* 
484 PROCEEDINGS OF THE AMERICAN ACADEMY, 
(Geo. Thurber); Connecticut, without locality (Chas. Wright) ; South- 
ington, June 5, 1898 (C. H. Bissell) ; Waterford, May 29, 1889 (C. B. 
Graves): OREGON, without locality, 1871 (#. Hall, no. 582): Car 
FORNIA, bogs along Strawberry Creek, El Dorado Co., alt. 1,815 m., 
July 18, 1897 (#. Brainerd, no. 160 [type]) ; Big Trees, Calaveras 
Co. (Bolander, no. 2324); Santa Rosa (J. M. Bigelow); Bluff Lake, 
San Bernardino Mts., alt. 2,280 m., June, 1895 (S. B. Parish, no. 
3702). 
Var. excelsior. — Fig. 90, 91. — Tail and slender, 0.3 to 1 m. 
high: spike 3 to 5.5 cm. long; spikelets 3 to 9, distinct, only the lower- 
most remote, 12- to 20-flowered, at first oblong-cylindric, with the 
perigynia ascending, later subglobose, with strongly reflexed perigynia 
one-third longer than the scales. — CO. sterilis 8, Boott, Ill. i. 56, t. 
146.* (C. sterilis, var. excelsior, Bailey, Bull. Torr. Cl. xx. 424; Howe, 
1, c. — NewrounDLAnD to Micuiean and NortH Carona. 
Var. CEPHALANTHA, Bailey.— Figs. 92 to 94.— The coarsest form, 
3 to 7 dm. high: leaves 2 to 4 mm. broad: spike cylindric or slightly 
moniliform, 3 to 7.5 em. long ; the 4 to 8 broad-oblong spikelets approxi- 
mate or slightly remote (rarely 1 cm. apart), 15- to 40-flowered: 
perigynia ovate, one-half as broad as long, wide-spreading or reflexed. — 
Mem. Torr. Cl. i. 58, & in Gray, Man. ed. 6, 618. C. sterilis, Boott, 
Ill. i. 55, t. 146. C. sterilis, var. cephalantha, Bailey, Bull. Torr. Cl. 
xx. 425; Britton, 1. ¢.; Howe, 1. c. 39. ©. sterilis, var. aequidistans, 
Peck in Howe, |. c. — NrwrounpLanp to Nortn Caro.uina, MIcHI- 
GAN, and Britis CoLumBra. 
Var. ANGUSTATA, Bailey. — Figs. 95 to 97. — Extremely slender or 
almost setaceous, 1 or 2 dm. high (in shade often taller): leaves 0.5 to 
1.5 mm. wide: spike 0.75 to 2.5 em. long ; the 6 or fewer 8- to 15-flow- 
ered spikelets approximate (or slightly remote in shade): the divaricate 
perigynia lance-ovate or lanceolate, 2.5 to 3 mm. long, twice exceed- 
ing the scales. — Mem. Torr. Cl. i. 59, & in Gray, Man. ed. 6, 618. C- 
stellulata, var. angustata, Carey in Gray, Man. 544. . sterilis, var. 
angustata, Bailey, Bull. Torr. Cl. xx. 425 ; Howe, 1. c. — Nova Scotia 
to Connecticut, Lake St. John, Quesec, ILuinors, and MicHIGAN. 
++ ++ Perigynia about .70 as broad as long, the beak short, one-fourth to 
one-half as long as the body. 
= Tall: leaves 2.5 to 4.5 mm. broad: perigynia 2 to 3 mm. broad: scales 
sharp-pointed. 
27. C. steriiis, Willd. — Figs. 98 to 100. — Coarse, 1 m. or less 
high : leaves flat, shorter than or equalling the culms: spike 1.5 to 3.5 
