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GLYOERIA. 
550. G. fluitans, Brown. Floating Sweet Grass. 
551. G. plicata, Fries. Folded-leaved Sweet Grass. 
ScLEROCHLOA. 
552. +S. distans, Bab. Rejlexed Hard Grass. Great Doward, Rev, A. Ley. 
Lesser Doward, Rev. W. H. Purchas. 
553. S. rigida, Link. Hard Grass. 
Poa. 
554. P. annua, LZ. Annual Meadow Grass. 
555. P. nemoralis, Z. Wood Meadow Grass. 
556. P.compressa, LZ.  Flat-stalked Meadow Grass, 
557. P. pratensis, LD. Smooth-stalked Meadow Grass. 
558. P. trivialis, Z. Roughish Meadow Grass. 
Briza. 
559. B. media, L. Common Quaking Grass. 
CynosuRvs. 
560. C. cristatus, D. Dog’s-tail Grass. 
Dacty.vs. 
561. D. glomerata, L. Cock's-foot Grass, 
FrEstuoa. 
562. F. ovina, L. Slender Fescue Grass. 
c. glauca, Rev. W. H. Purchas. 
563. F. rubra, Z. Creeping Fescue Grass. 
a. duriuscula, 
b. arenaria. 
564. F. elatior, Z. Tall Fescue Grass. 
565. FF. pratensis, Huds. Meadow Fescue Grass. 
b. loliacea, Rev. A. Ley. 
Bromus. 
566. B. giganteus, L. Tall Brome Grass. 
567. B.asper, Murr. § Hairy Wood Brome Grass. 
a. serotinus. 
b. Benekenii. 
568. B. erectus, Huds. Upright Brome Grass,—Rev. A. Ley. 
569. B. sterilis, Z. Barren Brome Grass. 
570. B. commutatus, Schrad. Meadow Brome Grass. 
571. B. mollis, Z. Soft Brome Grass. 
BRACHYPODIUM. 
572. B. sylvaticum, BR. & S. Slender False Brome Grass. 
TRITICUM. 
573. T. caninum, Huds. Fibrous-rooted Brome Grass. 
574. T. repens, Z. Creeping Wheat Grass. 
Loium. 
575. L. perenne, ZL. Common Ray or Rye Grass. 
