if the Ottawa and some of its Tributaries. 349 



Grains. 



5.00 

 29.50 



Carbonate of ammonia, - - . 



Carbonate of lime, - - . , 



Carbonate of magnesia, (F,) 33.7+1 gr. (E,) 34.70 



Carbonate of potassa, ^- - - ^ 3^00 



Chloride of magnesium, ' - - . i^92 



Chloride of sodium, (C, h,) 4.98 grs. +52.6 grs. (G, i,) 57.58 



Sulphate of magnesia, - - * - g^OO 



Sulphate of soda, - . - - - _ 5.45 



Sulphate of lime, - - ^ _ q 25 



Silica, - • - - ^ . 020 



Oxide of Iron, (D,) (F,) • ... l'sS 



Extractive matter, - - - - - 5 



150.10 



Gascons matler. 



Carbonic acid, 

 Atmospheric air, 



Cub. lu 



GS.57 

 4.57 



73.14 



Art. XVII[. — On^ the J^egetadon of the Ottawa and some of Its 



Trihittaiies (L. Canada.); hj Prot A. Benedict. 



Although the vegetation of North America is as diversified as Its 

 soil and climate, yet perhaps no one of its subdivisions exhibits a 



Hyde Park, May 20, 1830. 



* To THE EDITOR.— i?ear Sir, I send you a short paper <?» the vegetation of 

 ^^e Ottawa and some of its tributary waters, which I hastily tlrew up and read 

 hefore the CoU. of Nat. Hist, in the University of Vermont/' from notes and memo- 

 I'anda made, whilst botanizing along its bank in the summer of 1827. Although in 

 botany my collections embraced every thing I could find, with date of flowering, 

 ^c- yet as most of the indigenous plants oi that district are also found in the United 

 States, and many of those which are not, are carefully described and duly credited 

 in the useful work? of Prof. Eaton, and Toirey ; I have therefore at present only 

 'noticed such genera and species of plants as will, p.3rhaps, best illustrate the gen^ 

 eral features of the vegetation of the country, leaving a catalogue of all tliosc I found 

 there, to some future day, when leisure and opportunity will have enabled mc, u> 

 H'ttlc (ho character of such a.^ arc (0 mc, at present, dou'btful 



