On the North American Utricularia. 79 



much a relative term, that it may only mean, they are large in 

 comparison with those of his next species, which he describes 

 with small flowers. 



U. biflora of Lamarck, not of Vahl. These two authors 

 must have described different plants ; of Lamarck's, the spin- 

 was uncinate — of Vahl's, straight. 



U. subulata of Gronovius. Of this, nothing worthy the 

 name of a description exists. 



Notice o/new Localities of simple Minerals, along the 

 north coast of Lake Superior, and in the. Indian Territory 

 NfV. from Lake Superior to the river Winnepec. By 

 Joseph Delafield, Esq. Agent of the United States for 

 Boundaries, &tc. Read January 19, 1824. 



At the entrance of Lake Superior on its north side, is a 

 spur of mountains, that extend themselves northward and west- 

 ward as far as the eye can reach, which is known as the Gros 

 Cap. It consists of sienitic granite, with a base of red feld 

 spar, and rises about four hundred feet. The red sand stone 

 of the St. Marys river rests upon its eastern declivity, and en- 

 tering the Lake westward, it passes into green stone. As it is 

 not intended by this notice to particularize the geological cha- 

 racter of the country, it is sufficient to remark, that, although 

 the Gros Cap is considered one of its most prominent features, 

 by the traveller who limits his journey there, that it is in fact 

 but the commencement of a similr.r chain of mountains, that 

 skirt the whole northern coast of Lake Superior. Granite, 

 (sienitic,) gneiss, and green stone, constantly alternate. The 

 green stone very frequently appears in perfectly well defined 

 and irregular dikes, showing their terminations on the Lake, 

 and it is frequently amygdaloidal. The highest cliffs are of 

 green stone. The two promontories, called the Pate and 



