Reproduction of an image that appeared in the botanical magazine vol. 5. No. 145 (1792). It depicts monarda didyma (then still called monarda fistulosa) by sydenham edwards. The above source is reproduce at nal, a us government site that has many images avail. This was selected over many alternatives. The site says it was published in 1791, reissued in 1796. Date: 1791.