106 POACEAE 
spikelets crowded toward the ends of the branches in A. perennans elata. 
1s bran Roe ib or be low the middle P Nervous Time 
Scribneriana Nash ]—Open Vien old fields, meadows, and moist soil, 
various provinces, Fla. to Tex., Minn., and Me. —(W. I., Mez., C. A., S. A.) 
59. S pu Se tall or robust erect peren- 
nials, with small spik in sometimes spike-like panicles. 
Spikelets 1-flowered, i ra chilla pce "pehi nd the palea as a short 
Ka bristle; glumes about equal, acute or acuminate; lemma shorter 
e glumes, usually more delicate, with a tuft of hairs at base, ee usually 
nr a awned from the back, usually below the middle, the awn (in our 
ecies) delicate and. straight: palea shorter than the Jim One hundred 
species, natives of temperate and cool regions.—REED BENT-GRASSES. 
Panicle rather open, usually nodding: ears 9-4 mm. long. » C. canadensis. 
Panicle contracted, strict: spikelets 6-7 mm. long. . C. cinnoides. 
1. C. canadensis (Michx.) Beauv. Stem 60-120 em. tall: panicle 10-20 em. 
long: piene: copious, about as long as the lemma: awn delicate, straight, 
attached just below the middle and extend- 
ing ag ‘slightly Na bd its tip.—(BLUE- 
JOINT GRASS.)— S, swamps, stream- 
ban ce nd wet places, Blue Ridge, N. C., 
and various provinces, N. J. to Calif., B. C., 
Ont., N. S., and News. 
2. C. cinnoides (Muhl.) Barton. Stem 1- 
the achilla abou mm. 
glabrous EUM long-villous ik LO. N d 
talliana Steud. "—NWet places, acid s 
marshes, and damp wooded " E S, Ala. to Me. 
60. AMMOPHILA H A coarse erect perennial with stout creeping 
rootstocks, long tough involute blades, a a pale dense spike-like panicle. 
Dd l-fülowered, the rachilla produc 
eyond the palea as a short bristle, aue 
above; bia bone equal, chartaceous; 
lemma similar to the glumes, about as long. 
slightly emarginate, mucronate between the 
teeth, the callus ree: short hairs; palea 
nearly as long as the lemma.—Two species, 
of the Northern Po. 
. A. breviligulata Fernald. Stem 50-100 em. 
t". 
asm a um m m mm m pn m 
Sem were o 
wow ets T 
LH 7 
Toe = 
- 
te 
the upper surface turned downward: p 
10—40 long: spikelets flattened, about 1 
cm. long enaria (Fl 
(BEACH-GRAS A-S 
EED.)—Sandy beaches and dunes, Coastal Plain and New me Coast, 
N. C. to Newf.; also Great Lake Lowland, Ind. to Wis. and Mic 
