8 THE GROWTH AND PARTS OF PLANTS 
sawdust, and the seed placed between 
this and the glass. If the lamp chim- 
ney is used, roll the paper into a tube 
smaller than the chimney and slip it 
in. Now put the peat moss inside, 
not very tight. The seeds may be 
started between the glass and paper, 
and with a blunt wire may be pushed 
into any position desired. 
The seeds first absorb water and 
swell. Before the seeds are planted 
for this study they should be soaked 
from twelve to twenty-four hours m a 
water. Then they may be placed in 

re is 3 Cae the germinator for observation. Look 
growing in lamp chimney. ot the seeds in the water several times | 
during the day, and see what changes take place in them. 
All of them become lar- 
ger. After they have 
been in the water for a 
day, cut one, and also 
try to. cut one of the 
dry seeds. The seed 
that have been soaked 
in water are softer and 
larger than the dry seed. 
oe ee ae par a? rs 

Fiq. 14. Box with glass door on side for 
Why is this SO ? it must growing seedlings. 
