242 — Scientific Intelligence. 
There is a short chapter upon enigmatical descriptions or botan- 
ical riddles, and how they come about. The author has taken 
the pains to collect and tabulate the “ species dubiz” of the last 
four volumes of the Prodromus, to see who is accountable for them, 
taking into account only botanical authors no longer living, 
and excluding those who have contributed no more than three. 
o good a botanist as Blume heads the list; one so indifferent as 
Siebold is accountable for the fewest; so not rect comes from 
such a tabulation. The practical point is that Blum , as well as 
igh o 
absence, the name of Torrey is inserted between that of the elder 
DeCandolle and that of the elder Hooker 
In the chapter on the description of groups superior to species, 
the author enumerates and sketches the character of the six 
Genera Plantarum which have appeared within the 180 years of 
modern botany ; the immortal works of Tournefort Se gsiesere ie 
1700), Linneeus (the first edition of whos mera was publis 
in 1 ; L, Jussieu (1789), Endlicher Leas 1840), “vom 
(1836-43, which is much less known), an of Bentham an 
e 
discerning affinities, the former for the perfection of his style; 
and to Bentham and Hooker is tality awarded the crowning 
are discussed in Cha ter I , 48 in more general ca 
abridged seat gt or diagnoses bation, indeed are preferable in 
all cases where region has been pretty well explored, and 
