approximately ten times the amount of solvent. The moisture was 

 determined at 110 C and amounted to 6.73 per cent. The ash, taken 

 in a muffle furnace, amounted to 5.74 per cent and was alkaline to lit- 

 mus paper. The water-soluble portion amounted to 49.33 per cent and 

 contained chlorids, sulphates, phosphates, salts of calcium, magnesium, 

 potassium, and sodium. Water acidulated with hydrochloric acid dis- 

 solved 46.15 per cent of the ash, containing salts of iron, aluminum, 

 magnesium, calcium, and phosphates. The nitrogen, estimated by the 

 Kjeldahl-Gunning method, amounted to 2.07 per cent. 



RESULTS OBTAINED BY THE DRAGENDORFF METHOD OF ANALYSIS. 



The results of the analysis by the method of Dragendorff, slightly 

 modified, are as follows: , 



Per cent. 



Moisture 6.73 



Petroleum ether extract l 1.65 



Ether extract__ 4.29 



Portion soluble in water (probably an acid resin), 1.33 per cent. 



Portion insoluble in water but soluble in alcohol (consisting of chlo- 



rophyl and resin) , 2.96 per cent. 

 Absolute alcohol extract. _. 8.46 



Portion soluble in water, 7.60 per cent: 

 Tannin, extractive, etc., 7.26 per cent. 

 Sugar, etc., 0.34 per cent. 



Portion insoluble in water (acid resin), 0.86 per cent. 

 Water extract _. 17.90 



Total acidity required 34.4 cc N/10 KOH (phenolphthalein). 



Inorganic bodies, 2.83 per cent. 



Mucilaginous substance, 1.26 per cent. 



Glucoses, acids, and extractives, 13.81 per cent. 

 Dilute alkali extract (cold) _. 4.19 



Mucilaginous substance, 3.32 per cent. 



Probably albuminoids, 0.87 per cent. 



Dilute acid extract (cold) organic and inorganic material 8.48 



Fiber, cellulose, etc _. 48.64 



TotaL. 100.34 



Ash___ -.. 5.74 



Nitrogen ___ 2.07 



The petroleum ether extraction was accomplished in a Soxhlet appa- 

 ratus and was continued daily for about five days in order to obtain 

 uncolored petroleum ether in contact with the sample. The petroleum 

 ether extract left, on evaporation, a pale yellow residue which yielded 

 an acid solution when dissolved in alcohol. This solution, after being 

 titrated with standard potassium hydroxid, was filtered and the insolu- 

 ble portion transferred to a flask and saponified by boiling about three 

 hours with standard alkali, using a reflex condenser. 



1 An acid, oily residue, which required 3 cc N/10 alkali to neutralize the acid 

 and 4.5 cc N/10 alkali to saponify the fats, after separating the acid portion. 



