102 53. Megasta. 10. GRAMINEiE. PLend.ph . 
Dry sandy places and walls; annual; June, July. 
Culm many, 1 to 6 in. high, erect, stiff, rather com- 
pressed, smooth ; leaves slender, acute, short, often con- 
volute ; sheath shining, bluish red ; ligula short, obtuse, 
torn ; panicle deep green, or purplish ; peduncle short, alter- 
nate, 2 -rowed ; spatkelles very slender, acute ; spathellules 
very smooth, outer obsoletely 3 to 5-ribbed. 
/3. maritima . Culm prostrate, thick, stiff, glaucous, small. 
Triticum maritimum, WulJ inJacq. Collect. 3, 34. 
XIII. 51'. POA. Theophrastus. Meadow grass . 
Spatkelles alternate, 2 to 20-flowered, shorter than the 
floscules; glumelles sometimes joined at the base with wool; 
lower spathellule awnless; upper 2-cut, toothed; lodicule 
obtuse, not notched, smooth ; stamens 2 or 3 ; style short, 
2-parted ; stigmata villose ; cariopsis free, furrowed ; panicle 
compound, more or less branchy and effused. 
a. Locustce very smooth ; spathellules obtuse. 
1. Poa aquatica . Water meadow-grass. 
Panicle equal, erect, very large, much branched ; locustce 
linear, 5 to 9-flowered ; glumelles free at the base, 7-ribbed ; 
leaves very broad, base spotted ; root creeping. 
Gramen pratense q. Gramen aquaticum majiis, Rail Syn, 411, 13. 
Poa aquatica, Lin. S. P. 98. 
Poa altissiraa, Moench Mcth. 185. 
Reed meadow-grass. 
Marshes and banks of rivers; perennial ; June and July. 
Culm thick, smooth, bald, 6 feet high, erect, compressed, 
2-edged ; leaves ensifbrm, smooth ; base having 2 or 3 an- 
gular spots ; sheaths smooth, bald ; ligula truncated ; panicle 
obtuse ; peduncle very long, rough ; glume all white ; lo- 
cust (E green and purple. 
|3. vivipara. Flowers viviparous. 
2. Poa maritima . Sea meadow-grass . 
Panicle equal, branchy, or rather spreading, becoming 
contracted; locustce 5 to 12-flowered, roundish; flowrets 
distant, obtuse, obsoletely 5-ribbed ; culm ascending ; root 
creeping. 
Gramen pratense q. Gramen paniculatum maritimum vulgatissimum, 
Ran Syn. 409, 6. 
Poa arundinacea, Mcencli Meth . 186. 
Poa maritima, Hudson Ft. Angl . 42, 
