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354 
crenulate : finely crenate ; that is, divided 
into little crenels or convex teeth. 
crinite: hair-scaly; having long weak 
hair-like scales. 
cristate : crested ; bearing a tuft or crest of 
curly segments. 
cucullate : hooded, or hollowed out to re- 
semble a hood. 
cuneate : wedge-shaped, inversely narrow- 
triangular, or narrowed downwards 
from a broad base. 
davallioid: having a resemblance to Da- 
vallia. 
decompound : consisting of many parts; 
applied to quadripinnate and other 
very much divided fronds. 
decumbent : spreading, reclining, or having 
a horizontal direction, with a tendency 
to ascend at the point. 
decurrent : prolonged down the axis below 
the part where attached, 
deflexed : bent downwards. 
deltoid: triangular in outline, like the 
Greek delta. 
dentate: notched in a scolloped manner 
forming acute teeth, with concave 
interspaces. 
denticulate : having fine or small teeth. 
depauperated : impoverished ; applied to an 
imperfect or contracted development. 
dichotomous : a two-forked mode of ramifi- 
cation. 1 
dimidiate: halved or one-sided ; applied 
when one half of the organ seems to be 
suppressed, or very much reduced. 
dimorphous: oftwo forms ; usually applied | 
to ferns in which the sterile and fertile | 
fronds have a distinct character. 
diplazioid : having a resemblance to Di- 
plazium. 
distichous : two-ranked ; arranged in two 
; opposite rows. 
divaricate : spread out at a wide angle. 
dorsal : growing from the back ; applied to 
ferns in which the sori are borne on the 
back of the frond. 
dorsiferous : bearing sori behind, or on 
the under surface. 
ebeneous : smooth, black, ebony-like. 
echinate : spiny, like a hedgehog. 
endogenous ; growing internally, or by ac- 
cretion from within. 
epidermal : of, or belonging to the epider- 
mis or skiu. 
epiphytal : growing on other plants. 
erose: irregularly notched at the margin, 
as if nibbled or bitten. 
exannulate : ringless; applied to those ferns 
in whieh the spore-cases have no ring. 
excurrent: running out or projected out- 
wards. 

GLOSSARY OF TECHNICAL WORDS. 
exogenous: growing externally, or by acere- 
tion from without. 
extrorse-marginal : turned or directed out- 
wards from the margin. 
falcate : sickle-shaped. 
Jfarinose: having a mealy surface. 
fascicle: a bundle or collection of any 
organs, growing from a common point. 
ferrugmous : rusty or rust-coloured. 
fimbriate: fringed at the margin with 
. longish narrow fringe-like processes. 
flabellate: fan-shaped, spread out flat like 
a fan, 
flexuous : wavy or zig-zag in direction. 
fornicate : arched or vaulted over. 
free: distinct; applied to veins that are 
not united at their apices. 
frond: the whole of the leaf-like develop- 
ment from the stem, including stipes 
(stalk) and lamina (leafy part). 
fugacious : perishing rapidly. 
fusiform : spindle-shaped ; tapering to each 
end. 
glandular: bearing glands. 
glomerate: collected into a close head or 
heads. 
grammitoid : resembling the genus Gram- 
mitis. 
granulate : having a rough surface as if 
strewed with little granules. 
gymnogrammoid : resembling the genus 
Gymnogramma. 
gyrate; same as circinate. 
hamate: hooked or curved at the end. 
hastate: halberd-shaped ; furnished at the 
base with two divergent lobes. 
hemitelioid : having a resemblance to He- 
mitelia. 
hippocrepiform : shaped like a horse-shoe. 
imbricate: overlapping like the tiles of a roof. 
immersed : sunk in a depression of the 
surface, 
impari-pinnate: pinnate, but having an 
odd or single leaflet at the end. 
indusiate: furnished with an indusium. 
indusiform: indusium-like; usually ap- 
plied to the attenuated margin of the 
frond, when it becomes membranaceous 
and recurved. 
indusium : the membrane which in some 
ferns lies over or covers the sorus while 
young. 
intramarginal : placed within the margin. 
involucrate : having an involucre. 
involucre: an investing membrane lying be- 
neath instead of over the spore-cases. 
keeled : having a prominent ridge, like the 
Keel of a boat. 

