196 BOTANICAL GAZETTE. [ July,. 
fete HE ELECTION of Dr. Sidney H. Vines, F. R.8., Lecturer in Botan 
mbridge, to succeed Prof. Balfour at @xford, gives general satisfac- 
without a competitor for the positio 
THE sated of the tubercles on ee roots has given rise to 
much discussion, the opinion sing oe icctaaheg pe being normal 
structures or facet structures. Dr. Farlow gives a short resumé of the 
subject in Garden and Forest (May 16), pa stletition to the difficulty 
of the subject, ng also stating that it can be safely said that they are not 
normal struc 
THE BLACK SPOT, “a disease of Toses, is treated in the American Floris 
for Sanne 1 by W.8. Windle, a senior student of Purdue University. He 
age and illustrates the fungus, Actinonema rig dae ie: causes is 
E BOTANISTS will be well aie for at Cleveland. The Hollenden 
will Re the headquarters of the Botanical Club. Meetings will be held 
each morning at 9 o'clock. Excursions will be made Friday afternoon 
and Saturday, and cen im that — t Day or Secretary Spalding 
can secure for their pleasure and profit me be expected. There should 
be a liberal response in attendance yong 
ALG® living are ag = parasite is a curious subject lately in- 
vestigated by Mme. A. Weber van Bos Several species are deser ibed 
belonging to the gener Neichonhilas a =a Cyanoderma, which infest the 
hairs of sloths. The damp, shady, tropical forests which form the -— 
of these sluggish sshirbele se o be sufficient Sapna es as pointe 
out by Dr. Farlow in Pala pee free (April 25 
Mimicry among plants was recentl i ihe by Dr. J. T. Rothrock 
before the Philadelphia Academy. He arranges mimicry u nder tw 
may be considered an anticipatory or het the latter 1 
prophetic type; ae 
seems to indicate a common descent within a recent per 
Pror. L. H. Barey, Jr., will go abroad in August. He will cat 
leading experiment stations and horticultural establishments, and ts 
spend cons iderable time in studying the originals of cultivated plan 
cidentally come in for some share f attention, and much valuable ? infor- 
mation is em! to be satnaied for ‘the better elucidation of our 
ER recommends! a modification of the soap-imbedding proces 
for a study of developmental processes. A ciate of Ae al_parts : 
an 60°-7 
ved, t spa 
ost en into the mixture before it sets by cooling. 
tion of soa is ee in 
ng mass keeps without change in 
vessels se Neacae fluid at 40°C. The pe action of the alkali of the re S08 
renders th ‘ie sections particularly clear 
oo ae 
1S | 
1 Berichte d. deut. bot. Gesells. V. 1887, cp lev 
&< AAA, fe} wnt, ne a tnd re WES Wlewal oc VA ne AP 
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