THE BOTANISTS OF PHILADELPHIA. 383 



could have a chance at it. She offered her services as 

 teacher, and put him to work at Gray's Lessons. 



In the fall of 1888, he entered the Freshman class of 

 Franklin and Marshall College, where the acquaintance of 

 a classmate, John K. Small, who was much interested in 

 botany, was speedily made. The two at once became insep- 

 arable companions, and spent all their spare time in 

 botanizing. During the fall of 1888, and spring of 1889, 

 not a week passed without at least one collecting trip being 

 made. It was mainly during this time that the fifty or 

 sixty additions to the known phanerogamous flora of Lan- 

 caster County were made. 



The vacation of 1889 was spent by Mr. Heller in the 

 neighborhood of his birthplace, the greater part with his 

 brother, A. C. Heller, at Berwich, Columbia County, Penn- 

 sylvania. While here, he began a correspondence with the 

 veteran botanist. Dr. Thomas C. Porter, of Lafayette College, 

 Easton, Pennsylvania, and collected a number of plants 

 for him. 



Having decided to visit his oldest brother. Rev. B. C. 

 Heller, then located near Salisbury, North Carolina, during 

 the vacation of 1890, Dr. Porter and Dr. N. L. Britton, of 

 Columbia College, New York, kindly advanced funds and 

 assisted him in disposing of sets of the plants collected. 



This visit to the " Tar Heel " State was a very enjoy- 

 able one, and introduced him to many new plants. The 

 greater part of the time was spent about Heilig's Mill, at 

 the parsonage, twelve miles south of Salisbury. Between 

 this place and Salisbury is a tract of granite containing 

 many rare plants. But the crowning event of the summer 

 was a visit to Blowing Rock, where some three weeks were 



