Polypodium lingua, Swartz. Lf.- blades 4-8 in. long, 1-2 in. wide, the apex often cuspidate, the base narrowed or rounded; upper surface naked, the lower matted with reddish brown cottony scales, the sori in close rows of 4—6 each. Japan to Ceylon.—This species and the next are often more properly listed in the genus Cyclophorus. There are a few crested and other horticultural forms.