TABLE OF CONTENTS xiii 



CHAPTER XXII 



PAOEB 



TRIBE X. Chhridex 213-218 



Capriola Adans., 214 Chloris Swartz, 216 Bouteloua 

 Lag., 216 Bulbilis Raf., 218. 



CHAPTER XXIII 



TRIBE XI. Festucex ...... 219-234 



Cortaderia Stapf, 224 Arundo L., 224Eragrostis 

 Host, 225Distichlis Raf., 225Dactylis L., 226 Poa 

 L., 227 Kentucky blue-grass (P. pratensis L.), 228 

 Other economic species of Poa, 229 Festuca L., 230 

 Meadow fescue, 230 Sheep's fescue (F. ovina L.), 231 

 Red fescue (F. rubra L.), 231 Bromus L., 232 Awnless 

 brome-grass, 232 Rescue-grass (B. unioloides Kunth), 

 233. 



CHAPTER XXIV 



TRIBE XII. H&rdeae ._.."'. . . . . , . . . 235-246 

 Lolium L., 236 Agropyron Gaertn., 237 Triticum L., 

 238 Spelt and emmer, 239 Origin of wheat, 240 

 Classification of the wheats, 242 Secale L., 244 

 Hordeum L., 2^Elymus L., 246 Tribe XIII. Bambur 

 sex, 247. 



CHAPTER XXV 



NOMENCLATURE 250-266 



Generic names, 250 Specific names, 251--Nouns in 

 the genitive, 252 Nouns in apposition, 252 Names 

 of a lower category, 253 Transferring specific names, 

 253 Authors of names, 254 Use of parentheses, 254 

 Capitalization, 255 Bibliography, 256 Valid names 

 and synonyms, 257 Codes of botanical nomenclature, 

 258 Vienna code, 258 American code, 259 Compari- 

 son of the two recent codes, 260 Common names, 260 

 List of books and articles relating to taxonomic agros- 

 tology, 262. 



