66 HEATHS. 
North-West Australia and who published the first drawings of 
Australian plants, recedes from Sceevola principally in its anthers, 
connate like in Composite and in Lobeliaceee. There remains to 
be noted a herb of this order, with radical leaves and a head of 
pretty blue flowers, frequent on many of our meadows in spring ; 
it is the Brunonia Australis, on which the name of Robert 
Brown, the Naturalist of Flinders’s Expedition, and the main 
founder of the knowledge of Australian plants, has been bestowed. 
The Brunonia is distinguished from Dampiera by the unslit tube 
of its corolla, by the free calyx and albuminous seed. 
X.—_THE HEATHS 
AND ALLIED PLANTS. 
Onty two plants of this colony, the alpine Waxberry-bush 
(Gaultiera hispida) and the Whortleberry-bush of Mount Baw 
Baw (Wittsteinia vacciniacea) belong to the heath-tribe in the. 
truly scientific meaning of the word ; because all other heathlike 
plants of Continental Australia pertain to the allied order of 
Epacridez, distinguished from the true Heaths by their one-celled 
(never two-celled) anthers, which latter moreover never exceed 
in number the lobes of the calyx and corolla, nor open with 
pores, as is frequently the case with true Heaths or Hricacez. 
About three hundred Australian species of Epacridez are known, 
few existing beyond Australia and none in the northern hemi- 
sphere except the Sandwich Islands ; forty are found within the 
boundaries of our colony. A predilection exists of gathering 
these plants for collections ; hence a brief outline of our genera 
is given, which may serve likewise to demonstrate the particular 
value of characteristics for generic discrimination. The sepals 
are normally five in all our species ; and to this corresponds the 
