"There is a natural rotation of crops, as yet little understood,"
says Miss Going. "Where a pine forest has been cleared away, oaks
come up; and a botanist can tell beforehand just what flowers
will appear in the clearings of pine woods. In northern Ohio,
when a piece of forestland is cleared, a particular sort of grass
appears. When that is ploughed under, a growth of the golden
coreopsis comes up, and the pretty yellow blossoms are followed
in their turn by the plebeian rag-weed which takes possession of
the entire field."
The charmingly delicate, wiry GARDEN TICKSEED, known in
seedsmen's catalogues as CALLIOPSIS (Coreopsis tinctoria), which
has also locally escaped to roadsides and waste places eastward,
is at home in moist, rich soil from Louisiana, Arizona, and
Nebraska northward into Minnesota and the British Possessions.
>From May to September its fine, slender, low-growing stems are
crowned with small yellow composite flowers whose rays are
velvety maroon or brown at the base.
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