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Aspidium (Supplement)
This cosmopolitan genus embraces about sixty species. To the information given on pp. 125-7, Vol. I., the following should now be added:
A. cristatum (crested). A synonym of Nephrodium cristatum.
A. polyblepharum (many-fringed). A synonym of A. angulare.
A. triangulare laxum (loose). fronds long and very narrow, somewhat drooping. SYN. Polystichum xiphioides.