Marsh Arrow-Grass (Triglochin Palusire, L.)

The habitat of this plant is marshes. Marsh Arrow-grass has the grass habit. The plant is stoloniferous. The stem is swollen below. The leaves are slender, half-round in section, limp, faintly channelled above. The scape is slender. The flowers are in a long raceme, lengthening after flowering, on short stalks. The perianth is purple-bordered. The anthers are purple. The fruit is club-shaped, linear, angular, appressed to the scape, the 3 combined carpels attached to the 3-sided axis by a point, round at the back, slender, long, narrow below, or arrow-shaped in fruit (hence Triglochin). The plant is 6-12 in. high, flowering between June and August, and is a herbaceous perennial.

Marsh Scheuchzeria (Scheuchzeria Palustris, L.)

The habitat of this plant is bogs, sphagnum bogs, and marshes. The plant has the grass habit. The rootstock is long, creeping, slender, clothed with the old leaf-stalks. The leaves are half-round in section, in two rows, few, alternate, blunt, with a small pore on the upper side of the tip. The sheaths are swollen, brown. The flowers are few, 5, greenish, borne on a stout, curved scape, in a terminal, loose raceme, the flower-stalks lengthening in fruit. The perianth-segments are linear to oblong. There are 3 capsules, which are swollen, and large in proportion to the size of the plant. The plant is 6-8 in. high, flowering in July and August, and is a herbaceous perennial.