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NAMES AND TERMS. 
POLYSTICHUM ACULEATUM — 
polys — G. , many ; stickos — G. , order (from the numerous 
orderly sori). 
aculeatum — L. , prickly. 
— angulare — L. , angular. 
— lonchitis — Z., a spleen wort. 
Pteris aquilina — 
Pteris — G., a fern, from pteron — G., a feather. 
aquilina — L., eagle-like. 
Scolopendrium, from Scolopendra , the scientific name of a 
centipede. 
Woodsia Ilvensis — 
Woodsia , Latinized from the name J. Woods. 
Ilvensis — Z., Elban, from the island Ilya, Elva or Elba. 
acrogenous, — growing chiefly from the extremity. 
acuminate , — extended into an acute terminal angle. 
oppressed, - pressed close, lying near the stem. 
aristate , — bearded. 
articulated, — jointed, separating readily at the joint. 
auricle, — a small ear-like lobe. 
caudate , — with a tail ; ovate-caudate, an egg with a tail, like a 
tadpole. 
caudex (plural Candices'), — the root-stalk or stem. 
circinate, — rolled down, like a crozier-head. 
confluent, — running into or uniting with one another. 
cordate, — having lobes like the thick end of the heart in a pack 
of cards. 
cotyledons, — the seed-lobes, the first leaves in the rudimentary 
plant or embryo. 
crenate, — having the edges round-toothed. 
crenulate, — with smaller teeth. 
cruciform, — in the form of a cross. 
deciduous , — falling off, as the leaves of annuals. 
