NAMES AND TERMS. 
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decumbent , — reclining npon the earth and rising again from it. 
decurrent , — prolonged beyond the point of insertion, as if 
running downwards. 
deflected ( d flexed ) r — bent downwards. 
deltoid , — triangular, like the Greek letter D — delta. 
dentate , — toothed. 
dicotyledonous, — having two cotyledons. 
distichous, — in two rows. 
dorsal, — placed npon the back. 
dorsiferous, — bearing on the back. 
echinate , — prickly, like a hedgehog. 
endogenous , — growing from within — increasing by internal 
growth. 
exogenous, — growing from without — by additions to the outer 
parts of the stem. 
fascicle, — a bundle, as of larch leaves growing from a common 
point. 
frond, — the combination of leaf and stem in ferns, &c. 
glaucous, — bloom-covered, like a plum or cabbage leaf. 
herbaceous , — herb-like. 
hippocrepiform, — horseshoe-shaped. 
indusium (plural indusia), — the membranous covering of the 
spore-cases. 
involucre, — a sort of calyx or ring enclosing an aggregate of 
flowers. 
involucriform , — divided at the margin into hair-like incurved 
segments. 
involute, — having the edges rolled in on each side. 
lanceolate, — lance-shaped. 
linear, — lying in lines ; also narrow, with parallel margins. 
lobes, — the divisions or segments of a leaf ; lobules, smaller lobes. 
lunate, — crescent-shaped. 
monocotyledonous , — having only one cotyledon. 
mucronate, — abruptly terminating in a hard short spine. 
mucronulate , — not so distinct a spine. 
nodule , — a knot. 
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