128 EUCALYPTUS. 



decortication; twigs red, or very young, greenish yellow. 



Var. Californicus. Bark sheds in short flakes leaving 

 new r bark smooth buff; outer color, rose grey; twigs and 

 branchlets green, only grey or brownish just before shed- 

 ding. Yellow flowering variety has green twigs but red old 

 branchlets. 



Eucalyptus obcordata. Same, except branchlets dark 

 red before decorticating, and only extreme new growth 

 green. 



Eucalyptus sideroxylon, bark red, often very dark, fis- 

 sured, rough, persistent. 



Branches in marked contrast, bluish grey, smooth, and 

 shed bark. 



Eucalyptus leucoxylon, bark smooth from decortication, 

 color blueish- white or very light buff. Twigs reddish, 

 new growth green. 



Eucalyptus robusta, bark rough, brownish or grey, per- 

 sistent ; twigs red. 



Eucalyptus pauciflora, bark smooth, white from decorti- 

 cation. 



Eucalyptus siderophloia, bark rough, persistent, brown- 

 ish grey. Branches smooth decorticating ; twigs red. 



Eucalyptus obliqua, bark rough, persistent, brown ; 

 twigs dark red. 



Eucalyptus botryoides (20 years), bark on main stem, 

 rough, persistent, dark grey, decorticates on branches, 

 outer bark, then tan colored, inner or new bark smooth, 

 shaded, sometimes olive or warm buff color. One specimen 

 at Scharffs sheds bark on main stem. This stem has 

 appearance of other botryoides branches. The twigs on 

 the persistent bark specimens are green, while on the 

 decorticating one these are wine red. 



