Index 



195 



Bromus (contd.) 



erectus, 84 (Figs. 75, 76) 



giganUus, 85 (Figs. 79, 80) 



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



■madritensis, 188 



maximus, 188 



TOoto, 81 (Figs. 71, 72) 



racemosus, 82 



Schraderi, 88, 142 (Fig. 83) 



secalimis, 80 (Figs. 70, 70a) 



sterilis, 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) 

 stricta-, 90 

 Canadian Blue-grass, 123, 160 

 Canary-grass — Phalarie 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 aguatica-, 90 

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

 Cat's-tail grass — Phleum 

 Cecidomyia tritici, 137 

 Chalk species, 24 

 Chewing's Fescue, 151 

 Chlorophyll; 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 

 Gnicus arvensis (Fig. 165) 

 Cock's-foot — Dactylis glomerata, 145 

 Coleorhiza — sheath surrounding the 

 radicle of the embryo (Figs. 

 20, 22) 

 Coloured sheaths, 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 repews, 51 

 Creeping Buttercup (Fig. 155) 

 Creeping Fescue — Festuca rubra genuina, 

 Creeping grasses, 2-4, 134 

 Creeping Soft-grass — JHolcus mollis, 108 

 Creeping Thistle (Fig. 165) 

 Crepis virens (Fig. 159) 



Crested Dog's-tail — Oynosurus 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) 



echinatas, 93 



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

 Darnel — Lolium temulentum, 116 

 Deschampsia C(espitosa=Aira coz&pitosa 

 Deschampsiaflexuosa=Aira flexuosa 

 Development of the turf, 170, 171, 181 

 Digitaria humijusa=Panicum glabrum 

 Digitaria sanguinalis=Panicum sangui- 



nale 

 Digraphis 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 praxox, 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 — Arrhenaiherum 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) 



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



gigantea, 100 



heterophyUa, 103, 151 



Uttoralis, 148 



loliacea, 100 



Myurus, 100 (Figs. 98, 99) 



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



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



rigida=Poa rigida 



