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g o WO O D S IA .
Woodsia jierriniana, Ilooher.
“ incisa, Oillies.
Sir W . J . Ho o k e r, in his “ Species F ilicum,” enumerates—
Woodsia mollis, J . Smith. Alexlco.
“ guatcmalensis, Hooher. Guatemala.
“ peruviana, Ilooher. P e ru .
“ cumingiana, Kunze. Chili.
“ caucasica, J. Smith. Caucasus.
“ elongata, Hooker. N o rth e rn India.
“ obtusa, Ilooher. N o rth America.
“ incisa, Gillies. Argentine llepublic.
“ ilvensis. Brown. England.
“ h yperbore a, Broicn. England.
“ o-labella, Broion. Subarctic America.
Sori globose, and covered with a soft membranaceous in d u sium,
more or less globose, covering the entire sorus, and
eventually opening at the top.
Fro n d s membranaceous, small, pinnate, bipinnate, or sub-
tripinnate.
Khizoma tufted.
Veins simple, forked, or pinnate, from a central costa; venules
free.
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