Eriophorum Polystachion Linnaeus, p. 168

[39] 40. Eriophorum Polystachion Linnaeus

Leaves linear, flat, or barely channelled below, acutely triangular at the point; involucre 2 or 3 leaved; spikes 4 to 12 on [rough] nodding peduncles, some of them elongated in fruit; achenium obovate; bristles straight white, an inch or more long. Culms 1 to 2 feet high, obscurely triangulr. Flowers in June.

Tamarac swamps and wet meadows throughout Wisconsin; also in Illinois, Ohio, Michigan, and around Lake Superior. A native also of Europe.

Plate I fig 14-a the flower; b, achenium and bristles, c, the scale; d, section of the achenium.