EditorialWater swaths and manna grass, A: Glyceria spectabilis Mertens and Koch - Water Swaths, B: Glyceria fluitans R. Brown - Mannagras, Floating Grasses, Family: 24. Gramineae, 2. Festucaceae Grasses, Fescue Grasses, Date Estimate, Plate 59, to p. 132 (vol. ...