288 BOTANICAL GAZETTE. [Oct., 
TWIN TREES are often recorded, and a recent account of one near Tunbridge Wells, 
England, brings them to mind. In the case referred to an oak and a beech have grown 
as a 
been broken off eight or nine feet from the ground. The birch is now six or oe 
inches in diameter, and its roots reach t through the internally decayed oak to the 
RCHID between Cattleya intermedia and Sophronitis grandiflora, oo 
by A reel ee Sons of England, has been referred by Prof. Reichenbach to the genus Leelia. 
from th 
and the seri is not much diminished, but takes on another form, when we learn that 
this has 1 a Brot. Reichenbach he ) reexamine the characters of these sary a“ with the 
reenlt th is anferred to 
ar ‘including Ss. yee ccingwon 
t, Rendu 
rs cad., 1886, p. 930) that the spores of Peridermium Pini , Var. corticolum sown upon 
Vineetoxieum = Produce i in about four weeks Cronartium sche It has 
been Peridermium Vini, var. acicolum 
are strate hice of the me fungus It is now nib a that these two ‘teil of Peri- 
dermium really spec eal. distinct. This gi top evidence that we shall be un- 
able to tally. classify the pleomorphic fungi aitir ihiaté life arene are known, 
Davies’ mitre RK oO iad “Preparation and mounting of microscopic oe 
16mo. of som 200 pages recently sent us by the ‘Auction publishers, J. H. Lé& 
Co., of New York: tt re 
It is now in essentially the same form as left by Mr. Matthews of the Quekett Club, who 
ted the second edition about twelve years AZo, Alt hou, ugh it doe ee describe som 
valuable processes which h ’s time, 
the specialist, yet it is still almost as serviceable as at the time it was pubthebeds for that 
Sutisidersble class of microscopiat oe Geni re to prepare a cabinet of mount ted apes — ens 
© wnole 
The author tells i 1 d trustworthy manner how to prepare, preserve and nai 
such objects. 
BOTANY of the U.S. Department of Agriculture Report for 1885, which was dis- 
tributed some 0, 1 degrees of value an a) portant 
in bacteriology is the identification of the bacterium of swine-plague, and the diserimina- 
tion betw and the rouget, or swine e of E e, studied Db. 
The and for divisions require no notice report of perintendent of 
grounds gives much space to mildews, peach-leaf blister, peach yellow, pear bli. : 
ing of , po , etc. The most courteous is, that it is 
“‘erude, owing to want of owledge’’—wor ic) find in the report. 
th 
& 
ored plate. The botanist’s report gives a brief description of a score of foreign and native 
medicinal plants, with cuts, and a page of notes on grasses. The remainder of it is de- 
voted to fungous diseases of plants, contributed by the assistant botanist, together with 
4 short account of smut in timothy by Professor release, and is worthy the careful atten” 
tion of cultivators and students of fun, 
THE COMMITTEE of the British Bssociation on fossil lants made an interesting report at 
the recent Birmin meeting. Attention was de vote d last year exclusively to ewe 
gams. They find that many of the so-called mon noes ope mares been disprov 
ons b “hey os 
ter. . Very likely the sone ee rt ea 
ter. ne Aroidez have been proved to be of high antiquity. In 
the naming of fossil lants from oe te e cases 
reached an absu dity, the iio ry materia a a err wh leh as in some hat 
hay, ce 
n 
ere. been D pre resery T ero iY 
onous leaves, that have been referred without any hesitation to 
must strike ey: ery one, in com with the relative few associated fruits : 
Pa ‘been determined oth erwise than as Carpalt ithes nee was ch is a confession of 
