CALIFORNIA CITRUS CULTURE. 



15 



U. i-r.. U JU L 



- 



U... ... L 



L _______ L- ...... L... ..... u..-..,L ........ u 



:* 



t. ft. 



%. 



FIG. 2. The square system. 

 (After Lelong.) 



4, 



\ \ 



FIG. 3. The triangular or alternate 

 system. (After Lelong.) 



\,-- ..... t- ----- 1- ......... U ..... I. 



j\u ! "'--..I, i --4- ']''\ 



' ' ' 



4L 



_ ^L 



%_ 

 4. 4. 



%, 



4 



FIG. 4. The quincunx system, 

 (After Lelong.) 



"?' ''.' N *-"/:\ "]"' ' 7" 



lvU'::^.!-. U. .U, 

 '.'\> L - U'-' 



...u.. 



...u. ..t... 

 u t j. 



-.J^._ .L?.j 



u ; '--L. u %i . u v 



!...u ;ju...u;.:,u__ 

 . C^L-L 4. 4, i. 



FIG. 5. The hexagonal system. 

 (After Lelong.) 



