Botany and Zoology. 133 
ranges the genera according to progressive complexity, or perfection of 
floral structure 3 beginning with those that are dicecions ( Hydrostachys,) 
or androgynous, and destitute of flural envelops, and ending with those 
that have a true perianth and perfect flowers. Yet even those of com- 
tangs medicine, food, cordage, dyes, &c., being separately enume- 
tated. It affords much interesti ng information respecting a country with 
follow: numbers of our own people now have much to do. e 
posits a few pages of the Flora itself, which is here carried only 
‘ ugh some of the earlier families. We are glad to see that the 
3 ie? : ‘ : m A. Gc. 
fase \"alpers, Annales Botanices Systematice, tom. ii, pp- 1125, iii, 
esti p- 786, 8vo, 1851-52: Leipsic.—The former volume, pub- 
st 't 1848-9, pave the characters of all the species, as far as known 
how needful is such a compilation as the present. The 
Work has cost great labor; and even the few who have access to full 
botanical libraries will be thankful for it, although the pages abound 
wn of the press, and slips or less venial mistakes of the trans- 
NO areal The Genera Am. Bor. Or. Hlustrata, vol. i, is everywhere 
: - Engelmann, under his own name, are attributed to | 
er. 4, for instance, the Portulace on p. 660, et. seq., and the Cac- 
8 P- 680,684, and 686. 1: ci 
ie = ‘ansoury’s Expedition to the Great Salt Lake-—We have briefly 
this very valuable Report in volume xiv, at page 291; and on 
