viii, a, 6 Pratt et al.: Nipa Palm 381 



Table II. — Samples of nipa juice collected near Malolos, December 1, 1912. 



No. 



Length 

 of stalk. 



Sucrose. 



Volume 



of juice 



in 24 



hours. 



Sucrose 

 in 24 

 hours. 



1 



cm. 

 30 

 60 

 50 

 55 

 35 

 37 

 70 



100 

 65 

 60 

 63 



110 

 90 

 65 

 70 

 60 

 70 

 50 

 60 

 70 



Per cent. 

 10.1 

 12.4 

 11.6 

 9.7 

 12.4 

 12.6 

 13.3 

 12.9 

 12.0 

 16.3 

 13.1 

 11.3 

 14.8 

 14.2 

 11.8 

 13.0 

 13.1 

 12.8 

 12.6 

 11.5 



cc. 

 420 

 380 

 500 

 730 

 620 

 630 

 590 

 940 

 510 

 380 

 460 

 470 

 510 

 320 

 450 

 480 

 540 

 550 

 530 

 740 



Grams. 

 42.4 

 47.2 

 58.0 

 70.8 

 76.8 

 79.4 

 78.5 

 121.1 

 61.3 

 58.2 

 60.3 

 53.3 

 75.4 

 45.5 

 53.3 

 62.4 

 70.7 

 70.5 

 66.8 

 85.0 



2 



3 



4 



5 



6 



7 



8. 



9 



10... 



11 



12 



13 



14 



15 _ 



16 



17 



18 



19 



20 _. 



Average 





13.0 



637 



69.8 







Table III shows the percentage of sucrose and purity of nipa 

 juice collected near Malolos, Bulacan Province, on January 10, 

 1913. It is evident that the purity as well as sugar c6ntent of 

 the sap has decreased to a considerable extent since the analyses 

 given in Table I. 



