112 A. Gray—Memorial of George Bentham. 
assisted only in notes and preliminary studies by Baron von 
Mueller of Melbourne. About the same time he courageously 
undertook the still greater _. of a new Genera Plantarum, to 
be worked out, not, like that of Endlicher, mainly by the 
compilation of published dhateetore into a common formula, 
but by an actual examination of the extant materials, primarily 
those of the Kew herbaria,— this work, however, in conjunc- 
tion with his intimate associate, Sir Joseph Hooker. This work 
is the only Si production” in which Mr. Bentham ever 
engaged. relations and position of the two authors made 
the atcasion: every way satisfactory, and the magnitude of the 
task made it necessary. The training and the experience of 
the two associates were very different and in some ways cornple- 
mental, one having the greatest herbarium knowledge of any 
living botanist, the other, the widest and keenest “observer 
veteran was happily quite free from, and_ his companion 
heavily weighted by, onerous official tee and cares d 
so it came to pass that about two-thirds of. the orders and 
t 
Linnean Sodieny on the nineteenth of that month, specifying 
the conduct of the work and the part of the respective authors, 
was his last publication. 
In this connexion, mention should also be made of the 
essays (which he simply calls ‘““Notes”) upon some of the 
more fe ki orders which he investigated for the Genera 
Raphaveaves: the Orchis family, the Cyperacez and 
Gramines. These are not mere abstracts, issued in seas 
but critical dissertations, with occasional discussions of some 
with the volume ma ail up of his aiitvarsity addresses 
when preatidas of the Linnean Society, and the paper on the 
rogress and state of systematic botany, read to the British 
Association for the Advancement of Science in 1874, bees 
be much considered by those who would form a just i 
the largeness of Mr. Bentham’s knowledge and the shared 
of his work. 
