AND SYNONYMS 
91, 93, 103, 148, 158; D. glome- 
pota, 1,16, 147, 27, 32, 33, 34, 
41, 65, 66, 69, 74, 109, 149, 
150, 151 
Darnel— Lolium 
temulentum 
Decumbent Heath-grass—Triodia 
decumbens 
Dehiscent fruits, 123 
Depauperated—starved and con- 
sequently dwarfed, 109 
Deschampsia cespitosa—Aira ce- 
spitosa 
Deschampsia flexuosa—Aira flex- 
Uuosa 
Digitaria—Panicum 
Digitate—spread out like fingers, 
15 
Digraphis—Reed-grass, 6, 11, 13, 
Boy 40: 40 51, 55, 69, 73 T5. 
90, 91, 92, 103, 131, 139, 146, 159; 
D. arundinacea, 6, 16, 23, 29, 
32, 54, 64, 75, 108, 189, 150 
Dimensions of grasses, 6 
Dinochloa, 6 
Dicecious, unisexual, the male and 
female flowers being on separate 
plants, 119 
Disarticulation of fruits, 124 
Dissemination, 125, 127 
Distichous—in two ranks on the 
axis, 106 
Distribution of grasses, 2, 37, 38 
Distribution of seeds, 124—127 
Distribution of sexes, 119 
Ditches, grasses of, 28, 29 
Dog’s-tooth grass—Cynodon Dacty- 
lon 
Dorsal awn, 92, 112, 116, 130, 159 
Double seed—grass ‘‘ seed” where 
the remains of a second flower 
come away with the first, 152, 
158 
Downs, grasses of, 29 
Downy Oat—Avena pubescens 
Dry leaves, 21 
Dry situations, 24, 26, 29 
Dry soils, 29, 32 
Duration, 10 
Dwarfed species, 6 
perenne—Lolium 
Early Hair-grass—Aira precox 
181 
Ears, 19, 22, 57, 59 
Echinochloa— Panicum 
Effects of grasses on soil, 35, 
36 
EKegg-cell, 121 
Eleusine, 123 
Elliptical shoot-section, 16, 44 
Elymus—Lyme-grass, 6, 13, 14, 
21, 22, 25, 36, 48, 57, 63, 65, 69, 
79, 90, 92, 102,170; E. arenarius, 
6, 29, 33, 35, 36, 48, 66, 67, 
108, 149, 150 
Embryo, 121, 131, 133 
Embryo-sac, 121 
Embryonic bud—plumule, 123 
Embryonic roots, 123, 133 
Endosperm, 120, 121, 122, 123 
Energy stored in leaves, 2, 3 
Entire—not cut: with unbroken 
outline, 19 
Entire sheath, 17 
Entire-sheathed grasses, 
113,495 
Epidermis, 25, 36, 62—67, 70, 76, 
122 
Equitant—one folded leaf strad- 
dling over another, 39, 41 
Eriophorum, 3 
Extra-vaginal shoots, 12 
7739, 
False Oat—Arrhenatherum 
aceum 
Female flowers, 89 
Fertile flowers, 86, 89, 90 
Fertilisation—the fusion of the 
nucleus of the pollen-tube with 
that of the egg-cell, 121 
Fescue—Festuca, 115,- 130; 137, 
144, 148, 151, 172 
Festuca—Fescue, 2, 6, 7, 15, 21, 25, 
36, 49, 51, 53, 90, 91, 92, 108, 109, 
110, 113, 114, 116, 124, 144, 147; 
F.arundinacea—var.of F’. elatior, 
144, 151; F. calamaria—F. 
sylvatica; F. duriuscula—var. 
of F’. ovina, 46, 69, '78, 80, 147, 
2a is ei velatior, 6 7, 1g 
13, 14, 18, 19, 22, 25, 28, 32, 44, 
50, 51, 63, 64, 82, 84, 108, 111, 
115, 116, 128, 131, 143, 144; 
F, gigantea—Bromus giganteus ; 
F. heterophylla—var. of F. ovina, 
aven- 
