32 



CRANBERRY CULTURE. 



expensive aTuount of drainage. The soil of gum-swamps 

 seems to favor the production of more grass than any 

 other swamp lands tliat we have prepared for the vines. 



"It is, however, a good sign to find gum-trees in abund- 

 ance, growing at the heads of streams, and all their small 

 tributaries, as it })romises an abundance of spring water 

 that may be needed further down the valley." 



For the purposes of cranberry culture, it is always es- 

 sential that swamps be surrounded by sand — coarse sand, 





t:^ 





AriJif/ 



'^fl, 



Fiff. 6.— SECTION OF SWAMP. 



if possible, it being less liable to pack than that which is 

 finer. The section, fig. 6, shows a swamj) favorably situ- 

 ated. 



Savannas, or groun<l lying between swamps and 

 upland, are ofttimes turned to good account, but they 

 contain a diversity of soils, which renders their selection 

 a matter of care. 



For instance, we not unfrequently find in them heath 

 ponds containing muck, ridges of black sand, and knolls 

 of white sand. A Savanna is represented in section in 

 figure 7. 



