BOTANICAL GAZETTE. | May, 
F. L. H. BaiLey, Jr., of the Agricultural College af Michigan, has 
Cornell Uni and of horti- 
‘ % accepted to the agricultural experiment station, at a aes of ‘$3,000 a te 
rn r, With a year’s leave of absence to visit Europe at such time as he m ma 
: onal without interruption of salary. He remains in Michigan until 3 
- August. 
* REVISION of the genus Doassansia, by Dr. J. B. DeToni, of Pa — 
fia given in the current number of the Journal of Mycu is os 
Nn species are adm tted, characterized in Latin, with ee. synonymy 
ditional notes, These species are siadeninoler Ame , while two 
; 8 also occur in the United States. The bibliography contains titles 
of twenty-six articles and nine exsiccati 
Ae THE PosrTion and value of botany in ba ifeteaaa experiment sta- 
a tions i is Mealy and suggestively treated by D ro. DD) Haist ed in in nat 
al Sci The 
ence for March. 
Rie tier 
ect are duly considered, and stress is laid u e 
the necessity of familiarizing the public with t e fundamental facts of the 
scie nee by means of carefully written bulletins 
Botanique, under the direction of M. Louis Marot 
year with increased interest. A catalogue of Pari 
i, is running t rough the numbers, while the jollowing 
ral nature - the papers: The Mutisiacese of, 
HE PATHOLOGY of poe: in hay-fever is discussed by Prof. Samuel, 
din Jour. N. ¥. ¢. (Apr 
Sol ago, ana | ril). A pla te shows the poilen of 
y: ve lid four possible modes of action for pollen. in 
ha ' -fey rare giv ) 
| at 1 
en, as follows : Tts suffocating effect as an ante 
es ere, thus exciting asthma; (2) asa mechanical irritant, 
ion 
» even to excoriation of the mucous membra 
Sent, poisoning — ti 
and sensitive par 
THE RESISTA ANCE of ee to ext bject of a 
ernal influences was the subj 
- recent i em address by Naturf, 1, 1888)- 
fe Tn the matter Herr FC or dm at Bonn (Naturf. at 
ne; 
ssues; (4)asa pseudo-p: irasite, eae 
~ the soft 
minutes was found | fa: 
tion. A moder a oh ee re (32° 0.) ie 
evelopment of pollen tubes, while low vemperatnre (un 
“acai roform vee 90 min. wes fatal, 
in 
nd ammo 1 20 min. The retention 
a 8 ty ase of germination differs italy in ‘plats but the average = 
CENT pal mes (Feb. 1 16) of the Linnzean Society Mr. < ie 
Riley ead thea self-fertilization and cleistogamy in orchids. “0° 
2 the b bi oi selseriliation were described as follows: ( ‘I 
oO “ — ing op of the po n mass, and falling of the dust either directly” 
Bean ihe stig ma, or into A speed ips, whence j i Se 
; (2) ty the falling of 
“Anti pen the Stigma; and (3) by th 
trom the ¢ nandrum, Z Sid 
; di attached to the eo 
the pollen masses as a whole from the iin 
