1886.] BOTANICAL GAZETTE. 99 
Tamarack in Indiana. 
nce writing my oir fe n the “Origin of the Rg sale of Indiana,” I have 
have also heard of other cases in whic pieces apparently of the same species 
have been found in various similar situations throughout the southern part ‘i 
the state. Now we have only a very few in exceedingly favorable places 
extreme northern counties. Prof. is found at least some of its near con- 
geners among the specimens from the cretaceous rocks of Arctic North Amer- 
ica. These facts help confirm the conclusion that our flora Speen ted in the 
far north, was driven south during the glacial _ and again north tg 
subsequent periods, mg distributed as we now find i. heron 
Crawfor Gistlle, Te ae 
The Fertilization of ameennts Americana. 
Tn under this title read before the A. A. A. S., and published in 
bei aha tr P Vol. x. p. 349), I described the introversion of the hairs on the 
style. reiene referred to Strasburger’s confirmatory account of C, Tipcaenialial. 
nw hha ot : < ‘ 2 
arks ; 0 
n Hooker’s Journal of Botany, vil “ isi 92. Respecting C. Boipes eer 
Mr. * Wien wi. "The simply pollen-collectors, and nothi 
ey discharge es, fancies idinirably ; and having perfor ng it they 
b XOS- 
ned i it 8 prope 
given to Wilson for an observ i far antedeling ySirasburger sand mine. Thus 
pa we, for lack of knowing wat "has been done, grind ov rs and over the same 
ist. Ye 
Cambridge, Mass. 
CURRENT LITERATURE. 
Report of the Botanist to the New York Agricultural Experiment Station. By J. C. 
Arthur. Extracted from the third annual repo rt for 1884, pp. 353- 385, and 
from fourth annual report for 1885, pp. 341-265 " 
. Professor Arthur was appointed botanist to the New York Agricultural Ex- 
periment Sta tion in are 1884, These two reports embrace the results of his 
investigations for the years 1884 and 1885. These have b ly co to 
- th ungous diseases, and es ose of cultivated Binet 
eat importance of this line of study is evident to a o know anything 
of the magnitude of the losses incurred us parasites. uc- 
ory Pp he first report are occupied with a s tement of the nature and 
habits of fungi, following which are t various experiments with 
Several injurious species. e list of investigations includ f th 
Pear, apple, quince, peach, tomato, oats, and other plants of the ar- 
eld and gar 
den, The investigations upon the pear blig ht appropriately take a leading 
place in n both reports, and as this work has been of sach impo: 
act the notice of the general press of the country, it is only nec - 
State that the cause of pear blight has been demonstrated to the hanson fie Sep 0 
