33 



These 1^ varieties represent perhaps the best known and most care- 

 fully studied French cider apples. The chemical data which appear 

 in the accompanying table have been collected from the bulletin of the 

 Association Franc'aise Pomologique. 



For most of these varieties a very considerable number of analyses 

 are reported. Of these analyses the maximum and minimum deter- 

 mination for each substance are given, and then the mean of all the 

 determinations of each substance. While there are some very striking 

 differences between the determinations given in a number of instances, 

 yet it is perhaps fair to say that the mean results ought to be reliable 

 for the average composition of these varieties. Certainly no such 

 elaborate data an. 1 at hand for the compilation of average composition 

 of cider fruits of smy other country. 



To one familiar only with our best American varieties it is quite 

 startling to note specific gravity determinations reading as high as 

 1.133 and total sugar 24.31, as shown by Saint-Laurent, and 1.134 

 specific gravity, sugar 26.35, as shown by Bramtot. Rousse falls but 

 little below these. The above figures are, it is true, the maximum 

 given, but the means for sugar of these varieties 16.51, 19.05, and 

 IT. 19 grams per 100 cc (jf must are so far above the averages of 

 American or German fruits that the comparison is equally striking. 



The mean acid content is very low, falling far below the German 

 theoretical mean desired. In tannin these varieties exceed by far 

 those of other countries, but yet rarely show a quantity sensibly above 

 the theoretical minimum of 0.2 percent demanded by the French stand- 

 ard, and only in one case, Bramtot, reaching a mean which approxi- 

 mates the theoretical maximum quantity desired under the French 

 standard. 



The varieties in the following table are arranged in accordance with 

 the French seasons for cider apples: 



TABLE I. Maximum, minimum, and mean composition of 12 French cider apples, 

 specially selected as standard sorts by the Association Franqaise Pomologique. 



17247 No. 7103- 



