INHERITANCE THROUGH VEGETATIVE PROPAGATION. 13 



Table 6. — Average composition of strains of Lisbon lemons (Table 4)- 



Date. 



Number 

 of trees 

 sampled. 



Number 



of fruits 

 analyzed. 



Specific 

 gravity. 



Rind. 



Acid in juice. 



LISBON STRAIN. 

 1920: 



4 



10 

 8 



165 



200 

 293 



260 



0. 905±0. 0006 



. 888± . 0008 

 . 869± . 0005 



. 895± . 0008 



Per cent. 



40. 9=0. 20 



41. 9± . 09 

 43. 2= .11 



39. 4± . 15 



Per cent. 



8. 20±0. 01S 



1921: 



February 



May 



1922: 



January 



5.7o± .018 

 5. 47± . 010 



5. 64± . 010 









. 886± . 0003 



41. 8=b • 06 



5. 64-*- . 008 











OPEN STRAIN. 



1920: 



November 



1921: 



February . . ._'_:___"_. 



3 



i 

 7 



7 



150 



137 

 160 



228 



. 921= . 0007 



. 886= . 0007 

 . 891= . 0013 



. 893= . 0010 



37. 0= . 21 



40. 7= . 22 

 40. 9= . 20 



38. 3± . 13 



5. 50=h . 021 

 5. 24± . 027 



May -- . .- --- 



5.08± .011 



1922: 



January . .'.. . 



5. 32± . 013 













. 900= . 0001 



39. 5= . 12 



5. 23± . 007 











DENSE UNPRODUCTIVE STRAIN. 



1920: 



4 



5 

 7 



6 



150 



200 

 157 



162 



.900= .0008 



. 897= . 0010 

 . 896= . 0011 



. 907= . 0013 



40. 4± . 17 



40. 6± . 19 

 39. 6± . 15 



40. 1± . 15 



5. 94± . 0LO 



1921: 



5. 50± .018 



May 



5.09= .012 



1922: 



5. 51-*- . 016 













. 899= . 0005 



40. 2=b . 08 



5. 57± . 005 











BULL STRAIN. 



1921: 



8 

 10 



6 



g-ig 



280 



225 



. 892± . 0008 

 . 869= . 0006 



. 882= . 0009 



42. 2± . 17 

 45. 5± . 08 



40. 1± . 13 



5. 38± .015 



May... .. . . 



5.22=h .o:: 



1922: 



January 



5.72= .013 









. 877= . 0004 



43. 8± . 06 



5.42— .007 









