490 PROCEEDINGS OF THE AMERICAN ACADEMY. 
Evrore. June-Aug. On alpine summits becoming more rigid and 
browner than in sheltered situations. 
++ ++ Perigynia 4 to 5.5 mm. long, distinctly less than half as broad. 
= Leaves very narrow (1 to 2.5 mm. broad): spikelets lanceolate: perigynia 
: 1 ide. 
wide 
33. C. promorpes, Schkuhr. — Figs. 125, 126. — Very slender and 
lax, green, scarcely glaucous, the culms 3 to 8 dm. long, mostly exceed- 
ing the soft flat leaves: spike loosely subcylindric, 2 to 5.5 em. long, of 
2 to 6 approximate or slightly scattered spikelets 0.5 to 2 em. long: beak 
of the perigynium one-half to two-thirds as long as the strongly nerved 
body, slightly exceeding the oblong pointed scale. — Riedgr. Nachtrag- 
8, t. Xxx, fig. 176; Willd. Sp. iv. 258; Schwein. & Torr. Ann. Lye. 
N. Y. i. 300; Torr. 1. c. 891; Carey in Gray, Man. 539 ; Chapm. Fi. 
533; Boott, 1. ¢. ii. 82, t. 227; Bailey, Proc. Am. Acad. xxii. 146; 
Macoun, 1. c. 114; Britton, l. c. 354, fig. 857; Howe, 1. c. 47. — Rich 
low woods and swamps, Nova Scorta, southern New Brunswick and 
central Marne to western ONTARIO and MicHican, south to FLORIDA 
and Louisiana.’ May-July. 
= = Leaves broader (2 to 5 mm. broad) : spikelets ovoid: perigynia 1.6 to 
1.9 mm. wi 
34. C. Dewerana, Schweinitz. — Figs. 127, 128. — Very lax, glau- 
cous, the culms 2 to 12 dm. long, much exceeding the soft, flat leaves: 
spike flecuous, 2 to 6 cm. long, of 2 to 5 (in very luxuriant individuals 
rarely 6 or 7) 3- to 12-flowered spikelets 5 to 12 mm. long, the upper sub- 
approximate or scattered, the lowest very remote, usually subtended by an 
elongate slender bract : beak about one-half as long as the obscurely nerved 
or nerveless body of the perigynium, somewhat exceeding the ovate acum 
nate or short-cuspidate pale scale. — Ann. Lyc. N. Y.i. 65; Dewey, A™- 
Jour. Sci. ix. 62, t. 3, fig. 11; Schwein. & Torr. 1. c. 310; Torr. ], ©. 
392; Carey, l. c. 544; Boott, l. c. i. 27, t. 70; W. Boott in Wats. Bot. 
Calif. ii, 236; Bailey in Coulter, Man. Rocky Mt. Reg. 394, & Proc. 
Am. Acad. xxii. 146; Macoun, 1. c. 124; Britton, I. ¢. fig. 856; Howe, 
lc. 86. ©. remota, Richards. in Frankl. 1st Journ. ed. 2, App. 35, ac¢- 
to Boott, not L.—Rich open woods and banks, Nova Scotia and 
Br ior ee aaa 
1 Californian and other northwestern specimens referred here seem much better 
placed with the stouter broader-leaved C. Bolanderi, Olney. 
