FERNALD. — CARICES OF SECTION HYPARRHENAE. 471 
plains, Aug. 1, 1872 (/. Macoun): Britisn Cotumpra, Nelson, Koote- 
nay Lake, July 3, 1890 (J. Macoun, Herb. Geol. Surv. Can., no. 30, 
393): Maine, St. Francis, Aug. 9, 1893, Sherman, Aug. 23, 1897 
(M. L. Fernald): New Hampsuire, Randolph, Aug. 2, 1897 (EB. F. 
Williams) ; Mt. Washington, July 28, 1861 (Wm. Boott); Mt. Pleas- 
ant House, July 31, 1897 (W. Deane): Vermont, Burlington, July 
13, 1896 (#. Brainerd): Micutean, Keweenaw Co., Aug., 1890 (0. 
A. Farwell). 
6. Tips of perigynia mostly equalled by the ovate blunt or acutish scales : plant 
tall, forming loose stools. 
6. C. oronensis. — Figs. 15, 16.— Culms fall and erect, 0.5 to 1 m. 
high, sharply angled and harsh above: leaves smooth, 2.5 to 4 mm. 
broad, much shorter than the culms: spike oblong-cylindric, erect, of 3 to 
9 ascending dark brown rhomboid-ovoid pointed spikelets 0.5 to 1 cm. 
long: scales mostly glossy brown, with pale scarious margins : perigynia 
appressed, about 4 mm. long, 1.3 mm. broad, very narrowly winged above. 
— Dry fields, thickets, open woods, and gravelly banks. Marne, Orono, 
about 1870 (F. Lamson-Scribner), June 28, 1890, June 30, 1891, July 
3, 1897 (M. L. Fernald). 
= Perigynia 1.5 to to 2 mm. broad, ovate-lanceolate, 4.5 to 6.5 
(average 5) mm. long. 
7. C. praticota, Rydberg. — Figs. 17, 18.— Culms smooth and 
slender, 3 to 6 dm. high, overtopping the smoothish flat (2 to 3.5 mm. 
broad) leaves; spike slender, Jlexuous, moniliform, the 3 to 7 silvery 
brown mostly remote pointed spikelets few-flowered, 7 to 1.7 mm. long, 
mostly long-clavate at base ; perigynia nerveless or minutely short-nerved 
on the inner face, equalling the ovate-lanceolate acutish or blunt scales. 
— Mem. N. Y. Bot. Gard. i. 84; Britton, Man. 226. (©. pratensis, 
Drejer, Rev. Crit. Car. Bor. 24; Fl. Dan. xiv. 8, t. 2368; Bailey, 
Proce. Am. Acad. xxii. 147; Britton, in Britt. & Brown, 1. ec. 354, fig. 
858; not Hose. C. adusta, var. minor, Boott in Hook. FI. Bor.-Am. ii. 
215, & Ill. iii, 119, t. 383. ©. Liddoni, in part, of authors, not Boott. 
— Open woods, clearings, and prairies, LaBRapoR to SASKATCHEWAN 
and Britisn Cotumsta, south to Nova Scotia, Aroostook County, 
Marne, Lake Superior, and NortH Dakota; also in GREENLAND. 
June-Aug. 
