144 PLANT AND ORGANIC CHEMISTRY 
the chlorophyll of the leaves. On evaporating, the ethereal 
residue was amorphous and of a green color. The aqueous 
extract obtained from treating this ethereal residue was neutral 
in reaction and bitter to the taste. It contained no gallic 
acid, tannin, or glucosides. It was agitated with acetic ether, 
and the solvent removed a solid, which under the microscope 
proved to be white-needled shape crystals arranged in bundles. 
Potash solution formed a yellow-colored mixture with the 
crystals ; hydrochloric acid discharged the color. The subject 
has been too little studied to state definitely if these crystals 
are or are not identical with the crystals found in the ethereal 
extracts (i) and (2). But it should be noted, that unless the 
crystals from ethereal extract (3) are brought into aqueous 
solution mechanically by some compound not present in ethereal 
extracts (1) and (2), the indications are in favor of the crys¬ 
tals from (3) not being identical with them; for the crystals 
from (1) and (2) were insoluble in water and not removed by 
acetic ether. 
The ethereal residue was treated with acidulated water and 
tested negatively for alkaloids. 
The ethereal residue insoluble in water was a mixture of 
two resins (1) and (2). The one (1) was dissolved by abso¬ 
lute alcohol, the other (2) was mostly soluble in ether. The 
alcoholic residue was crystalline. It was insoluble in acetic 
ether, but was saponified with alcoholic soda. The ether resi¬ 
due was a resin anhydride; it was insoluble in alcohol, and 
in alcoholic or aqueous alkalies. 
The amorphous and green-colored ethereal residue was not 
entirely redissolved by cold ether. It was soluble in chloro¬ 
form, benzole, and carbon di-sulphide; incompletely soluble 
in cold alcohol, and insoluble in amyl alcohol. It was slightly 
soluble in 95 per cent, alcohol and in acetic ether. The latter 
separated the green coloring matter from it. The resinous 
mass insoluble in acetic ether melted at 8o° C. It was not 
saponified. This resinous mass insoluble in acetic ether is a 
mixture of the two resins just described (1) and (2). It was 
noticeable that the resinous mass was not saponified. Resin 
