Considering how short a time these tubers had
had to grow in it is not improbable that their hardness and disagreeable
taste were owing to their being unripe; no doubt young, green potatoes
(these Ullucus tubers were partly green) would be quite as nauseous as
these were.
[Illustration: MELLOCO TUBERS.]
We are told that the Ullucus is extensively cultivated in Peru and
Bolivia, in the elevated regions where the common potato also thrives,
and with which the Ullucus is equally popular as a tuber-yielding plant.
In the _Gardeners' Chronicle_ for 1848, p. 862, Mr. J.B. Pentland stated
that the Ullucus "is planted in July or August, the seed employed being
generally the smaller tubers, unfit for food, and is gathered in during
the last week of April. These two periods of the year are the spring and
autumn in the southern hemisphere. The mode of cultivation is in drills,
into which the root is dropped, with a little manure. The climate, even
during the summer season, is severe, scarcely a night passing over
without the streams being frozen over, the sky being in general cloudless
at all periods of the year except during the rainy season (December to
March). Mean temperature about 49 deg.
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