454 LA fs 
GARDENERS CHRONICLE. 
[OCTOBER 10, 1874, 
assimilating byr a E from the air; and this 
robably of all plants. It seems unlikely that 
o 
and a 
milated, to any appreciable extent, from the air, 
nder ral conditions. It has -been abundan ly 
proved, on the other hand, that a ee, soil is capa 
of supplying vegetation with an prs ad 
e may conclude that it does so cumstances 
of the supply of noone to ia a heci oak 
fore of the greatest import e agriculturis 
It i anic su 
such te are in freshly manured soils, may yield 
i in the free state by gee though 
the porian process are as yet aes 
ined. It es been Mowi 
en gener: 
attributed to the formation a of nitric acid from free 
nitrogen by some bem. bo on. 
ants, ina soil fre 
The crop contained two or three times 
nitrogen as the seed. ga 
through the medium of the so 
e from nitro- 
as much 
in Ti have taken place 
It has be 
en shown 
of nitrogen than that compri 
in the sum of these two compounds. But in similar 
experiments, where the soil was originally destitute of 
nitrogen, there was none ated. has, 
however, sho hat a gain of nitro 
e place in the absence of organi tt I 
a later seri ments a a k 
pt a rich 
ae glass Me 
The amo 
=. 
ri 
veg xed w. 
sealed tightly for eleven years in a c 
of nitric acid increased over sie himadrecifolds but 
the total coring of nitrogen decreased, vigorous nitri- 
fication having taken ae at the expense of the 
organic matter of the so 
+ 
that water during aërial evapora- 
forming e 
z 
supposition 
it is 
rt, and P 
showing 
must pass into the comparatively 
of humus before ozone it can 
sho! 
of 
‘The author of this paper made series of experi- 
aoe fe throw lig a eee the loss wal gan of ner 
which all 
ig to 
a known amount ve nitrogen to to 
ces in 
could be measured. The 
Cape of nnn cl be ovens ie sien | with their str 
organic matter iy seem of dried and sifted barnyard 
ne- ah its ra of dried and 
, exp TIME: Yı 
with 
app 
light, but sot to’ direct mpl 
Quantities and Materials Used. 
No. of = | 
. Organic Potash Total 
xperi' | Matter. Gypsum: (KOH). Water. Nitrogen. 
ment. — | 
Grms. Grms. Um: GG: rms. 
Ee see 15 ne we 6 0. 486 
koo iş os 0.798 6 0.486 
ee ie, 15 15 pa 6 0.486 
Bess 15 15 0.798 6 0. 486 
bg Tea eee 15 os 6 0.453 
i e SE 15 E 0.798 | 6 .453 
Ik 324 15 15 py Da a Sees 
Inii I5 15 0.798 Of 6.453 
| Total gain of | Tot we a Eor 
Nitrogen. | Nit 
| Weight Perct Per ct. Weight Perot, 
Substances. 
No. of 
t experiment, 
Gain of am- 
monia ex- 
I. rjOrganic matter 
{; a emic matter | 
tash 0.074 | 15.22 
hing ae matter | 
0.1651 če 0.0302 | 6.21 
I. 4|Ọrganic acier 
pme ei and 
psu 0.0907 | -. vs 
ike t Ores nic => EERE 0.00067 | 1.48 
II. 2jOrganic matter | | 
and potash .. 0.0876 | 19.34 
TI. 3}Organic matter | 
and gypsum .. a 0.0052 | 
Tis Organic matter, | 
ome and | 
0.0479 0.0088 - | 1.94 
Salo renit sa a Sa of FES in all cases 
~2and 2 gai =t 
han that 
onfirms the deductions of Lawes, Gilbert, 
and. Lagh that the bod of pitrogen is caused by a 
oxidation. m seems t 
T 
) is not obvious. 
A considerable gain is effected in the 
experiments where potash alone is mixed with organic 
matter. No trace of nitric acid was found, and there 
is no reason suppose it during the 
experiments. gain of nitroge t be ascribe 
to nitrifi The m of the fratio of nitrogen is 
ur present know- 
ge: 1. The loss of free nitrogen ‘during the recess 
position of pn Beer organic = is peA due 
A of 
à i ssor ~ 
“Ys cf et read Fiore he Science 
Armsby, Millbury 
Convention at Hartford, Conn.). 
THE WOOLHOPE CLUB, 
THE GREAT aa MEETING AT 
THE short but violent s of a rain and 
searching wind in ounds at the 
ungus 
were like the poime but harmonious music of the 
he itini ; ; 
the fungus meeting w 
. on zo er ever ped o the surfa e party 
forming t rt this year at Daea. 
peg September 29 29, , will og erect that ei 
e piece w as repre- ; 
0.0636 | 13.09 
sented by the rripa ie kind manner in which the 
party was received by the two Messrs, Fo 
Abbey Villa, eaeh Mycophagists are 
similar from men; an our 
its antique wi 
unique old w 
sisting of Mr. Fortey, D I 
Mo Mr. Plowright, Mr. io nc 
Renny, and some others—dro’ ve c 
sate T stream, 
m planted in two row 
of provisions, supplied by the tchful¢ 
forethou ght of the host of Abbey Vill a i 
havin eer dese 
for safey a pasty imm 
bra n E 
trees ha famili 
by the engravings recently published in the Gardener? 
Chronicle fro M 
whe k 
oprinus picaceus, 
and a few other fects fungi w i 
Wych Elm ching into many limbs, w: 
Two s niei were made of this tree in the m 
by Mr s fro 
holding an umbrella over 
locks of the ring 
the symphon 
notes of 
harmonio 
fi of the 
fore the ae Cortinarius cinna 
together with both varieties of C. 
Marasmius gi- dus, the latter with 
bafflin O 
the two | w 
y other rare and charac 
to mention, and many edi 
really siete th the awm (aot the present ' l 
r skel tching two, 
bs 
Carlowitz,” so amply and bountifully s 
Messrs. Fo ortey, and the party pei 
to ANTS wine 
