40 
with the proper development of the new root system, which 
is always damaged to some extent when trees are moved. 
Similarly, it is advisable when Raspberry canes are newly 
planted to cut them down to within eight or ten inches of 
the ground, so that they should not exhaust themselves 
during the first year, as that would prevent the formation 
of strong new shoots for the next season. = 
As ripening fruits require a large amount of nutrition, 
it is important to see that the stimulating treatment we 
give to plants which are bearing, should not _be used for 
the production of vegetative shoots. In Tomatoes the 
growth of such shoots should be checked when the fruits 
are maturing. It is also advisable to reduce the foliage 
a little so that the fruits are not shaded. Excessive 
defoliation, however, will prevent the fruits from attain- 
ing their full size as the leaves are the seat of formation 
for the organic material which the fruits require. 
Wien fully mature the seeds inside the fruits will be 
found to be surrounded with a hard seed coat, within 
which we have the minute seedling either containing its 
store of food material in its fleshy seed leaves as in the 
Pea or Bean, or surrounded with a supply of nutriment as 
in the case of the Wheat grain. The food material is 
usually largely starchy or oily, but in addition there 
is a smaller amount of the essential nitrogenous material 
so important to the plant and so essential to man. Of all 
cereals Wheat is the richest in nitrogenous material, while 
all leguminous seeds, thanks to the help which their 
parent plants have received from the nitrogen fixing 
bacteria in their root tubercles, have a great abundance 
of organic nitrogen compounds. This is the cause of 
their great nutritive value to mankind. 
