cromniomancy

cromniomancy Divination with names, significant happenings, or missing persons which were written on onions, planted, and observed to see which one would sprout first. The onion which sprouted most rapidly indicated that the person whose name had been inscribed on it was enjoying vigorous health. Another application was that wishes would come true
Found on http://www.wordinfo.info/words/index/info/view_unit/2725/5

Cromniomancy

Cromniomancy is divination by onions. It is usually done by interpreting their sprouting behaviour, after some kind of ritual to state the topic of the divination. This often involves inscribing the onions, dedicating them on an altar or something similar. But cromniomancy is/was also done in idiosyncratic way not involving sprouting them. It is n
Found on http://en.wikipedia.org/wiki/Cromniomancy
No exact match found