ON THE PINES OF AUSTRALIA. 147 
graphical distribution, for it is found in all the States, but 
nearly always away from the coast. 
Remarks.—The specific name is happily chosen as the 
leaves partake of this glaucous character more than those 
of any other species of Callitris. It is a feature that 
differentiates it in herbarium material from all its congeners 
and it retains it wherever the trees grow either in the 
eastern, central or western parts of the Continent irres- 
pective of environment. The claims of this species to 
specific rank were apparent to us long before seeing Brown’s 
original specimens, and had Bentham seen Brown’s species 
(C. robusta, C. glauca, C. tuberculata, and C. verrucosa) in 
the field, he would not, we think, have Synonymised them 
(B. Fl., vi, p. 237) under C. robusta. Cunningham also 
regarded them as distinct, as shown by his specimens and 
MS. in the British Museum. Each of these species is 
readily characterised by the fruits alone, and even the two 
species C. verrucosa and C. robusta, with warted cones 
cannot be confounded. 
All the specimens collected by us and received from a 
very large number of correspondents go to show that this 
is primarily an interior species, although it does occur on 
the coast, for Moore’s specimens labelled C. glauca at Kew 
were collected in 1854 at Moreton Island, and Cunningham 
also collected itat Rottenest Island. Its coastal localities 
would therefore appear to be quite limited, or perhaps 
further investigation may prove the two latter to be C. 
arenosa and C. intratropica respectively. Amongst other 
differences from C. robusta, C. tuberculata, and C. verrucosa 
may be noted its thin cone valves and paler coloured cones, 
those three each having a black outer surface. Both C. 
arenosa and C. intratropica have thin cone valves, but the 
pronounced columns and the parallel edges of the smaller 
valves of the former and in the fruits and timber of the 
