BOTANICAL GAZETTE. 
origin to this cause is not usually well understood, or it may be not suspected ; 
and the fungi themselves are minute and obscure , are pec in thelr attacks, 
and difficult of control. Although the annual loss 
* ‘The topics treated are the diseases of potatoes and onions, rust and sails of 
grain, mildew and other eesecoe: of Bi , ergot, eek a in fbngs oie” and cab- 
bage, ‘mildew of peas, lettuce and tu 
few, like the clove 
ay 
f=] 
a 
pS) 
wee 
° 
Ss 
m 
— 
a good deal of that ee known i in America as Pegs 
ject elsewhere in this s journal. bi chapter on the passive state of the po- 
tato disease also needs critical siftin re 
The Agricultural j sited 8 tes. By Dr. George Vasey. Also, The 
Olenicl Compaction of American Gram By Clifford Richardson. Depart 
ment of Ageloulturs, 1884 bulk 
Pe Dr. Vasey has a a good thing for lager ires in publishing ora y : 
pamphlet. There e nearly 150 pages of te d 120 nee in 
a sa ultural grasses. It d ee a 0 : 
nats observer co aid ees f : this Sainanlet least a general — = 
. grasses ngs him. The plates will re than the text, 
nary : help him eed 
that, simplified as it has been, is unavoidably tacladisals although a goo a 
thei ro 
ry may enable vs to spell their way thr ic pits rises 
Montana, and the Rocky Mountain regi a more con way : 
other sections of our c untry, give additional interest. Mr Richardson's sb 
1S given in a tabulated form, and has a very direct bearin n the successiu 
cultivation of g ere can be no doubt that “h means armers 
will be | gs scientific knowledge of the ‘rata they chiefly cultivate, 
e leeleot whic ust have its influence in improved met s, and may act 
ii sant ard against much of the unutterable “ectentific” bosh 
certain agricultural papers. eee 
n Medicinal Plants: An illustrated and descriptive guide, ete. By Charies 
Ispangh, M, D. patie & Tafel, New York; Philadelphia. Nos. 1 
published ose 
America 
Mt Mil 
's is a very elaborate work, being issued in loose sheets ca Ne 
is meant to represent the American plants used as hom et ery 
The plants are all drawn by the author in situ, and are pure at 
. _ ch ains six speci asa ale ae ractiti jonert 
not. yi sed. The principal object lag a rstand its 
Only “to sree fresh material within Geir teich; but nie te Bove 
