Lodicules, 86, _87_, 95, _96_, 97 _Lolium_--Rye-grass, 13, 14, 18, 22, 25, 49, 50, 53, 57, 59, 82, 88, 90, 91, +107+, 108, 109, 144, 151, 167; _L. italicum_, 7, 11, 28, 31, +49+; _L. perenne_, 8, 11, 16, _19_, 20, 28, 30, 32, +49+, +81+, 82, 93, +107+, 128, 131, +142+, 143, 144, 150, 168; _L. temulentum_, 8, 10, 30, +49+, 50, 82, 92, +107+, _129_, 130, 142, 150, 167, +168+ Loose Panic-grass--_Panicum Crus-galli_ _Lygeum_, 36 Lyme-grass--_Elymus_ Maize, 1, 89, 120 Male flowers, 89, 90, 119 Manna-croup--_Glyceria fluitans_ Many-flowered spikelets, 90 Margin of leaf, 21, +22+, 66 Marginal asperities, 22 Maritime grasses, 29 Marram--_Psamma_ Marsh Bent--_Agrostis alba_ Marsh Foxtail--_Alopecurus geniculatus_ Marsh grasses, 28, 29 Mat-grass--_Psamma arenaria_ Maydeæ, 122 Meadows, 1 Meadow Barley--_Hordeum pratense_ Meadow Fescue--_Festuca elatior_--_Festuca pratensis_ Meadow Foxtail--_Alopecurus pratensis_ Meadow-grass--_Poa pratensis_, 83 Meadow grasses, +27+, +28+, 37, 113 Meadow Soft-grass--_Holcus lanatus_ Mechanical tissues--tissues composed of hard-walled cells (sclerenchyma) serving for support, 62, _63_, _64_, 68 Medium grasses, 7 _Melica_--Melick, 11, 14, 16, 19, 20, 23, 25, 26, 34, 63, 90, 91, 92, 110, +136+, 137, 142; _M. ciliata_, 32; _M. nutans_, 7, 17, 33, +41+, 78, 104, 105, +137+; _M. uniflora_, 7, 17, 28, 33, +40+, 41, 78, 104, +105+, 137 _Melocanna_, 123 Membranous ligule, 19 Mesophytes--plants adapted to ordinary conditions of moisture, 37 _Mibora_, 68, 87, 89; _M. verna_, 31, +74+, +99+ Micropyle, _121_ Microscopic characters, 62, 122 Mid-rib, 15, 20, 21, 25, _63_, 67, 68, 74 _Milium_--Millet-grass, 6, 11, 14, 20, 22, 27, 34, 89, 91, 92, 137; _M. effusum_, 6, 28, 33, +103+, +136+ Millet--_Panicum_, 135 Millet-grass--_Milium_ Millet-seed type, 127, +135+ Moist soils, 26, 32 _Molinia_, 8, 14, 19, 20, 40, 60, 77, 90, 91, 92, 146, 148, 151, 171; _M. cærulea_, 7, 26, 29, 32, 33, 36, 37, 40, +59+, +110+, +148+, _149_ Monocotyledons, 97, 134 Monœcious--male and female flowers on the same plant, 119 Moor-grass--_Sesleria_ Moor-grasses, 8, 20, +29+, 37 Moor Mat-grass--_Nardus stricta_, 83 Morphology of flower, 95, 96, 97 Morphology of spikelet, 94 Motor-cells, 25, 41, 62, +63+, 64, _65_, _66_, _67_, _69_, 70, _71_, 73, 74, 75, 76, 77, 78, 79, 80 Mountain Melick--_Melica nutans_ Movements of awns, 125, _126_, 127 Movements of seedlings, 132 Mucronate--with a short point suddenly springing from a rounded apex, 22, 138, 139, 146, 149, _150_ _Myosotis_, 3 Naked fruits, 136 _Nardus_, 8, _9_, 11, 14, 20, 21, 64, 65, 66, 67, 70, 80, 83, 87, 88, 89, 90, 91, 93, 94, 130, 146, 171; _N. stricta_, 8, _9_, 29, 33, 36, +46+, 64, _69_, 70, +99+, 171, _173_, +174+