NAMES AND TERMS. 
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POLYSTICHUM ACULEATUM — • 
polys — many ; stichos — G., order (from the numerous 
orderly sori). 
aculeaium — L. , prickly. 
— angulare — L., angular. 
—lonchitis — L,. a spleenwort. 
Pteris aquilina — 
Pteris — G., a fern, from pteron — G., a feather. 
aquilina — L., eagle-like. 
Scolopendrium, from Scolopendra y the scientific name of a 
centipede. 
Woods i a Ilvensis — 
fVoodsia, Latinized from the name J. Woods. 
Ilvensis — L., Elban, from the island Ilva, Elva or Elba. 
acrogenous, — growing chiefly from the extremity. 
acuminate , — extended into on acute terminal angle. 
appressed, — 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 caudices ), — 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. 
