203. Carex Trichocarpa Muhl. Hairy-Fruited Sedge

Fig. 1070

Carex trichocarpa Muhl.; Willd. Sp. PI. 4: 302. 1805. Carex trichocarpa var. turbinata Dewey, Am. Journ. Sci. 11:

159. 1826. Carex laeviconica Dewey, Am. Journ. Sci. 24: 47. 1857. Carex trichocarpa var. imberbis A. Gray, Man. Ed. 5, 597. ~ 1867.

Carex trichocarpa var. Deweyi Bailey, Coult. Bot. Gaz. 10: 293. 1885.

Culm usually stout and tall, 2°-4° high, smooth below, very rough above. Leaves elongated, glabrous, rough-margined, 1 1/2"-3" wide, the upper ones and the similar bracts commonly overtopping the culm; staminate spikes 2-6, long-stalked; pistillate spikes 2-4, cylindric, densely flowered except at the base, 1'-4' long, 5"-8" in diameter, the upper sessile or nearly so and erect, the lower slender-stalked; perigynia ovoid, pubescent or glabrous, prominently many-ribbed, 4" - 5' long, 1 1/2"-2" in diameter, tapering gradually into the stout conspicuously 2-toothed beak, the teeth erect or somewhat spreading, 1" long; scales hyaline, acute to aristate, about one-half as long as the perigynia; stigmas 3.

In marshes and wet meadows, Quebec and Vermont to Oregon, south to Georgia, Missouri and Kansas. June-Aug.

203 Carex Trichocarpa Muhl Hairy Fruited Sedge 1070

204. Carex Atherodes Spreng. Awned Sedge.

Fig. 1071

Carex aristata R. Br. Frank. Journ. 751. 1823. Not Houck. 1792. Carex atherodes Spreng. Syst. Veg. 3: 828. 1826. Carex trichocarpa var. aristata Bailey, Coult. Bot. Gaz.

10: 294. 1885.

Culms stout, erect, smooth, or roughish above, sharp-angled, 2°-5° tall. Leaves elongated, 2 1/2"-6" wide, more or less scabrous, often pubescent beneath and on the sheaths; bracts similar, the lower often overtopping the culm; staminate spikes as in the preceding species; pistillate spikes 3-5, remote, cylindric, sessile or the lower short-stalked, loosely flowered at the base, dense above, 1 1/2'-4' long, sometimes 8" in diameter; perigynia ascending, lanceolate or ovoid-lanceolate, glabrous, conspicuously many-ribbed, 4"-6" long, gradually tapering into the conspicuously 2-toothed beak, the teeth widely spreading, l"-2' long; scales oblong-lanceolate, strongly rough-awned, thin-margined, one-half to two-thirds as long as the perigynia; stigmas 3.

In bogs, Ontario to British Columbia, south to New York, Missouri, Kansas, Utah and Oregon. Also in Europe and Asia. June-Aug.

204 Carex Atherodes Spreng Awned Sedge 1071204 Carex Atherodes Spreng Awned Sedge 1072

205. Carex Hirta L. Hairy Or Hammer Sedge

Fig. 1072

Carex hirta L. Sp. PI. 975. 1753-

Rootstocks extensively creeping, culms rather slender, erect, nearly smooth, 6'-2° tall. Leaves flat, pubescent, especially on the sheaths, rough, 1"-2 1/2" wide, the basal ones much elongated, often exceeding the culm, the upper and the similar bracts shorter; staminate spikes 2 or 3, stalked, their scales ciliate; pistillate spikes 2 or 3, widely separate, erect, oblong-cylindric, 7"-18" long, 3"-4" in diameter, rather loosely 10-many-flowered; perigynia oblong-ovoid, green, ascending, densely pubescent, 1 1/4" in diameter, 2 1/2-4" long, few-ribbed, tapering into a stout prominently 2-toothed beak, the teeth often as long as the beak; scales membranous, lanceolate, aristate, 3-nerved, somewhat shorter than the perigynia; stigmas 3.

In fields and waste places, Massachusetts to New York, New Jersey and Pennsylvania. Locally naturalized or ad-ventive from Europe. Carnation- or Goose-grass. June-Sept.