410 THE BOTANISTS OF PHILADELPHIA. 



MKEHAN, JOSEPH. A horticulturist and botanist (brother of 

 Thomas). Germantown. 



MILNER, NATHAN.* 



MILLER, DR. MORRIS B. Media, Pa. 



M'MiNN, JOHN.* 



MCKENNEY, RANDOLPH E. B. Student in the Department 

 of Biology, University of Pennsylvania, where he 

 took the degrees of B. S. and M. S. Author of " Obser- 

 vations on the Development of Some Embryo-sacs," 

 Contributions from Botanical Laboratory, University of 

 Pennsylvania, II : 80, with plate. 



NIEDERLEIN, GUSTAVO. A German botanist from South 

 America ; Chief of the Scientific Department of the 

 Commercial Museums. He has traveled extensively 

 in South America, Europe, and the far East, and is 

 the author of a number of valuable botanical papers 

 in German, Spanish and English. 



NULL, AMOS B. Bon. view, Lancaster County, Pa, 



OMENSETTER, JOHN K. 



OTIS, Miss Lois M. Assistant in Botany, Girls' High School, 

 Philadelphia. 



PEIRCE, JOSHUA,* and 



PEIRCE, SAMUEL,* of East Marlborough, Chester County, 

 Pa., in 1800 began to adorn their premises by 

 tasteful culture and planting until they produced an 

 arboretum of considerable interest and importance. 

 The trees planted by them were many of them still 

 st;ii id ing in 1896, when the place was visited by the 

 writer, in company with Dr. AV. T. Sharpless, of 

 West Chester. A large and fine tree, in full flower, 

 of Magnolia macrophylla, was especially noted. 



* Deceased. 



