Thoreau writes in his journal:
The medcoia has blossomed in a tumbler. I seem to perceive a pleasant fugacious fragrance from its rather delicate but inconspicuous green flower. Its whorls of leaves of two stages are the most remarkable. I do not perceive the smell of the cucumber in its root . . .
The constant inquiry which nature puts is: “Are you virtuous? Then you can behold me.” Beauty, fragrance, music, sweetness, and joy of all kinds are for the virtuous. That I thought when I heard the telegraph harp to-day . . .