128 
EOYAL nORTICULTURAL SOCIETY. 
the quantity of the mineral manure was used (in boxes 2, 5, and 
6). A sufficient number of healthy plants, as nearly equal in 
vigour as could be picked, were selected for replanting in each 
box ; the remainder were buried beneath the prepared soil. In 
this way both the soil and the plants belonging to each box 
were replaced, without admixture with those belonging to other 
boxes. 
In the preceding season too many plants had been allowed to 
grow in each box, and no thinning was practised ; it was conse- 
quently difficult to remove the weeds and alien plants that sprang 
up in the several boxes without injuring the subjects of the ex- 
periments. To obviate these inconveniences it was decided in 
1870 to replant at equal distances, the number of plants and the 
distance apart being regulated by the size and vigour of the 
plant : thus when 16 were planted in each box, they were placed 
at 3 in. from the side of the box, and 6 in. from plant to plant ; 
and when 9 were planted in a box they were 4 in. from the side 
and 8 in. from plant to plant. 
The following list shows the number of plants in each box, and 
the time of planting. It may be incidentally observed that even 
in this second season, in spite of the drought, the plants became 
too thickly crowded ; and hence, in future experiments, it would be 
advisable to plant at greater distances apart. It should be noted 
that the plants were watered twice, on the 20th and 28th of April 
respectively, each box receiving two gallons of rain-water on 
each occasion. "With this exception they received no artificial 
waterings. As in the former season, a corresponding set of 
plants were grown in the same manures and soil, in pots in a 
cold frame ; but it was found as before that this mode of culture 
did not give trustworthy results, partly from the limited number 
of individuals, partly from the artificial treatment to which they 
were necessarily subjected. 
Notes on the Plants transplanted, 1870. 
Dactylis, replanted April 1 ; 9 average plants in each box. 
AnthoxantJmm, replanted April 1; 16 small bunches, as the single 
plants were too small and difficult to separate without injury. 
Lolium, replanted April 2 ; 9 bunches as nearly single plants as 
possible. 
Foa annua, replanted April 1 ; 16 small bunches in each box. 
