Each garden or field has its well; and even in
the hottest weather the Persian wheel floods the soil every third day.
It has been observed that the date-tree can live in dry and barren
spots; but it loves the beds of streams and places where moisture is
procurable. The palms scattered over the other parts of the plain, and
depending solely upon rain water, produce less fruit, and that too of
an inferior quality.
Verdure is not usually wholesome in Arabia, yet invalids leave the
close atmosphere of Al-Madinah to seek health under the cool shades of
Kuba. The gardens are divided by what might almost be called lanes,
long narrow lines with tall reed fences on both sides. The graceful
branches of the Tamarisk, pearled with manna, and cottoned over with
dew, and the broad leaves of the castor plant, glistening in the sun,
protected us from the morning
[p.404]rays. The ground on both sides of the way was sunken, the earth
being disposed in heaps at the foot of the fences, an arrangement which
facilitates irrigation, by giving a fall to the water, and in some
cases affords a richer soil than the surface.
