oJtO THE BOTANISTS OF PPIILADELPHIA. 



10. "The Bald Cypress. "—i^ore.s^ Leaves, II : 110. Plate. 



11. "The Palmetto of the Southern States. "—Foms^ Leaves, III: 53. 

 Plate. 



12. " Dwarf Trees.''— Forest Leaves, III : 70. 



13. Eeview. " Leitfaden der Botanischeu Mikroskopie. AV. Behreiis. 

 Torrey Bulletin, XVIII : 88. 



14. Keview. " Ueber Schutzmittel des Laubes gegen Transpiration 

 besonders in der Flora Javas. " A. F. W. Schimper. — Torrey Bulletin, 

 XVIII : 217. 



15. Eeview. " Introdnctiou to Botany." Volney M. Spaulding. — 

 Science, N. S., 1 : 496. 



16. ' ' On the Relations of Sarracenia irarpurea to Sarracenia variolaris. 

 — Proceedings Academy of Natural Sciences, 1888 : 10. 



17. " Remarks on Death of Professor Asa Gray." — Proceedings Academy 

 of Natural Sciences, 1888 : 67. 



18. "On the Use of Bambusa Stem in Incandescent Electric Lighting." 

 Proceedings Academy of Xaturat Sciences, 1889 : 129. 



C. D. FRETZ. 



C. D. Fretz, M. D., was born in Bucks County, Penn- 

 sylvania, November 16, 1844. He acquired all that 

 was to be obtained in the public schools of the county ; 

 attended several terms at an academy at North Wales, 

 Pennsylvania, and prepared himself for the profession 

 of a teacher. He taught school for a number of years, 

 during wdiich time he accjuired a taste for the study 

 of botany, which he pursued with ardor, and which 

 has afforded him the only recreation during a long and 

 successful career in the medical profession. AVhile engaged 

 in reading medicine with his preceptor, Dr. J. S. Moyer, now 

 of Quakertown, Pennsylvania, who was then preparing a 

 catalogue of the Bucks County plants, he became deeply 

 interested in the work, and assisted him in exploring the 



