THE BOTANISTS OF PHILADELPHIA. 409 



Laubach, S. H. Riegelsvilks Ikicks ('ounty, Pa. 



Le Boutillikr, Rop,ekts. An orchid connoisseur, German- 

 town, Philadelphia. 



Legaux, Peter.* A vine grower at Spring Mills, Pa., 

 about 1800. See Bailey, "The Evolution of Our 

 Native Fruits," pp. 19, 25, 42. 



Leidy, Dr. Joseph.* A distinguished Ijiologist. His 

 herbarium is in the possession of the University 

 of Pennsylvania. 



Lewis, May. 



Lewis, Dr. F. W. A diatomist and microscopist. 



Lewton, Frederick L. One of the curators at the Phila- 

 delphia Commercial Museums, familiar with the 

 local flora and author of a paper on " The Classifica- 

 tion of Gums and Resins" — American Journal of 

 Pharmacy, 1899. 



Lochman, Charles L. A photographer of flowers and 

 plants, Bethlehem, Pa. 



Mack, I. Lathrop. Hammonton, N. J. 



Maclure, WiLLiAM.f A member of the Academy of 

 Natural Sciences, and its president for more than 

 twenty years ; was a successful London merchant. He 

 resided for many years in Philadelphia. He made a 

 geological survey of the United States, a description 

 of which was published in 1809. After him was 

 named the osage orange, Madura aurantiaca. 



Maison, Robert S., M. D., of Chester, Pa. 



March, Benjamin S. 



Matos, Louis J. Philadelphia Commercial Museums. 



* Deceased. 



t The Gardeners' Monthly (Meehan), II, p. 360. See for more extended 

 biography, Appleton's Cyclopedia of American Biography. 



