The outline of the fronds is lanceolate, and they taper very decidedly towards the base as well as at the tip.
The second glume is lanceolate, acute, as long as the first, 3-nerved.
The leaves are alternate, lanceolate, with a silvery surface; and the flowers are small, green and unisexual.
Palea canary yellow to light-brown, lanceolate with Fig. 60.
Intermediate in shape between linear and lanceolate; narrowly lanceolate.
Fronds smooth, two to ten inches long, lanceolate, bipinnate.
The leaves are lanceolate, tapering at each end, serrated throughout, and very glabrous.
Cells erect, open in front, perforated on the sides and bottom; a lanceolate appendage articulated to each upper angle.
Valve ovate-lanceolate to lanceolate; apices obtuse, not produced.
In Napaeozapus the tip is lanceolate, the base is narrow, and in lateral view the shaft is slender and curved (see figs. 22-31).