234 THE BOTANISTS OF PHILADELPHIA. 



died, leaving a wife and four daughters. Grace Anna was 

 then not three years old. Before her marriage the mother 

 had been a successful teacher, at first of her own brothers 

 and sisters, and later of large and flourishing schools. She 

 was eminently fitted for the task of educating her children. 

 After twenty-four years of widowhood she died, leaving her 

 oldest and youngest daughters with Grace Anna, in the 

 home known as " Sunnyside." Grace Anna studied for the 

 love of it in prosperity, and it became her consolation in 

 sorrow. 



She first studied botany, as a school-girl, under Abigail 

 Kimber, of Kimberton, Pennsylvania, a friend and corres- 

 pondent of William Darlington, and her name, in acknowl- 

 edgment of plants found in her neighborhood, occurs in the 

 " Flora Cestrica." Miss Lewis began teaching botany in 

 1840. In the field of general natural history her most 

 important work has been the preparation of a " Chart of the 

 Class of Birds;" a "Chart of the Vegetable Kingdom;" a 

 " Chart of the Eaces of Men ; " a " Chart of Geology, with 

 Special References to Paleontology ; " " Microscopic Studies, 

 including Frost Crystals and the Plumage of Birds, as well 

 as the Lower Forms of Animal and Vegetable Life ; '' 

 " Studies in Forestry with original Paintings of Forest 

 Leaves ; " " Water Color Paintings of Wild Flowers," and 

 illustrations for lectures on plants and animals. In 1869 

 she printed a small pamphlet showing the relation of birds 

 in the animal kingdom. That pamphlet was the result of 

 long studies, both in her home and on the old farm, and 

 with the benefit of the library and collection of the Aca- 

 demy of Natural Sciences, Philadelphia, under the direction 



