AND SYNONYMS 



189 



Spikate inflorescence, 99, 106 

 Spike, 9, 87, 88, 90, 99, 100, 101, 



102, 106, 108 

 Spiked Fescue — Festuca loliacea 

 Spikelet, 9, 84, 85, 86, 87, 88, 89, 



90, 93. 94, 95, 97, 99—118, 



119, 120, 123, 124 

 Spike-like panicle, 9, 88, 90, 102 

 Spinescent leaf, 22 

 Sjjutifex, 125 



Split' sheath, 5, 17, 18, 19 

 Split-sheathed grasses, 17, 18, 19, 



45, 50 

 Sporobolus, 123, 134 

 Squirrel-tail grass — Hordeum viari- 



timum 

 Stamen, 86, 87, 89, 93, 94, 95, 96, 



97, 102, 103, 119 

 Staminate — a flower with stamens 



and no ovary, 100, 105, 106 

 Starch, 120, 121, 122 

 Stem, 4, 6, 8 

 Steppes, 1, 36, 38 

 Stigma — stigmatic plumes, 86, 87, 



93, 94, 96, 97, 119, 120, 121 

 Stipa, 36, 96, 126; S. capillata, 



125; S. pennata, 32, 125; *S'. 



spartea, 125 

 Stolon, 10, 12, 35, 114 

 Stoloniferous grasses, 8, 13, 14, 15 

 Stomata, 25, 36, 62, 64, 65, 07, 70, 



73, 77, 80, 95 

 Strand-plants, 36 

 Stringy roots, 8 

 Striped grass — Digrapliis arundi- 



nacea 

 Struggle for existence, 2, 37, 38 

 Style, 94, 97, 99 

 Sub-acute — hardly pointed, 142 

 Sub- sessile — very shortly stalked, 



so as to be all but sessile, 99, 106 

 Sub-terminal awn, 95, 115, 129, 



130, 150, 151, 152, 162, 163—168, 



169 

 Subulate — awl-shaped : stouter than 



setaceous, 19, 20, 21, 70, 71, 79 

 Sugar, 120, 121, 122 

 Sugar-cane, 1 

 Sun-plants, 36 

 Sweet-tasting grasses, 39 

 Sweet Vernal grass — Anthoxanthum 



odoratum 



Sympodium, 11 



Tall Brome — Bromus giganteu>i 



Tall Fescue — Festuca elatior 



Tapering leaves, 21 



Tastes, 27 



Temperate species, 2 



Terete — cylindrical and gradually 

 tapering, 6, 54, 163, 171 



Terminal awn, 92, 111, 115, 110, 

 126, 130, 162, 168—174, 173 



Texture of leaf, 21 



Three-flowered spikelets, 90 



Timothy — Phleum pratense 



Tomentose — softly hairy, 59 



Transpiration, 20 



Transverse sections of leaves, 16, 

 23, 24, 63, 64 



Transverse section of shoot, 15, 16 



Triodia — Heath-grass, 11, 14, 19, 

 25, 26, 90, 91, 103, 139 ; T. de- 

 cumhens, 8, 29, 34, llO, 123 



Trisetum Jlavescens — Avena fla- 

 vescens 



Triticum — Wheat ; T. acutwn — T. 

 laxum ; T. junceum — Agropyruni 

 junceum; T. laxum — Agropyrum 

 laxum ; T. pungens — T. laxum ; 

 T. repens — Agropyrum repens 



Tropical species. 1, 2 



Truncate, 92, 142 



Tuber, 8 



Tufted grasses, 13, 14 



Tufted Hair-grass — Aira ccespitosa 



Tufted inflorescences, 90, 99, 102, 

 103, 109 



Tufts, 5, 9, 12, 13, 37 



Tumble-weeds, 125 



Turgescence — the distension of cells 

 with water which they have ab- 

 sorbed, 63 



Tussocks, 13 



Twisted awns, 116, 125, 126, 129, 

 130, 151, 154, 158 



Twisting of seedling leaves, 133 



Twitch — certain persistent weeds 

 belonging to the genera Agro- 

 pyrum, Agrostis, Holcus, etc. : 

 see Couch-grass, 52, 57, 59 



Two-flowered spikelets, 90 



U-shaped leaf-sections, 20 



