THE BOTANISTS OF PHILADELPHIA. 243 



32. ''Notes on Harfordia, Greene and Parry." — Torrey Bulletin, 



XVI : 277. 



33. "New Varieties of well-known Species." — Torrey Bulletin, 



XVII : 15. 



34. "A new North American Aster, Aster Torreyi. " — Torrey Bulletin, 



XVII : 37. 



35. "A new Fern for North America."— To/vr^ Bulletin, XVII : 215. 



36. "A Botanical Trip into Northern New Jersey." — Torrey Bulletin, 

 XI : 90. 



37. " Notes from Pennsylvania." — Torrey Bulletin, XVIII : 85. 



38. "A new Liatris from North Carolina." — Torrey Bulletin, 

 XVIII, 147. 



39. " Iiespedeza striata (Thunb. ) Hook and Am." — Torrey Bulletin, 



XVIII : 306. 



40. "Ballast Plants at South Bethlehem, Pennsylvania." — Torrey 

 Bulletin, XIX : 9. 



41. "Some Additions to our eastern Flora." — Torrey Bulletin, 



XIX : 128. 



42. "Aster leiophyllus, n. six''— Torrey Bulletin, XX : 254. 



43. "Notes on Plants of our eastern Flora." — Torrey Bulletin, 

 XXI : 120. 



44. "Scutellaria resinosa." — Torrey Bulletin, XXI : 177. 



45. " Prunus Allegheniensis. " — Garden and Forest, III : 428. 



46. "The Table Mountain Pine (Pinus puugeus)." — Garden and 

 Forest, VI : 204. 



47. " Magnolia glauca. " — Garden and Forest, VII : 398. 



JOSEPH WALTON. 



Joseph Walton was born in Philadelphia in 1823, and 

 in the thirteenth year of his age was sent to AVesttown 

 Boarding-school in Chester County, Pennsylvania. Here 

 he imbibed some of the fondness for botany, which charac- 

 terized the intellectual atmosphere of the institution. The 

 school was located on a tract of 600 acres, a part of which 

 was traversed by the east branch of Chester Creek. A large 

 part was covered with woodland, and there was much 

 diversity in the surface features — hill and valley, swamp 



