Geology and Natural History. 149 
help to the student or collector who has not access toa full botani- 
eal library, and indeed most acceptable facilities to those few who 
ave. 
After thus calling attention to a volume of so much importance, 
we propose to restrict our comments to sundry details of criticism, 
or points of information, where opportunity occurs. 
nder Thalictrum Fendleri some synonyms en adduced which 
are not all certain; as there is another Oregon species which has 
been confounded with 7° dioicum, but is distinct from both in pt 
fruit, which was sparingly collected in the British Boundary ex 
pedition, and lately by Mr. Hall 
Ranu us alismeefolius var. montanus is essentially equiva- 
lent to the var. alismellus Gray; although the specimens from th 
“head of Provo River in the Ui ” are a stouter and Jarger- 
flowered form, identical with Parry’s No. 79, which we ha 
wrongly named when distributed and which may be rightly charac- 
terized as merely a dwarf mountain state of Geyer’s Ft. alisme- 
Solius, e may now add that there is a much older name ed 
eu 
ascicularis, there is no revere! evidence that this species 
extends to California, "Nevada, en to Oregon, nt 
referred to and so named in Lyall’s plaaain; though not in fruit, 
is ire the R. to. Halls a plant most rare in collections, 
Smith may also be of that species 
A yellow-flowered Aguilegia, with flowers rather smaller and 
Sometimes much smaller than those of A. Canadensis, thd with 
Spurs shorter than the widely spreading sepals, after the manner 
of A. formosa, and more or less curved (thus pppeoecens the 
European type), which has been collected by Lyall, 
A. flavescens 
' cultivated in European gardens, from seeds collected by Reezl, 
under the name of A. aurea, but it is doubtful if yet published 
Boo: oti d the interior 
ore constitute an important order in the inte 
basin and ao borders. One of Mr. Watson’s most notable dis- 
