Correct spelling for erigeron

Medical definition of erigeron:

The dried leaves and flowering tops of Leptilon canadense ( Erigeron canadense), fleabane, mare's- tail, cow's- tail, colt's- tail, pride- weed, butter weed, horse weed, scabious; diaphoretic and expectorant in doses of 3 1/ 2- 1 ( 15. 0- 30. 0) of a decoction ( half- ounce to the pint).

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stinking hellebore

The rhizome of Helleborus foetidus, employed for the same purposes as black h. ...