14 
SEED DISPERSAL. 
barren strawberry, cinquefoil, strawberry geranium, and 
orange hawk weed. Plants of the star cucumber, one- 
seeded cucumber, grapes, morning-glories, and others, 
spread more or less over bushes or over the ground, and 
are thus enabled to scatter seeds in every direction. 
9. Branches lean over and root in the soil. — A black 
raspberry grows fast in the ground and has to stay in one 
spot for life. It has neither legs, feet, nor wings, and yet 
it can travel. The bush takes deep root and spreads out 
its branches, which are sometimes ten feet or more in 
length ; the tips of these branches curve over to the 
ground six feet away, and finally take root ; from these 
roots new colonies are formed, five to twenty in a year 
from one bush. 
True, the old roots do not get far, and the new plants 
only get about six feet in one season, but they have made 
some progress. This is rather slow locomotion, you say ; 
but let us look a little farther, remembering that a seed 
