Under credit cards poor went to slaw art pedestrian and got a horribly art opopanax, a pgce and bribable milklike bugology.    From Wordnik.com.  [Rational Review] Reference

For many days now he had lain in bed in a room exuding silver, crimson, and electric light, smelling of opopanax and of cigars.    From Wordnik.com.  [Villa Rubein, and other stories] Reference

So the purveyors continued to mount to their apartment, and Ralph, in the course of his frequent nights from it, found himself always dodging the corners of black glazed boxes and swaying pyramids of pasteboard; always lifting his hat to sidling milliners 'girls, or effacing himself before slender vendeuses floating by in a mist of opopanax.    From Wordnik.com.  [The Custom of the Country] Reference

All over Europe, with the various tincture of differing national habit and custom, this was the mark of the sophistication of the poets, sometimes delicately and craftily exhibited, but often, as in foreign examples which will easily occur to your memory, rankly, as with the tiresome persistence of a slightly stale perfume, an irritating odour of last night's opopanax or vervain.    From Wordnik.com.  [Some Diversions of a Man of Letters] Reference

In light of recent events, the author’s description of fenugreek is prescient, The characteristic odor of fenugreek extract is a celery-like spiciness, a coumarinic-balsamic sweetness and an intense, almost sickeningly strong, lovage-like or opopanax-like note of extreme tenacity.    From Wordnik.com.  [Eye on Smell Culture: Fenugreek] Reference