FERNALD. — CARICES OF SECTION HYPARRHENAE. 477 
Var. ferruginea. — Figs. 45, 46. — Slender: the 3 to 5 irregularly 
clustered spikelets tawny or ferrugineous from the first: perigynia ovate, 4 
to 5 mm. long, 2.3 to 2.8 mm. broad : scales lance-ovate, mostly awnless. — 
C. foenea, var. B, Boott, 1. c. 118, t. 876. ©. foenea, var.? ferruginea, 
Gray, Man. ed. 5,580. ©. tenera, var. swberecta, Olney, Exsicc. fase. ii. - 
no. 16. C. straminea, var. ferruginea, Bailey, Bull. Torr. Cl. xx. 421.— 
Onto to MicuiGan, ILtinots, and Iowa. 
O O Sheath with a thin barely nerved or nerveless pale band extending down 
m the membranaceous auricle: perigynia spreading-ascending: achenes 
suborbicular. 
16. C. restucacera, Schkuhr. — Figs. 47, 48. — Culms stiff, 0.5 to 
1 m. high: leaves stiff, erect, shorter than the culms, 2 to 4 mm. wide: 
spike narrowly oblong, rarely ovoid, of 5 to 10 distinet or rarely approx- 
imate subglobose or broadly ovoid-conic yellow-brown or green-brown as- 
cending spikelets 7 to 12 mm. long: perigynia broad-ovate to suborbicular, 
to 5.5 mm. long, 2.7 to 3.5 mm. broad, strongly 7- to 15-nerved on the 
outer, nerveless or faintly nerved on the inner face: scales blunt. — 
Schkuhr in Willd. Sp. iv. 242, & Riedgr. Nachtr. 23, t. Www. fig. 173 ; 
Dewey, Am. Jour. Sci. viii. 96; Schwein. & Torr. 1. c. 316; Torr. 1. ¢. 
394; Carey, 1. c. 545; Britton, 1. c. 359, in part. C\. straminea, var. 
festucacea, Tuck. 1. c. 9, 18; Boott, 1. c. 120, t. 3886; Macoun, 1. c. 132; 
Bailey, Mem. Torr. Cl. vy. 94, in part ; Howe,l.c. ©. straminea, Bailey, 
Proc. Am. Acad. xxii. 149, in part, not Willd. ©. straminea, var. 
brevior, Bailey, Mem. Torr. Cl. i. 22, in part, not Dewey. — Dry or 
rocky soil, Maine to ManrroBa and PennsyLvANIA. June—Aug. 
Var. brevior. — Figs. 49 to 51. — Lower (rarely more than 0.6 m. 
high), and more slender: spikelets 3 to 6, approximate or subapproxi- 
mate.— QO. straminea, Schkuhr, Riedg. Nachtr. 23, t. Xxx, fig. 174; 
Schwein. & Torr. l. c. 314; Carey, 1. c. 546; Torr. 1. c. 395; Boott, 
1]. c, 121, t. 8387; Bailey, Proc. Am. Acad. xxii, 149, in part; not Willd. 
in Schkubr, Riedgr. 49, t. G. fig. 34, & in herb. C. straminea, var. 
brevior, Dewey, Am. Jour. Sci. xi. 158; Bailey, Mem. Torr. Cl. i. 22, 
in part, & in Gray, Man. ed. 6, 622; Howe, l.c. ©. straminea, var. 
Schkuhrii, Gay, Ann. Sci. Nat. ser. 2, x. 363; Tuck. l. c. 8, 17. @. 
straminea, var. typica, Gray, Man. ed. 5, 580; Macoun, 1. c. 131. 0. 
festucacea, Britton, 1. c. 359, in part (including fig. 871), not Schkuhr.— 
Commoner than the species, extending to Bririsn CoLuMBIA, ARKAN- 
Sas, &. May-July. 
