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 Rh neglect of these rules, but Van gradually impressed upon his associates the importance of allowing nothing to fall into the water supply of the Garden.

Before the later establishment of a sewage-disposal system the Edenites practiced the scrupulous burial of all waste or decomposing material. Amadon's inspectors made their rounds each day in search for possible causes of sickness. Urantians did not again awaken to the importance of the prevention of human diseases until the later times of the nineteenth and twentieth centuries. Before the disruption of the Adamic regime a covered brick-conduit disposal system had been constructed which ran beneath the walls and emptied into the river of Eden almost a mile beyond the outer or lesser wall of the Garden.

By the time of Adam's arrival most of the plants of that section of the world were growing in Eden. Already had many of the fruits, cereals, and nuts been greatly improved. Many modern vegetables and cereals were first cultivated here, but scores of varieties of food plants were subsequently lost to the world.

About five per cent of the Garden was under high artificial cultivation, fifteen per cent partially cultivated, the remainder being left in a more or less natural state pending the arrival of Adam, it being thought best to finish the park in accordance with his ideas.

And so was the Garden of Eden made ready for the reception of the promised Adam and his consort. And this Garden would have done honor to a world under perfected administration and normal control. Adam and Eve were well pleased with the general plan of Eden, though they made many changes in the furnishings of their own personal dwelling.

Although the work of embellishment was hardly finished at the time of Adam's arrival, the place was already a gem of botanic beauty; and during the early days of his sojourn in Eden the whole Garden took on new form and assumed new proportions of beauty and grandeur. Never before this time nor after has Urantia harbored such a beautiful and replete exhibition of horticulture and agriculture.

In the center of the Garden temple Van planted the long-guarded tree of life, whose leaves were for the "healing of the nations," and whose fruit had so long sustained him on earth. Van well knew that Adam and Eve would also be dependent on this gift of Edentia for their life maintenance after they once appeared on Urantia in material form.

The Material Sons on the system capitals do not require the tree of life for sustenance. Only in the planetary repersonalization are they dependent on this adjunct to physical immortality.

The "tree of the knowledge of good and evil" may be a figure of speech, a symbolic designation covering a multitude of human experiences, but the "tree of life" was not a myth; it was real and for a long time was present on Urantia. When the Most Highs of Edentia approved the commission of Caligastia as Planetary Prince of Urantia and those of the one hundred Jerusem citizens as his administrative staff, they sent to the planet, by the Melchizedeks, a shrub of Edentia, and this plant grew to be the tree of life on Urantia. This form of nonintelligent life is native to the constellation headquarters spheres, being also found on the headquarters worlds of the local and superuniverses as well as on the Havona spheres, but not on the system capitals.