December, 1880.] 



145 



EUCALYPTUS GALLS. 

 BY R. McLACHLAN, F.R.S., <fec. 



I am indebted to Dr. M. T. Masters, F.R.S., editor of the 

 G-ardeners' Chronicle, for the opportunity of describing and figuring 

 two mo3t remarkable forms of Grails on Eucalypti from Australia. 



The singular mass of galls, of which a slightly enlarged figure is 

 given below, was sent from the Phytologic Museum of Melbourne, 



Australia, to Dr. Masters, by Baron Ferdinand von Mueller. These 

 galls were found by Mr. Tepper'on Eucalyptus gracilis at Spencer's 

 Grulf , South Australia. The branched twig before me (only a portion 

 of which is figured) bears several hundred galls, thickly clustered, and 



