24 Chimaphila umbellata. 
the other two, to the extent of a pint in twenty-four hours, In all, 
the diuretic effects are evident; and in one, where strangury was 
produced in an old man, by a large blister which had been applied 
for an affection of the side, the good effects of the infusion were 
evident in the speedy evacuation of water. Dr. Somerville says that 
“an ounce of the dried plant including root, stalk and leaves, cut 
small, and macerated twelve hours in two pints of cold water, then 
boiled till, it cree’. one— pint of strained . liquor, was found to act 
_greater energy than the infusion.” Mr. Carter found that 
‘esnamen ieee. avoirdupois of the recent herb, yielded four 
pounds of extract. Of this extract Dr. Somerville says he gave five 
scruples in twenty-four hours. The extract may be given in pills, 
or dissolved in a small quantity of boiling water. It appears that the 
Hurons and other Indian nations, are well acquainted with the ef- 
fects of this plant upon the kidneys. They have long been in the 
habit, Dr. Somerville tells us, of usin it “in all disorders which 
they ascribe to a diminished secretion hich they be- 
lieve will be cured sig an increase of t that secret on. sagitiey use it in 
ravelly complaints very cor amonly. so Its, nartore aie to be one of 
the p Decal « ssiieiens of the Mesetii Medica of the Indians; and in a 
paper by the late professor Barton, published in the 7th volume of 
the Medico-Chirurgical Transactions of London, he intimates that 
the mngpledee the whites have of the use of this article in calculous 
Pit ions, was derived primarily from the savages of our country. 
The Le or Says in the same paper, that, “all his trials and i inqui- 
- ries 3 respecting this plait had convinced him that it is an important 
