INDEX. 



Page 

 AcROSTis, generic character of.... 33 

 stolonifera, described 



and figured 117 



vulgaris 184 



canina 183 



lobata ib. 



stricta ib. 



iiivea 186 



fascicularis 187 



Mexicana 273 



canina capillaris 200 



canina mutica 22G 



alba 227 



repens 228 



stolonifera, described 



and figured 229 



ditto minus ib. 



palustris, described 230 



ramosissima, described 250 



Agropyrum, generic character of (JJ) 



repens, described... 271 



Aira, generic character of. 61 



flexuosa, described & figured 187 



aquatica, described 232 



cffispitosa 233 



jEgilops, generic character of. 57 



Alopecurus, generic character of 26 

 described & figured 84 

 arundinaceus, de- 

 scribed 154 



Tauntoniensis, de- 

 scribed... 155 



agrostis, described... 190 



geniculatus, describ. 200 



Andropogon, generic character of 39 



Anthoxanthuni, generic character 25 



odoratuin, describ. 



aud figured 82 



Page 



Arundo, generic character of 36 



arenaria, described 247 



Avena, generic character 64 



flavescens, described and 



figured 98 



pubesccns, described 191 



pratensis, described 207 



Beet, an account of 261 



Bindweed.. 312 



corn 327 



Black-grass.. 330 



Blue bottle 333 



Briza, generic character of. 56 



media, describ. and figured 130 



Bromus, generic character of. 61 



arvensis, described and 



figured 107, 109 



multiflorus, described 108 



mollis, figured 107 



described .., 109 



erectus, described 129 



inerniis, described 131 



sterilis, described 198 



diandrus, described 199 



tectorum, described 199 



littoreus, described 242 



Carrot, some account of 261 



wild 328 



Cenchrus, generic ciiaracter of.... 22 



Charlock 314, 332 



Chickweed 333 



Chloris, generic character of 67 



Coltsfoot 32() 



Couch 318 



Cockle 305 



Corn-mint 329 



