The Vegetable Materia Medica, by the botanist William P.C. Barton, was published 1817-1819 in an edition of 500 copies containing fifty hand-colored plates. This offered one of the first illustrated books depicting medicinal plants native to America, allowing for their identification, and facilitating their use. Barton published widely on both botanical and medical topics, as well has having a reputation as an adept surgeon and a fine clinician skilled in the treatment of diseases. Both Barton’s classical background and his extensive knowledge of medicine are on display in this book. The text of Barton’s volumes explain the appearance, the habitat, and the genesis of each plants scientific and vulgar names, as well as their medical properties. The exceptionally-beautiful illustrations were hand-painted by Barton’s wife, Esther. Barton often offered multiple depictions of each plant, the first illustrating the plant as you might come upon it, in situ, and others showing the roots and the parts of the flower or leaves in detail. One plate illustrating purple skunk-cabbage is brilliantly-rendered as described by Barton in the text; Barton enumerates the plant’s virtues as a respiratory aid for asthmatics, as an expectorant, and as a useful antispasmodic. Barton treats each plant described similarly.

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Among the forty-six artists and scholars Maurits hired as his research staff to promote scientific studies in Brazil were the physician Willem Piso and astronomer Georg Markgraf, who arrived in 1638. The Historia naturalis Brasiliae, their collaborative illustrated folio volume, in twelve books, was published in 1648. Rich in description of native life, the book contains 446 remarkable woodcuts illustrating local flora and fauna, and comprises the most important early documentation of zoology, botany and medicine in Brazil. The woodcuts are based on an original collection of paintings and sketches, now lost; many of these original depictions were likely done by Markgraf himself.

The first four books were written by Piso, and deal mainly with diseases native to Brazil and their remedies. Piso, assigned as Maurits’ personal physician, turns his clinical eye to the ways of the native populations, from whom he makes several important discoveries. He offers a vivid account of a patient in the throes of tetanus, and suggests that the root cause of the ailment may be a minor wound, of the kind that craftspeople incur while working.

The remaining eight books, subtitled Historia rerum naturalium Brasiliae and mostly devoted to natural history, were written by Georg Markgraf. These sections were devoted to the medical uses of plants; to fish, birds, insects, quadrupeds and reptiles; and to full descriptions of geographic regions and their inhabitants. Images from two of these books, dealing with quadrupeds, and with insects, are pictured here.

Markgraf describes the appearance, habits, and environment of each animal depicted. Some of the four-legged creatures pictured have the names we might still use today: the armadillo, on page 231, would be recognizable as such to a child, as would a short-legged jaguar, on page 235. In other cases, it’s more difficult to link the textual description with the images– the placement of the woodcuts doesn’t always correspond with the text. Is, for example, the shaggy llama on page 244 the Peruvian sheep referenced in the header? Markgraf points out that the creature pictured has a two-toed foot on his back legs, just as a llama does.

The lushly illustrated and very beautiful frontispiece features a European traveler, presumably Dutch, reclining before two natives in a verdant green wood, teeming with wildlife.

Piso, Willem. Historia naturalis Brasiliae. Leiden, 1648.