﻿the Lower Susquehanna 493 



1 24. Diodia teres Walt. Chickies ; Peach Bottom. 



125. Mierampelis lobata (Michx.) Greene. Islands below 

 Harrisburg. 



126. Sambuens pnbens (Michx.) Chickies. York County, 

 opposite Safe Harbor. A mountain species. 



127. ElepJiantopus Car olini anus L. Below Peach Bottom. 



128. Eupatorium rotundifoliumL,. Island at McCall's Ferry. 



129. Eupatorium Jiyssopifolium L. Collins' Ferry; McCall's 

 Ferry. 



130. Eupatorium Torreyanum Short. Collins' Ferry. . 



131. Eupatorium eoelestuium L. Safe Harbor. 



132. Willoughbya scandens (L.) Ktze. Mouth of the Peq- 



uea. 



133. Clirysopsis Mariana (L.) Nutt. Peach Bottom. 



134. Solidago puberula Nutt. York County, opposite Mari- 

 etta. Probably brought down from the mountain-plateaus of Lu- 

 zerne County where it and the following species abound. 



135. Solidago odora Ait. Tucquan Island; McCall's Ferry. 



136. Solidago Canadensis glabrata Porter. Below the mouth 



of the Tucquan, Small. 



137- Solidago Purshii Porter. McCall's Ferry, on the York 

 County shore, where it was discovered by me in 1864. It grows 

 near the river's edge on rocks, subject to inundation and in similar 

 habitats elsewhere — on Onion River, Vermont, at the Great Falls 

 of the Potomac and on the Yadkin River, North Carolina. 



138. Boltonia asteroides L'Her. Harrisburg, on the islands; 

 Collins* Ferry ; Safe Harbor ; mouth of the Tucquan. Common 

 on rocks near the water's edge. 



139. Aster Pringlei Britt On the river flats near Harris- 

 burg ; Safe Harbor ; mouth of the Tucquan. 



140. Aster multiflorus Ait. Safe Harbor. 



Carter. 



ifolia L. Below Peach Bottom. /. /. 



142. Polymnia Canadensis L. York count)', opposite Mari- 

 etta ; Safe Harbor. 



143. Polymnia Uvedalia L. Turkey Hill ; Tucquan Island. 



144. Silphium trifoliatum L. McCall's Ferry, Garber. A 



western species. 



