AND SYNONYMS 
25, 28, 32, 39, 40, 54, 64, 66, 
69, 78, 111, 113, 128, 145; G. 
maritima-—Poa. maritima; G. 
procumbens—Poa procumbens ; G. 
rigida-—Poa rigida 
rain, 86, 95, 121, 122, 127, 135 
Graminaceex, characters, 3, 36, 37 
Graminex, see Graminaceze 
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—3l 
Hair-grass— Aira 
Hairs, 18, 19, 21, 24, 26, 62, 64, 
Ho oy, 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 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— Braclhypo- 
dium pinnatum 
Heath-grass—Triodia decumbens 
Heath-grasses, 20, 29, 36 
Height, 6 
Heleochloa, 123 
Herbaceous—of the ordinary soft 
texture of herbs, 6, 21, 91 
Heterodera, 10 
Heterophylly, 71 
Heteropogon contortus, 127 
Hierochloe—Holy-grass, 20, 27, 66, 
183 
73, 91, 92, 105, 155; H. borealis, 
30, 65 
Hill-pastures, 29 
Hispid—covered with 
rather long hairs, 58 
Histology, 62—71, 122 
Holcus—Soft grass, 8, 22, 26, 27, 
56, 89, 90, 91, 93, 106, 119, 125, 
148s eit eels) 155.2): 
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—Barley, 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, 
100,163; H. murinum, 8, 10, 
14, 21, 30, 50, 59, 76, 100, 
125, 162, 163; H. pratense, 7, 
11, 14, 21, 22, 28, 58, 100, 
163; H. sylvaticum, 7, 11, 14, 
28, 34, 44, 58, 59, 100, 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 
stiff and 
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 
Internode, 8, 17 
Intra-vaginal shoots, 12, 13 
Introduced grasses, 30 
Involute—rolled inwards, 20, 47 
