Box 15, Folder 11: Grass like Plants of Wisconsin, 1855

167 Carex Tuckermani, Boott

Syn. C. cylindracea Schw. C. bullata Prush (not of Schk)

Sterile spikes 2 or 3, long, slender, the lower one small, sessile; fertile 2 or commonly 3, oblong or cylindrical, stout, on rough stalks; perigynia thin and transparent, much inflated, oblong-ovoid obliquely erect, tapering into a rather abrupt, long-cylindrical smooth beak, much longer and broader than the ovate pointed or rough awned male; bracts & leaves very long, exceeding the culm. Culm about 2 feet high. Wet shady places.

Wisconsin, Illinois, Southern Indiana, Ohio, Michigan, and about Lake Superior. Extends north to the arctic regions.

168 Carex oligosperma, Michaux.

Syn. C. Oakesiana Dew.

Sterile spike 1 to 3 slender; fertile 1 or 2 short, ovoid, few flowered; perigynia ovoid, tapering into a short minutely toothed beak, not much longer than the ovate awnless scale; leaves and bracts linear, at length involute; culm very slender, one to three feet high. Flowers in May. Cranberry marshes.

Wisconsin, Michigan, & about Lake Superior. Extends northward to the Arctic regions.

169 Carex longirostris, Torrey

Syn. C. Sprengelii, Dew.

Sterile spikes three at the summit of a long slender stalk, the lower often with a few fertile flowers; fertile spikes 2 or 3 cylindrical, more or less distant on long, filiform, at length drooping stalks, loosely flowered; perigynia globose-ovoid, with an abrupt long and narrow beak, a little longer than the lanceolate scale. Culms 2 feet high; flowers in May. Shady rocks

On the Blue Mounds, Wisconsin; Illinois, & Michigan. Extends north to the Arctic regions and east to N. England.

Genus I Cyperus, Linnaeus.

(From the Greek name kypeiros)

Spikes aggregated into a simple or compound head terminal heads or umbels; scales two-ranked; stamens 1 to 3; perianth none; styles 2 or 3-cleft; achenium lenticular or triangular, naked at the apex. -- Culms cespitose, simple, leafy at the base; rays of the umbels unequal, sheathed at the base.

[ ] 1. Styles 2-cleft, achenium flattened

1. Cyperus flavescens, Linnaeus.

Stamens 3; spike linear, rather obtuse, 14 to 30 flowers, clustered at the end of the 2 to 4 very short rays; scales obtuse, one nerved, straw-yellow; achenium minutely cross-wrinkled, nearly orbicular, shining. -- Involucre 3-leaved very unequal. Culms 4 to 10 inches high. Flowers in August.

Low boggy places in Illinois, Indiana, Ohio and Michigan;

Extends south to Florida; a native also of Europe.