SPECIES OF EUCALYPTS NOW GROWING IN FLORIDA. 



19 



peratures of 27°. At Fort Myers and Tampa they have been killed 

 back by temperatures of 26°. This extreme sensitiveness to frost 

 when young limits the species to a comparatively small area south of 

 Fort Myers, unless young seedlings can be protected for a year or 

 unless they are set out early in the spring, which will enable them to 

 become sufficiently hardy by the next winter. 



Estero was the only place where blue gum was found in flourishing 

 condition and unaffected by temperatures as low as 26°. There 

 several specimens have grown as much as 9 feet a year during the first 

 three years, and made a diameter growth of more than 1 inch a year 

 on very poor soil, with rock close to the surface. 



Before any definite conclusion can be made with regard to the 

 growing of blue gum in Florida further planting is necessary within 

 its climatic range. While the tree can grow in a variety of soils, 

 except calcareous and brackish soils, experiences in Brazil and else- 

 where have shown that it does best on deep, fresh soils. 



The most common complaint against blue gum in Florida is that 

 it does not take root well and is frequently toppled over by the wind 

 on account of its poorly developed root system. Eight specimens 

 were measured, though a much larger number of trees were found 

 growing throughout Florida. 



Table 



-Eucalyptus globulus in Florida. 



Location. 



Age. 



Height. 



Diameter 

 breast- 

 high. 



Average 

 Height. 



annual 

 vth. 



Diameter 

 breast- 

 high. 



Killed 



back by 



frost. 



Temper- 

 ature. 



Soil. 





Years. 

 3 



3 

 3 

 4 

 5 

 6 

 6 

 22 



Feet. 



27 



28 

 35 

 30 

 25 

 22 

 22 

 37 



Inches. 

 3.9 



3.0 

 6.1 

 4.7 

 4.8 

 3.0 

 4.5 

 10.5 



Feet. 

 9.0 



9.3 

 8.8 

 7.5 

 5.0 

 3.7 

 3.7 

 1.7 



Inches. 

 1.3 



1.0 



1.5 



1.2 



1.0 



.5 



.8 



.5 





°F. 

 26 



Very poor soil with 

 rock close to sur- 

 face. 

 Do. 



Do 







Yes.. 







Estero 







Do. 



Do 







Do. 



Fort Myers 



Do 



Yes..... 



Yes 



Yes 



20 

 26 









West Palm 







Sandy. 



Beach. 2 



















1 Sprout. 2 Seedling. 



EUCALYPTUS GUNNII HOOKER ( CIDER EUCALYPT) . 



Only one specimen of the cider eucalypt was found, and this was 

 at Avon Park. It withstood a temperature of 22° without the least 

 injury. It is planted on deep, sandy soil, and during the nine years 

 made an average height growth of about 7 feet a year. This species 

 can probably be planted as far north as Eustis, since it has proved to 

 be frost-hardy in many other places where it has been grown. Thus, 

 at Canterbury, New Zealand, this species has been grown success- 



