11 
The tribe of Buchnereae consists of 5 genera, very much alike in 
the form of the corolla, and in the stamina, but there is a remarkable 
difference between the fruit of Buchnera and that of the four other 
genera. The latter (which, if considered as a separate group, might 
receive the name of Erineae) have the capsule of Stemodia and other 
neighbouring Gratioleae ; whilst in Buchnera the dehiscence is con- 
stantly loculicidal, the 'valves entire, and the dissepiment splitting 
near the centre, the greater part of it adheres to the valves, which 
are elastically bent back, as in Acanthaceae. The analogy of the 
section Campuleia to Orobancheae, has been already adverted to. 
Almost all the Cape plants usually considered as Buchneras, be- 
long either to Nycterinia or to the Selagineae. 
Nycterinia, appropriately distinguished by Don from the European 
Erinus alpinuSy and Manulea are both Cape genera, numerous in 
species, but little known. Sutera was formed by Roth on an East 
Indian species very near Manulea, and which, as far as I have been 
able to ascertain from dried specimens, is congener to the Capraria 
multijiday and perhaps to other American herbaceous Caprariae, of 
which it has much the habit. 
Buddlea, which I have considered as forming a tribe by itself, is 
very nearly related to Capraria. It has some affinity m the flower 
to Sutera on the one hand, and to Teedia on the other. It has also 
the fruit of the two former genera, and Capraria ought, perhaps, to 
have been conjoined in the same tribe. Buddlea is a numerous 
genus, and several species appear to be widely spread, and variable in 
the form of their leaves, on which account it is important the Mono- 
graphist who undertakes the genus should have a much greater 
variety of specimens than I have at present before me. 
Under the name of Teedieae I brought together the three baccate 
genera of Scrophularineae with which I was partially acquainted, 
without adverting to the tribe of Hallerieae having been already es- 
tablished by Link. It is probable that when these plants are better 
known, they will be other\Ndse distributed, but in the mean time they 
may be left bound together by this artificial character with Halleria, 
under the name of Hallerieae. Hemiphragma should, however, be 
rather considered as an anomalous Veronicea. 
Veroniceae appear to me to be a very natural tribe, notwithstanding 
some anomalies in Ourisia and Sibthorpia. I regret that my speci- 
mens of Disandra are too imperfect to form any idea of the real place 
of that genus. I have not either examined Geochorda, but it is 
evidently closely allied to Scoparia : Picrorhiza is a tetrandrous Ve- 
ronica, and Calorhabdos, on account of the form of the corolla, must 
be distinguished from Veronica, unless Wulfenia and Gymnandra be 
united with it. As to Veronica itself I have nothing to add to 
Duvau’s excellent general observations (Ann. des Sc. Nat. v. 8.), 
except that 1 cannot distinguish Paederota (P. buonarotay Ageria, 
&c.) either by any character or by habit. It is much to be regretted 
