178 
NAMES AND TEEMS. 
decumbent , — reclining upon the earth and rising again from it. 
decurrent , — prolonged beyond the point of insertion as if 
running downwards. 
deflected (dflexed), — bent downwards. 
deltoid, — triangular, like the Greek letter D — delta. 
dentate, — toothed. 
dicotyledonous, — having two cotyledons. 
distichous, — in two rows. 
dorsal, — placed upon 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 (plurul 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. 
la?iceolate, — lance-shaped. 
linear, — lying in lines ; also narrow, with parallel margins. 
lobes, — the divisons or segments of a leaf ; lobules, smaller lobes - 
lunate, — crescent-shaped. 
monocotyledonous, — having only one cotyledon. 
mucronate, —- abruptly terminating in a hard short spine. 
mucrotiulate, — not so distinct a spine. 
nodule , — a knot. 
