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side of the river, a hostelry most pleasant, where comfort was 

 dispensed by the agreeable host, and where food was good and 

 in plenty, both prime requisites to a horde of hungry botanists, 

 whose appetites were none of the lightest after an all-day tramp, 

 with perhaps little if any refreshment for the midday meal. 



The little village of McCall's Ferry is located about twenty- 

 five miles north of Havre-de-Grace, on the west bank of the 

 Susquehanna, that river of rocks, shallow waters and varying 

 width. Below this point the stream is very wide ; for instance, 

 at Peach Bottom, a few miles below, it is about one and a half 

 miles from shore to shore, while but a short distance above the 

 hotel it is very narrow, and, as a member of the party expressed 

 it, the river appeared to have turned over on its edge, for at this 

 point it is extremely deep. Hills are on every side, and deep 

 and shaded ravines with purling mountain brooks are frequently 

 met with. The mountain-sides and ravines are often adorned 

 with large masses of RJiododcndron jnaxinmin, and as this was in 

 full bloom during our visit the effect was most charming. 



The river is filled with islands, some of these but small 

 rocks, while others are of considerable size, a mile or so in ex- 

 tent. This rocky feature seems to be characteristic of this river, 

 for at Harrisburg, where the writer spent many years, and at 

 Rockville and Dauphin, just to the north of it, the river presents 

 the same appearance. Many of these islands, high and dry at 

 the time of our visit, which was at low water, are aflood early in 

 the season, some of the smaller ones buried under many feet of 

 water, and places where we walked dry-shod would be a howling 

 chaos of rushing waters. The writer has often seen this same 

 river in these moods, and at such times it is not to be trifled 

 with. It is on these islands that many ])lants of unusual interest 

 to that region are to be found. One of these, probably brought 

 down by the river from its more northern reaches, is / \i-oiiica 

 scutellata L., hitherto, I believe, found no further south than 

 New York state. Its occurrence so far south was quite a sur- 

 prise, but its tenure may be but a short one, for the next high 

 flood may reach it and wash it away, and another botanical local- 

 ity will live only in history or in the few specimens preserved. 



