REGIONS AND AREAS OF DISTRIBUTION. 
503 
Table 7. Connexions between South America and Australia. 
Genera. eee Australian representatives. 
CENTRATHERUM | 2 South-American species. 1 species identical with one of the 
: American ones. 
Connexions ...... Oiospermum, 1 species, and very nu- | Pleurocarpea, 1 species, not very near, 
merous Vernoniacez. and no other Vernoniacese. 
ASTER type ......... Chiliotrichium, 3 species, quite Olearia about 80 species, Australia 
2 Southern. and New Zealand. 
Connexions ...... Diplostephium 18 Andine species, | None nearer than Erigeron. 
ERIGERON type 
_ (for Erigeron 
itself see Table 8) 
Connexions 
PTEROCAULON 
Connexions 
ECLIPTA (see also 
Table 4)......... 
Connexions ...... 
FLAVERIA 
Connexions ...... 
ERECHTHITES ... 
Connexions 
CENTAUREA 
Connexions 
TRICHOCLINE...... 
Connexions 
MICROSERIS 
, Connexions ...... 
and, through them, the northern 
and western Asters. 
Vittadinia, 1 species, Podocoma, 5 
species. 
Erigeron about 14 species, and, 
through them, with Sommerfeldtia 
and the northern and western 
Asters. 
4| 6 species, mostly tropical or even 
northern, 
Tropical, with Epaltes, Pluchea, and 
allies. 
2 Chilian species (besides the cos- 
mopolitan one). 
Leptocarpha, 1 Chilian species, and 
eee Verbesinese generally. 
"f erican species, chiefly southern 
and western. 
Sartwellia, 1 North-west American 
species, and more distant with the 
agetines, all American. 
Plagiocheilus, 6 South-American spe- 
cies. 
Soliva, 4 South-American extratropi- 
cal and tropical species. 
Abrotanella, 1 Antarctic American 
species. 
None nearer than Artemisia. 
7 tropical or western species, 1 ex- 
tending to North America. 
The cosmopolitan Senecio. 
5 Chilian species. 
None except 1 North-American spe- 
cies; the numerous other species 
and allied genera all northern Old 
World. 
About 20 American, chiefly southern, 
species. 
Chaptalia, 18 American species, and, 
through them, many American Mu- 
tisiacese. 
1 American extratropical and several 
North-west American species. 
None southern nearer than Hypo- 
cheris; in the north Krigia, and, 
through it, other Cichoriacez. 
Vittadinia, 4 species, Podocoma, 1 spe- 
cies (none identical). 
Erigeron, 4 species, but no other 
nearer than Olearia. 
1 spor om only 2 Australian, the 
others North - Caledonian, and 1 
South-Asiatic. 
Epaltes, 2 species, but no others near. 
1 Australian and South-east Asiatic 
species (besides the cosmopolitan 
one). 
None near, and very few more dis- 
tant Verbesinez. 
l species closely representative of 
the commonest American one. 
None. 
Cotula, section Leptinella, 3 Austra- 
lian species and of various sections, 
1 ew-Zealand and Australian 
species. 
Soliva, 1 species, identical with one 
of the South-American, 
Abrotanella, 3 Australian and 4 New- 
Zealand species. 
None. 
6 Australian and New-Zealand spe- 
cies, 1 (colonist ?) in South Asia. 
The cosmopolitan Senecio. 
1 Australian species. 
None. 
1 Australian species. 
None. 
1 Australian and New-Zealand spe- 
cies. i 
None except colonists. 
The amphigeous races enumerated in the above Table are of a 
very mixed 
geographical character. 
The Vittadinia, Podocoma, 
Pterocaulon, Eclipta, and Erechthites are subtropical ; and although 
they have no representative, except presumed colonists, in tropical 
Africa and Asia, and therefore did not find a place in Table 3, 
