(6) The plant might also be considered worthy of veneration because from its crushed leaves, petals, stalks, or roots could be extracted healing unctions, essences, or drugs affecting the nature and intelligence of human beings--such as the poppy and the ancient herbs of prophecy. The plant might also be regarded as efficacious in the cure of many diseases because its fruit, leaves, petals, or roots bore a resemblance in shape or color to parts or organs of the human body. For example, the distilled juices of certain species of ferns, also the hairy moss growing upon oaks, and the thistledown were said to have the power of growing hair; the dentaria, which resembles a tooth in shape, was said to cure the toothache; and the palma Christi plant, because of its shape, cured all afflictions of the hands.

(14) But the bitter spirit is the chief cause of the black earth, for through its fierce bitterness the Salitter became killed in its outermost birth or geniture, from whence existed the wild or barren earth.

(26) Go into a Meadow, and look upon the Herbs and Flowers which grow all out of the Earth, and always one is fairer and more fragrant in Smell than the other, and the most contemptible [Herb] has many Times the greatest Virtue. Now then the Physician comes and seeks, and often turns his Mind to the lustiest and fairest, because they thrive so in their Growing, and smell strong; then thinks he, these are the best; whereas many Times a small regardless Herb will serve his Turn better in his Physick for his Patient, whom he has under cure.