POACEAE | 93 
Plant perennial, with stout creeping rootstocks: panicles contracted but somewhat 
lobed or interrupted. 1. P. arundinacea. 
Plant annual: panicles ovoid to linear, dense. . . 
Glumes broadly winged: panicle ovoid. 2. P. canariensis. 
Glumes wingless or nearly so: panicles oblong to linear. 3. P. caroliniana. 
1. P. arundinacea L. Stem erect, usually 100—150 em. tall: panicle in anthe- 
sis rather open PR em. long, pale: spikelets nee about 5 mm. long.— 
( REED CANARY-GRA SS.)— Wet soil swamps, 
and as o ede e : 
and Ky. to Kan. Ariz. B. C., and N. 8. 
E Rn canariensis L. Stem rad less 
tall: E 2-3 cm. long: 
spikelets broadly obov 5-6 mm. long: 
glumes white w green veins, the keel en- 
tire: “Fertile nr. bro . (CA (NARY-GRASS.) 
—Waste-places, eons ete ec Fla. to 
Ariz., Wash., and N. S. Nat of Eu.—Rare 
within our limits. (W. I., Mex.) 
3. P. caroliniana Walt. Stem 30-100 cm 
tall: Teny ellipsoid to linear, 1-6 em. lon ng: 
spikelets 5—6 mm. long, rather abru tly nar- SH 
rowed to an acute apex, the keel i ous and argui winged above from 
below the middle, the lateral nerves about midway between keel an E Aud ee 
fertile lemma ovate, aeute, densely villous, about 4 mm. lon ng. [P.i neds 
Bosc.]—Moist soil, coastal sands, borders of woods, prairies, and jud 
Coastal Plain and RU EE provinces, Fla. to Tex., S Calif., Mo., and Md.— 
` (Mez. 
47. ANTHOXANTHUM L. Sweet-smelling annuals or perennials, with 
flat blades and spike-like panicles. Spikelets with 1 terminal perfect floret and 
2 lateral sterile un articulate above the glumes; glumes unequal, acute or 
mucronate; sterile lemmas shorter than the glumes, empty, awned. from the 
ack; fertile lemma shorter than the sterile ones, awnless; palea 1-nerved, 
rounded on the back, enclosed in the lemma. —Four species, of Europe and Asia. 
1. A. odoratum L. Perennial, the plant Mets fragrant in drying: stems tufted, 
30-60 em. tall: panicle 3-8 cm. long, tapering above: spikelets brownish green, 
0 mm. long, the sterile leanne and it 
golden-brown.—( a RASS. 
Meadows, pastures, woods, roadsides, and 
waste-places, m throughout N. A., 
common southward. Nat. of Eu.—(W. L) 
—A. aris 
differing in being annual, has been found in 
Fla. and Miss.; it also occurs in the NE 
| States. 
Torresia odorata (L.) A. Hitchce., ind 
e A E Lena in whieh the low 
er are nate, is recorded by 
URS from poe le, N. C. Stems 
30-60 em. long: spikelets bronze- oe 3- 
flowered, the terminal floret perfec e 2 
S. staminate. [Savastana E Seribn. Hierochloa borealis Roem. & 
ras nd News -GRASS. HOLY-GRASS. ce QE ues N. J. to Colo., 
e and 
