BOOK-NOTES, NEWS, ETC. 191 
@ memoir on the structure of the stem in Dicotyledons, with a 
cri set smog ad of the subject. Then, in your series of eighteen 
paper e Journal and six in the Transactions of this Society, 
be pi to Systematic, Morphological, and Geographical 
the Hamamelidea, and the Olacinee, your ae talents ogee 
you to illustrate beautifully and accurately these memoirs 
second point I would mention is the high axotliediie of this wieks 
The investigations of more recent workers have confirmed, almost 
and elsewhere, notably in the Jcones Plantarum, which you have 
now edited for three years wholly yourself. Thus also, in 1862, 
when geologists were discussing the Atlantis hypothesis, you showed 
in your paper in the Natural History Review that the botanical 
evidence was against that hypothesis, but that a close connection 
existed between the Flora of Tertiary Central Europe and the 
existing Floras of Japan and the United States. The subsequent 
progress of a discoveries has ae oved the soundness of the 
it is enshrined in the Kew Herbarium, where it has contributed 
largely to Bentham & Hooker's Genera Plantarum, and to numerous 
memoirs which have been prepared wholly or in part at Kew. The 
last ge I need touch upon is your educational work. Your 
Lessons in Botany is the most useful elementary book we have; 
your “Bhaivadione oe ag Natural Orders and your Guides to the 
M at Kew have been eminently useful in 
in the see chair. With every St ih, I hand you the 
Gold Medal of the Society. r 
“Tue Russian Thistle” is the name by which Salsola Kali var. 
the pest, pointing out clearly and ae its modes of distribution 
and the conditions affecting its growth, and suggesting remedies 
for its ecg tion. ‘Place a Russian thistle in each school- 
of t 
they find it as they would kill a rattlesnake,” Two plates ac- 
company the repo 
