MALIC ACID. 163. 
vernal Grass (Anthoxanthum odoratum) is said to depend 
upon the presence of benzoic acid. It consists of 
Carbon, 14 equivalents 84 
Oxygen, D svesssevsseceny Oe 
Hydrogen, 5 .........+ cooee 5 
113 parts. 
6. MALIC ACID. 
611. This acid is found in Apples, Oranges, Barberries, 
Elderberries, Currants, Strawberries, Raspberries, &c. It 
has been found also in the Houseleek (Sempervivum tecto- 
rum), combined with lime, and in the berries of the Service 
Tree (Pyrus aucuparia.) 
Carbon, 4equivalents 24 or 40.68 
Hydrogen, $8 5.iascuc ee ie 5.08 
59 parte. «100 parts. 
7. GALLIC ACID, 
612. This is the acid which exists in the Gall-nuts, from 
which it takes its name. It is found in the bark of most 
trees of an astringent nature, as Oak (Quercus pedunculata), 
associated with tannin. It consists of 
Carben, 7 equivalents 42 
Oxygen, 5 ser-erovacerere 40 
Hydrogen, 3 ...... phn oe wes SE 
Sp 
