Pl.end.ph, 10. GRAMINE.^. 65. Glyceria, 125 



Glyceria Jlidtans. Floating manna-grass. 



Panicle spread out, facini^ one way ; iocustoi linear, 

 round, compressed, adpressed; spathellules 7-ribbed; root 

 creeping. 



Gramen prateuse q. Gramen aquaticum cum longissima panicula, Rail 

 Syn. 412, 17, 



Gramen fluviatili", Ger. em. 14; Park. 1275. 

 Festiira fltiitans, Lin. S. P. 1 1 1. 

 Poa fluitans, Saiisb. Prod. 219. 

 Deivaiixia Uiiitans, Palisot dc Beauvois. 

 Gl^'ceria fluitans, Brown Prod. 

 Flote-grass, 



Rivers and watery places; peren.; April to September. 



Culm ascending, lower joints rooting; leaves flat, obtuse, 

 broad; lou/er leaves floating; sheaths long; Ugula deltoid, 

 short; panicle long; peduncles solitary or in pairs, vexy 

 spreading; locustce blunt, green and white. 



i3. terresiris. Panicle scarcely branched, very small. 



y. vivipara. Glume and glnmelle changtd Into leaves. 



^. maritima. Leaves glaucous, blunt, broad; locustcs 

 6 or 8-flowered. 



XXV. 66. DACTYLIS. Roughgrass. 



Glume 2 to T-flowered ; spathelles alternate, nearly 

 equal, shorter than the flowrets; glmnelle bristled; lower 

 spathelluls nicked below the tip, bristled ; tipper 2-cut, 

 toothed ; lodiade ovate, hairy ; stigmata villose ; cariopsis 

 free, scarcely furrowed. — Racliis panicled ; /3<7/z/c/e branched ; 

 peduncles short; locustce many, crowded into 1 -sided heads. 



Dactylis glomerata. Brdled roughgrass. 



Panicle very much branched; peduncles alternate, spread- 

 ing; leaves carinate. 



Gramen arundiiiaceum q. Graineu asperum, Raii Sijn. 400, 2. 

 Dactylis ji;lomerata, Lin. S. P. 105. 

 Bromns i^Iomeratiis, Scop, Cam. lU. 

 Festuca giomerata, Fill. Danph. 2,95. 

 ^ Rough cockafoot. 



Fields and hedges; perennial; June to August. 

 Root fibrous, tufted; ciilni erect, 2 feet high, naked above: 

 leaves acute, dark green ; sheaths compressed ; Ugula long. 



