipressus, pressed into), marked with slight depressions.
I ncised (Lat., cut into), cut sharply into the margin.
I ncrassate (Lat. incrassatus, thickened), stout or thickened.
I ndeterminate, without a definite outline, cf. effuse.
I neundibulieobm (Lat. infundibulum, a funnel), shaped like a funnel.
I nfúscate (Lat. infusco, to make dusky), of a brownish colour.
I nnate (Lat. innatus, born in), embedded in the thallus.
I nsoulpt (Lat. insculptus, engraved), cut into, forming holes or depressions.
Inspersed (Lat. inspersus, spread about), interpenetrated with granules.
I ntricate (Lat.), entangled.
I sabellinb, ‘ ‘ Isabella ’ ’ colour, a dirty-tavmy tint.
IsiDiiFBBOUs (Lat. fero, to bear), thallus hearing isidia, q.v.