919 



275. Corylm. Five species ; 20, 13, L. 



Corylus Americana. Common hazel. The fruit is said to be 

 good in inflammation of the kidneys. The oil is supposed to be 

 anodyne, and good for the toothache. 



276. Fagus. Three species; 20, 13, L. 



Fagus ferruginia. Beech. This is a most valuable wood, and is 

 much used in the arts. A decoction of the leaves is useful in burns 

 and scalds, and for frost-bitten limbs. The bark, simmered with 

 oil or butter, is useful for the same purposes. The nuts yield a 

 good deal of bland oil, and they are pleasant to eat. Western 

 Massachusetts abounds in beech. 



277. Quercus. Eighty-four species; 20, 13, L. 

 Quercus alba. White oak. Off. 



278. Quercus prinos discolor. Swamp white oak. 



279. Quercus tinctoria. Black oak. Off. 



280. Quercus prinos acuminata. Yellow oak, and other species. 

 All the oaks are valuable timber trees, and the bark from them is 

 extensively used as an astringent and corroborant. 



281. Salix. One hundred and fifteen species ; 20, 2, L. 

 Salix ligustrina. Champlain willow. Off. 



282. Salix vitellina. Yellow willow. 



283. Salix Viminalis. Osier ; basket willow, and other speciea. 

 The bark of the willow has been employed as a substitute for Pe- 

 ruvian bark in intermittent fevers. The bark yields salicin, a sub- 

 stance similar to quinine, and employed in the same manner, and 

 for the same purposes. The dose of the salicin is from two to eight 

 grains. The decoction of the willow has been employed in foul and 

 indolent ulcers. 



284. Populus. Eight species ; 21, L. 



Populus tremuloides. Poplar ; American poplar. Sec. This is 

 the celebrated tonic bitter of the Thompsonians, or steamers. The 

 bark is somewhat astringent, and has been used in tanning. The 



