THE BOTANISTS OF PHILADELPHIA. 401 



Mr. MacElwee resigned his position as gardener to accept a 

 position elsewhere in a private demesne. Recently he has 

 become Curator of the Herbarium started in connection 

 with the Philadelphia Commercial Museums, and has begun 

 its development by initiating a correspondence and exchange 

 with botanists in different parts of the world. He has 

 written these articles : 



1. "Notes on some Species of Cucumis." — Garden and Forest, VIII: 

 475. 



2. " Vitis pterophora. " — Garden and Forest, IX: 315. 



3. "A Few Mormodicas." — Garden and Forest, IX : 66. 



MORRIS E. LEEDS. 



Morris E. Leeds, born in Philadelphia, March 6, 1869 ; 

 educated at Westtown Boarding School and Haverford Col- 

 lege, graduating B. S. in 1888; taught natural science 

 at Westtow^n, 1888-89 ; studied physics and mathe- 

 matics at the University of Berlin, 1892-93. Engaged in 

 the manufacture and sale of scientific instruments with 

 Queen & Co. Member of the Philadelphia Botanical Club 

 and the Torrey Botanical Club. 



JOHN GIFFORD. 



John GifFord w^as born at May's Landing, New Jersey, 

 February 8, 1870. When about sixteen years of age, he 

 entered Swarthmore College, and was graduated from that 

 institution with the degree of B. S. While at college, he 

 devoted considerable of his time to general natural science, 

 and after graduation he spent one year as a special student 

 of mycology at the University of Michigan. The following 

 winter, 1892-93, Mr. GifFord traveled through the Bahamas 

 and Florida. In company with Rev. John E. Peters, he 

 has botanized considerably through southern New Jersey, 

 and is one of the best posted persons on the flora of that 



