AND SYNONYMS 



183 



25, 28, 32, 39, 40, 54, 64, 66, 

 69, 73, 111, 113, 128, 145; G. 

 maritima — Poa viaritima ; G. 

 procumhens — Poaprocumhcns ; G, 

 riqida — Poa rigida 



Grain, 86, 95, 121, 122, 127, 135 



Graminace®, characters, 3, 36, 37 



Graminege, see Graminaceae 



Grass, origin of the word, 3 



Grass carpets, 2, 37 



Grasses, identification of, 3, 4 



Grazing, 27 



Grey Hair-grass — Aira canef^cens 



Grooved leaf, 69, 70, 71, 79 



Grooved sheath, 18 



Gynerium, 89 



Habit, 13, 34 



Habitats, 27—31 



Hair-grass — Aira 



Hairs, 18, 19, 21, 24, 26, 62, 64, 



66, 67, 91, 125, 130, 131, 138, 



139, 144 

 Hair-tufts, 59, 123, 125, 129, 158 

 Hairy grasses, 18, 19, 21, 22, 23, 



26, 57, 76, 81 



Hairy Brome — Bromus asper 



Hairy " seeds," 168 



Half-shade species, 34 



Halophytes, 36 



Hard Fescue — Festuca duriuscida 



Hard-grass — Lepturus 



Hard leaves, 21, 47 



Hard Meadow-grass — Poa rigida 



Hardy Bamboos, 38 



Hare's-tail — Lagurus 



Harsh leaves, 21 



Haulm, 83 



Havers — Aveyia fatua 



Hay, 27, 37 



Heath False-Brome — Brachy po- 

 dium pinnatum 



Heath- grass — Triodia decumbens 



Heath-grasses, 20, 29, 36 



Height, 6 



Hcleochloa, 123 



Herbaceous — of the ordinary soft 

 texture of herbs, 6, 21, 91 



Heterodera, 10 



Heterophylly, 71 



Heteropogon contortus, 127 



Uierochloe — Holy-grass, 20, 27, 66, 



73, 91, 92, 105, 155 ; H. borealis, 

 30, 65 



Hill-jDastures, 29 



Hispid — covered with stiff and 

 rather long hairs, 58 



Histology, 62—71, 122 



Holcus—Soit grass, 8, 22, 26, 27, 

 56, 89, 90, 91, 93, 106, 119, 125, 

 148, 151, 152, 153, 155; H. 

 lanatus, 7, 11, 13, 14, 17, 23, 26, 

 28, 30, 32, 34, 59, 65, 69, 81, 

 106, 143, 151, 152 ; H. mollis, 

 11, 28, 30, 33, 59, 106, 153 



Holy-grass — Hierochloe 



Hooded leaf-apex, 21 



Hook-hairs, 65 



Hordeum—Bsivley, 10, 20, 22, 26, 

 44, 59, 88, 89, 90, 92, 99, 100, 108, 

 127, 134, 163 ; H. jubatum, 125 ; 

 H. maritimum, 8, 10, 29, 33, 59, 

 lOO, 163 ; H. murimim, 8, 10, 

 14, 21, 30, 50, 59, 76, lOO, 

 125, 162, 163 ; H. pratense, 7, 

 11, 14, 21, 22, 28, 58, lOO, 

 163 ; H. sylvaticum, 7, 11, 14, 

 28, 34, 44, 58, 59, lOO, 105, 

 162 



Humus species, 33, 35 



Hybrids, 120 



Hydrophytes — plants requiring 

 much water, and therefore aquatic 

 or semi-aquatic, 37 



Hygrophilous species — hydrophy- 

 tes, 70 



Imperfect — rudimentary or stami- 



nate, 105 

 Inconspicuously awned grasses, 93 

 Indicator-plants, 31, 32, 34 

 Inflorescence, 5, 9, 12, 15, 83, 



86—91, 97, 99, 102, 103, 105, 



106, 109— 118, 119 

 Infolding of leaves, 20, 23, 25, 62, 



63, 64 

 Inrolling of leaves, 20, 23, 25, 46, 



62, 63, 64, 65, 66, 67, 69, 75, 



78, 79, 80 

 Intercellular spaces, 37 

 Interuode, 8, 17 

 Intra-vaginal shoots, 12, 13 

 Introduced grasses, 30 

 Involute— rolled inwards, 20, 47 



