Eriophorum Vaginatum Linnaeus, p. 166
 37 Eriophorum Vaginatum Linnaeus
Syn. E. cespitosum, Ph.
Spike single at the top of the culm, oblong=ovate; scales scarious long pointed, lead-colored at maturity; bristles numerous long, not crisped, forming dense cotton like heads, when in fruit; root-leaves long and thread form, triangular-channelled; involucre none. Culms 1 to 2 feet hish, leafy only at the base, furnished with two inflated leafless sheaths.
Cranberry marshes. Near Muskego Lake in Wisconsin; also in Michigan
Plate I fig 13-a the spike [b a flower] b, the scale, [d the section of] c the achenium.
Extends east to N. England; a native of Europe.
Eriophorum Virginicum Linnaeus, p. 167
39. Eriophorum Virginicum Linnaeus
Leaves flat very long narrowly linear; spikes clustered erect, nearly sessile, involucre 2 to 3 leaved; bristles rusty colored only thrice the length of the scale;-forming dense cotton like heads; stamen one. Culm 2 to 4 feet high, rigid, nearly terete below, obtusely triangular above. Flowers in May.
Cranberry marshes &c througout Wisconsin. Found also in Ohio, Michigan, and about Lake Superior. Extends to the southern states.
Plat I fig 15-a the flower; b, the scale, c. the achenium.
Eriophorum Polystachion Linnaeus, p. 168
 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.
Eriophorum Gracile Koch, p. 169
41. Eriophorum Gracile Koch
Syn. E. triguetrum Hoppe. E. angustifolium Torr. not of Roth.
Leaves slender, channelled-triangular, rough on the angles; involucre short and scale-like, mostly 1-leaved; peduncles rough or roughish-pubescent; achenium elliptical-linear. Culms 1 to 2 feet high, rather triangular. Spikes small, 3 to 7, the copious white bristles half to three fourths of an inch long.
Wet bogs &c Marquette county Wisconsin, (Mr. Townley); also in Illinois &c & about Lake Superior.
Plate VI. Upper part of the plant, natural size Fig 1- a flower; 2, achenium; 3, the scale; 4 anther; 5-stigmas
Extends east to N. England; a native also of Europe.
Genus IX Fimbristylis Vahl, p. 170
Genus IX Fimbristylis Vahl
(Latin fimbria, a fringe, and stylus a style)
Spikes many-flowered; scales imbricated on all sides; perianth none; stamens 1 to 3; style 2 or 3 cleft, [of] with a thickened or bulb like base, but wholly deciduous; achenium [naked] lenticular or triangular, naked;-Culms leafy, compressed or triangular, cespitoe.