﻿the Lower Susquehanna 487 



5. Asplenium Bradley i D. C. Eaton. On rocks, above the 

 mouth of the Tucquan, Small. 



6. Cheihmthcs lanosa (Michx.) Watt. On rocks, Safe Harbor 

 and McCaU's Ferry. 



7. Equisctum littorale Kuehlewein. Forster's Island, at Har- 

 risburg, and the island at Safe Harbor. Occurs higher up, on 

 the North Branch. A northern species. 



8. Equisetum fluviatile L. Islands at Safe Harbor. A moun- 

 tain species. 



9. Equisetum sylvaticum L. York County, opposite Marietta ; 

 Turkey Hill. Rare. 



ANTHOPHYTA. 



10. Pinus Strobus L. On a large, high, wooded island, at 

 McCall's Ferry. 



Ferry, Helh 



P 



M 



zosteraefolius Schum. Collins' Ferry. 

 pectinatus L. Safe Harbor. 



14. Potamogcton lonchites Tuckerm. Safe Harbor. 



15. Potamogcton Robbinsii Oakes. Safe Harbor. 



1 6 . Trip 



Safe Harbor ; Tucquan Island. 



17. Panicum polyanthes Schultes (P. microcarpon Muhl.) 

 Marysville ; Tucquan Island. Rare. 



18. Zizania aquatica L. Abundant in a large pond above 



Marietta, where it is visited by reed birds and rail. 



19. Miihlenbergia capillaris Kunth. Safe Harbor. The only 



known station in Pennnsylvania. 



20. Sporobolus heterolep 



S P 



W. Peach Bottom, / /. Carter. 

 ) Willd. Harrisburg; Collins' 



rry 



mouth of the Pequea. 



Meyer. On sandy flats, below the 



(M 



Safe Harbor. 



24. Mclica miitica Walt. Safe Harbor. Also on the Schuyl- 

 kill, at Reading. 



25. Panicularia clongata (Torr.) Kt/.e. On Reed's Run. A 



mountain species. 



