434 THE BOTANISTS OF PHILADELPHIA. 



opposite to the entrance to Bartram's garden, is a plain 

 brick building, covered with ivv. In the garden of the 

 owner, William DeHart, near the rear end on a plot of 

 ground, sloping to the north, is a fine tree of Gordonia 

 pubescens, a descendant of one previously in existence in 

 Bartram's garden. Another descendant is found in Fair- 

 mount Park, along the south driveway near the Horti- 

 cultural Hall, also of good size. 



The Michaux Grove. One-half of the money left to the 

 American Philosophical Society, in 1825, by jNIichaux, the 

 French botanist, was given to the Fairmount Park xlssocia- 

 tion. A grove called the Michaux Grove has been begun in 

 AVest Park, near Horticultural Hall. It is to consist of two 

 specimens of every oak suited to the climate. 



TJie Woodland Ginkgo Tree. In " Downing's Landscape 

 Gardening " (7th edition, 1865, p. 26), the following occurs : 

 " The attention of the visitor to this place is now arrested 

 by two ver}^ large specimens of that curious tree, the 

 Japanese Ginkgo (Salisburia), sixty or seventy feet high, 

 perhaps, the finest in Europe or America." It was intro- 

 duced by William Hamilton, the owner of Woodlands, 

 from England, in 17S4. It is a male tree. It is still 

 regarded as one of Philadelphia's arboreal treasures, and 

 tree lovers from distant parts of the globe, when in the city, 

 journey to the cemetery to see the magnificent specimen. 



Zelkova crenata. Mr. William Hamilton, who lived at 

 Woodlands, planted many exotics for the first time in 

 America, and his garden was one of the most famous estab- 

 lishments of the kind in America. Among other trees he 

 introduced the Lombardy Poplar and the Norway Maple 

 into this country. AVoodlands was long ago converted into 



