Index 



195 



Bromus (contd.) 



erectus, 84 (Figs. 75, 76) 



giganteus, 85 (Figs. 79, 80) , 



inermis, 87, 141 (Figs. 81, 82) 



madritensis, 188 



maximus, 188 



mollis, 81 (Figs. 71, 72) 



racemosus, 82 



Schraderi, 88, 142 (Fig. 83) 



secalinus, 80 (Figs. 70, 70 a) 



sten'Es, 82 (Figs. 73, 74) 



unioloides = B. Schraderi 

 Brown Bent Agrostis canina, 56 

 Bushel weight of seeds, 165, 175 



Calamagrostis Small-reed 

 Epigeios, 89 (Fig. 84) 

 lanceolata, 90 (Fig. 84) 

 stricter-, 90 



Canadian Blue-grass, 123, 160 

 Canary-grass Phalaris canariensis 

 Caryopsis the seed-like fruit of a grass 

 (grain) in which the thin pericarp 

 is fused to the seed, 18 (Figs. 

 20, 21) 



Catabrosa aquatica, 90 

 Cat's-ear, 152 (Fig. 169) 

 Cat's- tail grass Phleum 

 Cecidomyia tritici, 137 

 Chalk species, 24 

 Chewing's Fescue, 151 

 Chlorophj'll; 21 

 Ciliate with a fringe of hairs 

 Circular shoot sections, 5, 30-32 (Fig. 7) 

 Classification according to floral cha- 

 racters, 34-38 

 Classification based on vegetative 



characters, 28-34 



Classification of grass "seeds," 38-50 

 Cleistogamous term applied when pol- 

 lination and fertilisation occur 

 before the flowers open, 22 

 Cnicus arvensis (Fig. 165) 

 Cock's-foot Dactylis glomerata, 145 

 Coleorhiza sheath surrounding the 

 radicle of the embryo (Figs. 

 20, 22) 



Coloured sheath?, 6 

 Comparative cost of seeds, 166 

 Compressed shoots, 5, 6, 30 (Fig. 6) 

 Conduplicate folded, 5, 6 (Fig. 6) 

 Convolute rolled up, 5, 6 (Fig. 7) 

 Cotyledon, 18 



Couch-grass Agropyrum repens, 51 

 Creeping Buttercup (Fig. 155) 

 Creeping Fescue Festuca rubra genuina 

 Creeping grasses, 2-4, 134 

 Creeping Soft-grass Holcus mollis, 108 

 Creeping Thistle (Fig. 165) 

 Crepis virens (Fig. 159) 



Crested Dog's-tail Cynosurus cristatus 



Cross-fertilisation, 22 



Cross-pollination, 22 



Culms, 2-4 (Figs. 2-4) 



Curled Dock (Fig. 151) 



Cylindrical inflorescence, 35 (Fig. 46) 



Cylindrical shoot, 6 (Fig. 7) 



Cynodon Dactylon, 90 



Cynosurus Dog's-tail 



cristatus, 90, 142 (Figs. 85, 86, 157) 



echinatus, 93 



Davtylis glomerata, 93, 145 (Figs. 87-89) 

 Darnel Lolium temulentum, 116 

 Deschampsia ccespitosa=Aira ccespitosa 

 Deschampsia flexuosa=Aira jlexuosa 

 Development of the turf, 170, 171, 181 

 Digitaria humijusa = Panicum glabrum 

 Digitaria sanguinalis = Panicum sangui- 



nale 



Digr aphis arundinacea, 95 (Figs. 90, 92) 

 Disarticulation of "seeds," 16 (Fig. 19) 

 Dissemination, 22 

 Distichous in two opposite ranks on 



the axis 



Distribution of grasses, 23-28 

 Distribution of seeds, 22 

 Dorsal awn, 39, 42-44 (Figs. 55, 58) 

 Downy Oat-grass Avena pubescens, 72 

 Dry soils, 24, 172, 177 



Early Hair-grass Aira prcecox, 59 

 Echinochloa Crus-galli= Panicum Crus- 



galli, L., 188 



Effect of manures on herbage, 184-187 

 Elymus arenarius, 97 (Figs. 91, 93) 

 Embryo, 18 (Fig. 20) 

 Empty glumes, 14 (Fig. 18) 

 Endosperm, 18 (Figs. 20, 21, 24, 25) 

 Entire sheath, 5 (Fig. 6) 

 Epithelial layer, 20 (Fig. 20) 

 Ergot, 148 

 Extra-vaginal shoots, 3 (Fig. 5) 



False Oat Arrhenatherum avenaceum 

 Fertilisation the union of the nucleus 

 of the pollen-tube with that of 

 the egg-cell, 22 

 Festuca Fescue Grasses, 99-104 



arundinacea, 99, 147 



duriuscula, 102, 150 (Figs. 105, 106) 



elaiior, 99, 147 (Figs. 94, 95) 



gigantea, 100 



heterophylla, 103, 151 



littoralis, 148 



loliacea, 100 



Myurus, 100 (Figs. 98, 99) 



ovina, 101, 150 (Figs. 100, 102) 



pratensis, 100, 148 (Figs. 96, 97) 



rigida=Poa rigida 



