Index. 229 



Cultivation of wheat, 132 

 Cynosurus cri status, 137, 220, 221 

 Cyperacese, 220 



DACTYLIS glomerata, 137, 160, 161, 163, 166, 170, 174, 177, 180, 183, 

 204, 216, 220, 221 



Dandelion (see Taraxacum) 



Dicotyledons, 220 



Dipsacese, 220 



Dogstail (see Cyiiosurus) 



Downy oat grass (see Arena pubescens) 



Drainage waters, 40, 42, 47, 51, 58, 59, 60, 73, 99, 109, 119, 158, 161 



188, 198, 199, 201, 203, 204 

 Drought, effect of, 223 

 Dutch clover (see Trifolium repeus) 



EARTH nut (see Couopodium denudatum) 



Exhaustion of soils, 92, 98, 113, 122, 124, 126, 132, 174, 206 



FALSE oat grass (see Aveua elatior) 



Farmyard manures, 8, 10, 49, 97, 123, 189, 193, 200 



Fate of minerals in the soil, 202 



nitrogen, 184, 194 



Fertility of soils, 9, 36, 37, 38, 53, 59, 98 

 Festuca, 220 



elatior, 137, 221 



loliacea, 137, 221 



ovina, 137, 146, 152, 160, 161, 163, 169, 170, 174, 177, 180, 

 183, 191, 204, 221 



pratensis, 137, 221 

 Field woodrush (see Luzula) 

 Filices, 220 

 Foxtail grass (see Alopecurus) 



G-ALITJM, 220 



verum, 138 



Germander speedwell (see Veronica) 

 Gramineous herbage, 135, 137, 145, 146, 151, 155, 157, 160, 163, 



166, 169, 170, 172, 174, 178, 183, 187, 191, 192, 204, 208, 219, 



220, 222 



HAIR-GRASS (see Aira) 

 Hay, composition of, 142 



