286 Scientific Intelligence. 
Atragene is reunited with Clematis, and Pulsatilla with Anemone, 
Todanthus and Turritis go into Arabis, and Arenaria now includes Al- 
this Manual amounted to 2166, which number has now been = 
ereased by the zeal and industry of North American botanists to 2357, 
The various Analytical keys have been prepared anew, and evidently 
with the greatest careful 
Botany, as taught for instance in Gray’s Lessons, these Analytical 
will not only open an easy way to find the name of an unknown plant 
aed “ge reveal much of the true relations of the plant to the whole 
eg Kingdom. 
_ 2 certain orders and genera the author has had the aid of collabora 
tors who have devoted special attention to their several department®, 
among whom Dr. Engelmann takes the lead : all such assistance is amply 
rop e. 
P 
As to thorough scientific arran and ac 
the gement, correct nomenclature, a 
curacy and clearness of the definitions, this Flora is almost ‘ng oH 
kind. whi uld — ican, and few European works of 
Sonus ye bear comparison with it; and it will be well for the 
i ike to the needs 
: : e cause of American learning if this Flora, suited alike 
