194 



INDEX 



LIST OF SYNONYMS AND GLOSSARY OF TERMS 



Absolute weight of seeds, 165, 174 

 Acuminate — taper-pointed 

 Acute — sharply pointed 

 Adaptations, 14, 21, 22 

 Adulterants, 163 



Adventitious roots, 1 (Figs. 22, 23) 

 Agricultural Uses, 133—162 

 Agropyrum — Wheat-grass 



caninum, 54 (Figs. 28, 30) 



junceum, 54 



repens, 51 (Figs. 27, 29) 

 Agrostis — Bent-grass, 54 



alba, 54, 56 



canina, 56 (Fig. 36) 



palu'stris (Fig. 31) 



repens, 54 (Kg. 33) 



setacea, 56 



Spica-venti, 56 (Fig. 37) 



stolonifera, 54, 134, (Figs. 32, 34) 



vulgaris, 56 (Figs. 32, 35) 

 Aira — Hair-grass 



alpina, 188 



ccespitosa, 56 (Figs. 10, 38, 39, 40) 



canescens, 58 



caryophyllea, 59 (Figs. 42, 43) 



flexuosa, 57, 140 (Figs. 41, 42) 



praxox, 59 

 Air-spaces, 8 

 A lopecurus — Foxtail-grass 



agreslis, 61 (Figs. 46, 47, 48) 



alpinus, 188 



bulbosus, 188 



fulvus, 188 



geniculatus, 61 (Figs. 49, 50) 



pratensis, 59, 135 (Figs. 9, 44, 45, 

 46, 150) 

 Alpine Meadow-grass — Poa alpina, 122 

 Ammophila arundinacea=Psamma are- 



naria 

 Animal distribution of seeds, 22 

 Annual Meadow-grass — Poa annua, 122 

 Anihoxanthum — Vernal-grass 



odoratum, 61, 138 (Figs. 51, 52) 



Puelii, 63, 139 

 Apera Spica-venti = Agrostis Spica-venti 

 Aquatic grasses, 25 (Figs. 90, 110) 

 Arrkenatherum — False Oat-grass 



avenaceum, 63, 140 (Figs. 53, 55) 

 var. bidbosum, 141 (Fig. 54) 

 Arundo Phragmites, 66 (Fig, 56) 



Auricles — ear-like projections at the 

 base of the leaf -blade, 10 (Fig. 13) 

 Avena- — Oat-grass, 68 



elatior = Arrhenatherum avenaceum 

 fatua, 73 (Figs. 60, 62) 

 flavescens, 68, 139 (Figs. 57, 58) 

 nuda (Figs. 14, 15) 

 pratensis, 70 (Figs. 59, 61) 

 pubescens, 72 

 strigosa, 74 

 Awn, a bristle- like appendage or exten- 

 sion of the palese, etc. ; in cereals 

 known as the "beard," 14, 38 

 Awned seeds, 39 



Awnless Brome — Brorrms inermi-s, 141 

 Awnless seeds, 46 

 Awn-point, 38 (Figs. 88, 107) 

 Axil — the upper angle formed at the 

 insertion of a leaf, branch, etc., 2 

 Axis — the central line of any body; 

 the central part supporting a 

 series of branches, etc., 14, 15, 

 16 (Fig. 17) 



Barley— see Hordeum 

 Barren-Brome — Brornns sterUis, 82 

 Barren flowers, 65, 107 (Figs. 114, 116) 

 Basal-awn, 38, 44 (Figs. 40, 41) 

 Bearded Darnel — Lolium temulentum 

 Bearded Wheat-grass — Agropyrum cani- 

 num 

 Bent-grass — Agrostis sps. 54-56 

 Biology, 18-22 

 Blade of leaf, 6-11 

 Blue Moor-grass — Sesleria cmrulea 

 Bowling greens, 178 

 Brachypodium — False Brome 



pinnatum, 76 (Fig. 64) 



sylvaticum, 74 (Figs. 63, 66) 

 Bracteoles, 14 

 Bracts, 14 

 Branching, 2, 3 

 Bristle-like leaves, 33, 34 

 Bristle Oat — A vena strigosa 

 Briza — Quaking-grass 



media, 77 (Figs. 65, 69) 



minor, 78 

 Bromus — Brome-grass, 79-89 



arvensis, 79 (Figs. 67, 68) 



asper, 85 (Figs. "77, 78) 



