however, entirely
limited to the tropic, for Tecoma of Mr. Brown is also found in latitude
34 degrees South, on which parallel it has been traced at least three
hundred and fifty miles in the interior to the westward of the colony of
Port Jackson.

ASCLEPIADEAE and APOCINEAE. Nearly the whole of the plants in the
recently formed herbarium, that belong to these natural families, have
been described from specimens formerly discovered upon the East and North
Coasts, several of which appear to give a partial character to the
vegetation of some parts of its shores.

Hoya (hardly Asclepias carnosa of Linne) Cynanchum, Gymnema, Gymnanthus,
Sarcostemma, and probably Secamone, as belonging to Asclepiadeae, and all
the genera of Mr. Brown (Lyonsia excepted) referred to the latter order,
exist on that extensive coast, where Balfouria and Alyxia have each an
accession of species. Of Strychnos, which is also frequent, and probably
produces its flowers during the rainy season (as has been remarked of
this genus in other countries) specimens in that stage of its
fructification are still a desideratum; all that is known respecting the
plant being the form and size of its fruit, which in some species varies
considerably.

GOODENOVIAE. The Herbarium contains very few specimens of this
considerable Australian family, the greater mass existing in and to the
southward of the parallel of Port Jackson. The order is reduced to
Goodenia, Scaevola, Velleia, and the tropical Calogyne on the North-west
Coast, and the few species of the two first genera prove to have been
formerly discovered upon the South Coast during the voyage of Captain
Flinders, of which one plant has alsa a much more extensive range than
has been given it heretofore. It is Scaevola spinescens, which forms a
portion of the harsh, rigid vegetables of Dirk Hartog's Island on the
West Coast, and from that shore probably occupies a part of a very
considerable extent of barren country in the interior, in a direction
towards the East Coast, having been seen in abundance in the latitude of
Port Jackson, so near that colony as the meridian of 146 degrees 30
minutes East. A new Velleia, discovered on the North-west Coast in
latitude 16 degrees, augments that genus, belonging to the section with a
pentaphyllous calyx.

RUBIACEAE. The existence of several plants of this extensive family in
the intratropical parts of Terra Australis especially when aided by some
individuals of almos