AND SYNONYMS 



183 



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

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

 maritima — Poa maritima ; G. 

 procuvibens — Poaprocumbcns ; G. 

 rigida — Poa rigida 



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



Graminacete, characters, 3, 86, 37 



GraminesB, see Graminacese 



Grass, origin of the word, 3 



Grass carpets, 2, 37 



Grasses, identification of, 3, 4 



Grazing, 27 



Grey Hair-grass — Aira canescens 



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, 181, 138, 



139, 144 

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

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



26, 57, 76, 81 



Hairy Brome — Bromiis asper 



Hairy "seeds," 368 



Half-shade species, 84 



Halophytes, 36 



Hard Fescue — Festuca duriuscula 



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 — Avena fatua 



Hay, 27, 37 



Heath False-Brome — Brachypo- 



diuvi pinnatum 

 Heath-grass — Triodia decumiens 

 Heath-grasses, 20, 29, 36 

 Height, 6 

 Heleochloa, 123 

 Herbaceous — of the ordinary soft 



texture of herbs, 6, 21, 91 

 JSeterodera, 10 

 Heterophylly, 71 

 Hetefopogon contortus, 127 

 Hierochloe — Holy-grass, 20, 27, 66, 



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

 30, 65 



Hill-pastures, 29 



Hispid — covered with stiff and 

 rather long hairs, 58 



Histology, 62—71, 122 



Holcus—Solt grass, 8, 22, 26, 27, 

 56, 89, 90, 91, 98, 106, 119, 125, 

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

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

 28, 30, 82, 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—BaTlej, 10, 20, 22, 26, 

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

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

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

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

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

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

 11, 14, 21, 22, 28, 68, lOO, 

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

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

 162 



Humus species, 88, 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, 81, 32, 34 

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



86—91, 97, 99, 102, 108, 105, 



106, 109— 118, 119 

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



63, 64 

 InroUing of leaves, 20, 28, 25, 46, 



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



78, 79, 80 

 Intercellular spaces, 37 

 Internode, 8, 17 

 Intra-vaginal shoots, 12, 18 

 Introduced grasses, 30 

 Involute— rolled inwards, 20, 47 



