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Sporangia smal], very abundant, form- 
ing a copiously branched panicle’ quite 
distinct from the leafy part of the frond ; 
fronds pinnate or bi-tripinnatifid; veins 
free, Genus XLIX.—Anemia Sw. 
Sporangia solitary (or in pairs) in the 
axils of large overlapping clasping involu- 
cres, which form spikes either on separate 
pinne or in lax rows along the edge of the 
leafy ones. Fronds scandent; pinne in 
pairs (conjugate), palmate lobed, pinnati- 
fid or pinnate, veins forked free. 
Genus L.—Lygodium Sw. 
SUB-ORDER V.—MARATTIACE 
Sporangia opening by a slit down one 
side or a pore at the apex without a ring, 
usually joined together in concrete. 
masses (synangia), vernation circinate. 
Sporangia opening by a slit- down the 
side, sessile, very close to one another but 
not concrete, arranged in linear oblong or 
boat-shaped sori near the edge of the frond, 
veins simple or forked, free ; fronds very 
large, bipinnate, often only pinnate. 
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