INTRODUCTION. 



No introduction appears to be necessary further than 



to give for the benefit of those unfamiliar with botanical 



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ERRATA. 



Page iv, line 8 from bottom, for 75a read 73a. 



14, " 18, for Fig. 80 read Fig. 81. 



64, '* 3, " Germainea read Germainia. 



87, " 16, " pedicellate read petiolate. 

 141, last line, for Oenototheca " Centotheca. 

 155, line 11, for obtusa " obtusata. 



164, " 24, " Colopodium " Colpodium. 

 178, '• 2, " Silieia " Silesia. 



197, ' 25, " Zeylanese '• Ceylonese. 



218, for Eatonia obtusa " Eatonia obtusata. 



221, " Icanthus read Ichnanthus. 

 221, " Lepocercis " Lepeocercis. 

 225, " Rhinacline " Rhiniachne. 



the empty ones, and with a short straight awn from the 

 point) which exclude it from the next division, "1," we 

 try " 2," which leads us to tribe XI, Festucese, further 

 described on page 135. Carefully comparing our plant 

 with the more extended characters here given, we note 

 their agreement (or disagreement, as would be the case 

 if we had proceeded wrongly to this point). 



Being satisfied that our plant must belong to the 



