* 
_ Arthromeris, arthron, joint, meris, parts; the pinne arti- ` 
` Aspidinm, aspidos ; the indusium being like a buckler or ` ` 
410 ETYMOLOGY. 
Allantodia, allantos, a sausage ; indusium like a sausage, 
. Allosorus, allo, a heap, and sorus, in allusion to the crowded 
sori. 
Alsophila, alsos, grove, phileo, to love; grows in groves 
and shady places. 
Amphiblestra, a word meaning the fronds are reticulated. 
Amphidesmium, amphi, around, or on both sides, desmos, a 
band; relating to the position of the sori to one 
another, : 
Anapeltis, ano, without, pelfis, shield ; the sori naked, in 
opposition to Pleopeltis, 
Anchistea, agnati, kindred ; intermediate between Wood. 
wardia and Doodia. 
Anemia, aneimon, naked ; naked spikes of fructification. 
Anemidictyon, veins reticulated ; not free as in Anemia. 
Anetium, probably from the Greek anaitos, guiltless. This 
is perhaps meant to indicate that A. citrifolium has 
been put wrongfully to Acrostichum. 
Angiopteris, angio, open, pteris; the open sporangia. 
Antigramma, anti, opposite, gramma, a line; the linear 
_ Sori being in pairs opposite to each other. SE 
Antrophyum, antrum, a den or hollow; the receptacles of — 
. . Sporangia being in a groove or channel. i 
Arthrobotrya, arthron, joint, botrys, bunch ; the segments 
articulate with the rachis, thus differing from Poly- 
botrya, 
culate with the rachis, | 1 
Arthropteris, arthron, joint, pteris; the frond and pinne | 
being articulate, 
. Shield. 
