This may be readily distinguished from any harmful fungus by the pink colour of its gills, the solidity of its stem, the fragrant anise-like odour which it possesses, and the separability of its outer skin.
"Herbal Simples Approved for Modern Uses of Cure"
William Thomas Fernie
If only one of the factors is seen to be capable of existing without the other, and the latter to be such that it could not actually exist except as united with the former, so that the separability is not mutual, the distinction is regarded still as real, but only as a minor or modal distinction.
"Ontology or the Theory of Being"
Peter Coffey
In the third place it must be noted that separability in the sense explained, even non-mutual, is not regarded as the only index to a real distinction.
"Ontology or the Theory of Being"
Peter Coffey