136 79. Holcus. 10. GRAMINEiE. Fl.end.ph, 



Gramcn miliaceum pratense molle, Rail Syn. '104, 14, 



Gramen pratense paniculatiim molle. Park. 1155, 



Gramen lanatiini Dalechampii, Ger. em. 30 *. 



Holcus lanatns, Lin. S. P. 1485. 



Avena lanata, Koel, Gram. 303. 



Aira Holcus lanatus, Fill. Delpli. 2, 87. 



Fields and pastures ; perennial ; June and July. 



Cidms in tufts, 2 feet high, leafy above, pubescent ; leaves 

 broad, pubescent; sheaths woolly, grey; ligulce short; pa- 

 nicle coloured becoming grey ; pedtmcles in pairs or threes ; 

 locustce ovate. 



2. Holcus mollis. Tender softgrass. 



Awn of the upper flowret bent; spathelles nearly equal, 

 rather naked; root creeping; leaves rather naked. 



Gramen miliaceum aristatum molle, Raii Syn. 404, 15. 

 Holcus mollis, Lin. S. P. 1485. 

 Avena mollis, Koel. Gram. 300. 

 Aira Holcus mollis, Vill, Delp/i. 2, 88. 



Woods and fields ; perennial ; June and July. 



Culm solitary, smooth ; knots pubescent; leaves pubescent 

 becoming smooth ; sheaths rather smooth ; ligula long ; 

 panicle greenish black ; peduncles rough ; locustce ovate, 

 lanceolate, 



XXXIX. 80. DESCHAMPSIA. Beauv. Pearlgrass. 

 Glume 2 or 3-flowered ; spathelles alternate, nearly equal, 

 longer than the flowrets; lower spathellule many toothed at 

 the tip, awned at bottom; aiun straight, scarcely longer 

 than the base; 2ipper spathellule 2-cut toothed; lodicule 

 roundish, not nicked, hairy ; style 2-parted ; stigmata dis- 

 tant, villous; cariopsis free, scarcely furrowed. — Pawic/e 

 branched, semiverticillate, 



1. Deschampsia IcBvigata. Smooth pearlgrass. 

 Panicle contracted; base of the spathellules pilose; pe- 

 duncles very short, smooth ; leaves and sheath very smooth. 



Aira iKvigata, Smith T. L. S. 10, 334. 

 Deschampsia laevigata, Roetner Sys, Veg. 687. 



Mountains and sea-coasts in the North ; per.; June, July. 



Culm 18 in. high. 



/B. vivipara. Panicle viviparous. 



2. Deschampsia ccBspitosa. Tiifted pearlgrass. 

 Panicle spreading; base of the spathellules pilose; pedicells 



of the upper flowrets long, hairy; Zeaye^ furrowed above; 

 sheaths roughish ; ligula lanceolate, acute. 



