THE BOTANISTS OF PHILADELPHIA. 431 



Philadelphia ; the painting was done by Joseph Chapman, 

 Philadelphia, and the masonry, by Moore & Scattergood.* 



Surrounding the horticultural building is an extensive 

 arboretum of many noteworthy trees. Gordonia pubescens 

 is one of the rarest and most interesting specimens found 

 here. Many of the old forest trees still remain to give 

 vigor to the landscape. Japanese cut-leaved maples, 

 oriental plants and exotic shrubs, make the place an 

 attractive and profitable one for the botanist to visit. The 

 ornamental grass bed, the cactus beds, the flower borders 

 and lily tank, display a large series of interesting plant 

 forms. The lotus pond, along the principal driveway, and 

 the rhododendron thickets, add to the landscape effects pro- 

 duced by judicious planting, f 



APPENDIX VI. 



A Short Sketch of Philadelphia Trees 



noted for their 



Historical or Botanical Interest. 



The North Brook Chestnut Tree. This tree at North 

 Brook, Chester County, Pennsylvania, is on the property of 

 Mr. Abraham Marshall (Forest Leaves, II, p. 35, with illus- 

 tration). At three feet above the ground it was twenty-five 

 feet and two inches in girth when measured on January 

 1, 1889. 



* See for account of Centennial Conservatory The Gardeners' Monthly 

 (Meehan's) XVII, p. 93 (1875). 

 t See page 33. 



