Solution

(related to Problem: Jack And The Beanstalk)

The serious blunder that the artist made in this drawing was in depicting the tendrils of

a425

the bean climbing spirally as at $A$ above, whereas the French bean, or scarlet runner, the variety clearly selected by the artist in the absence of any authoritative information on the point, always climbs as shown at $B.$ Very few seem to be aware of this curious little fact. Though the bean always insists on a sinistrorsal growth, as $B,$ the hop prefers to climb in a dextrorsal manner, as $A.$ Why, is one of the mysteries that Nature has not yet unfolded.


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References

Project Gutenberg

  1. Dudeney, H. E.: "Amusements in Mathematics", The Authors' Club, 1917

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