32 THE BOTANISTS ^OF PHILADELPHIA. 



rounding country for specimens. Those interested especially 

 in the advancement of the interests of this club are the 

 following ladies and gentlemen : Captain Charles Mcllvaincj 

 Mrs. S. T. Rorer, Dr. Henry Leffman, Mr. and Mrs. Talcott 

 Williams, and Theodore Rand, C. S. Ridgway, Dr. S. C. 

 Sch mucker, and Mrs. Theodore Ely. 



The Pennsylvania Forestry Association, organized in 

 1886, has done a great service to the State of Pennsylvania 

 in interesting its people in trees and in forest preservation. 

 As an outcome of this agitation under the leadership of the 

 Forest Commissioner, Dr. J. T. Rothrock, and by the official 

 organ of the Society, " Forest Leaves,^' three tracts of mountain 

 land have been designated as forest reservations. 



The Delaware County Institute of Science at Media, 

 Penna., founded in 1833, has for its object the diffusion 

 of general and scientific knowledge among its members and 

 in the community at large, and the establishment and 

 maintenance of a library and historical record and a museum. 

 The library of the Institute contains about four thousand 

 volumes, covering generally the subjects of science, history 

 and literature. The museum contains a large collection 

 of specimens, illustrating the fauna, flora and the minerals 

 of Delaware County. The local botanical and mineralogi- 

 cal collections are quite complete, well arranged, and 

 accessible to students of these subjects. The Indian 

 archeology of the county is well represented. The Institute 

 is divided into several sections, as follows: biological, 

 anthropological, physical and literary sections. 



The Wagner Free Institute of Science, at 17th and 

 Montgomery Avenue, Philadelphia, was founded by William 

 Wagner to advance the cause of science by popular lectures 



