+ 
сн м 
facilitate ыма next op or pulverisation, .t t of 
which is — уч » мерс d 
durin ssible 2 E 
surface. 
— . 
the — —— 
is the alkali — ne asthe йін 
in some shape, for causing the development of colour, 
because — Q found most u wae suitable 
fore ; it is added in small quan: 
ply the loss eonstan 
themanutacture of orchiland litmus, as macerating — 
The — з ү” — pni ‚| yet 
therewith i ts tho 1e . 
GARDENERS’ 
aansing tha 
elimination of these colouring matters. But I 
reconcile " i Vane nor the supposition that t 
production of — pigments | 
action of ammonia or 
* of ihe nte with 
urs аг nbl 
evolved, thou 
an ammonia, and by liquids eer 
wg . distilled 
ў the pate id urin 
eby removi ving the carbonie te of 
rated in the iqui | thus. separating the 
tci a whieh then ac дие p a ent, The neces- 
sity for 8- 
whi 
and brightness by free mone and prolonged macera- 
tion. Some time ago, L had oecasion open a small 
bottle of “red yt aa prepared in Glasgow, lich 
d lain for аын on the shelves yr. a museum ; 
a fine n aroma, 
nish 
agree with him in the gen 
elotty consistence ous, 
smell But, — e on ecd n it in thin layers 
e action 
Б «ы ау had oeeasion to obse 
a continued moderate degree of heat 
ducive to the eolour-development, a — 
con- 
slight | te 
ones. 
rve, paie LP while | cases 
was 1 
kel, lime, and some кей and argillaceo 
d, in _ Some ki nds o litmus, ‘according | to 
ereira, 
eleva ion 
an 
p to 
idity of elimination 
stand in a os Tar ratio to the 
2 abo 
up in the ке e! balls, eakes, or lumps, or 
served f. n the state of aom 
maceration of the same Lichen Mordants 
My o 
on rays. From 
. — by the 
ecessary г the fixation of the — of 
t if a ; all of the Lichen dyes, which are charac- 
ua and dye, bu 
ise modifying the sav ae colour 1 the latter. 1 
er mpression ey 
the gummy кулы б» « of de "rina. 
ed to be the source of the fixation vi 
Liehen family, it happens that the part 
they play in the art of dyeing is — secondary, being 
contribute a bloom and richness 
may pacts be му! in great 
resent, know 
ng matters, an and we — 
them 
our neals, | g 
indigos, while they are (or might at least 
Magen cs in point — е IM 
et dis- 
мегу абаа 
"^ gradually e place to differen 
to aequire а yery great am 
wers of the Lichens = (apart altogethe 
t 
kinds of san Be. чи liquids, obtained by hea Pham 
of decaying ory matters, and, at the p 
of orchil, cu bear, and — rs Oe 
use either tolerably * dilute liquor ammonire or the 
ammoniacal li of gas works. Maceration in 
pect, that 
agent îs is — in proportion i 
when, therefore, it is very ems in in this 
A. it is "P 
| one: Mi aere go n 
eudbear manufactory 
stant habit of using large А warg 
e|we never shall 
ji 
"оч 
g 
from the ‹ question of fixi ity or ce of tint) which 
obtain till this — has been "m 
special "i in view, bo 
sively examined with this в 
t the n anda 
ome and ab Hoffmann germ 
ma 
collecting it эйр the 
collected beer-shops, ү utterly w less, an 
bf refuse it accordingly." * As thus ыен urine 
mere 
has generally e^ 1 аз a cheap and 
8 
exe Bugli 
state, the chemical in the ni r other 
constituents of the ing li тд eommu- 
nieated catalytically to the (but colouriess) 
principles of the Lichen, thereby ing an alteration 
in their cha 
xplain a 
„ h 
ood, "a that, “hen 
We agree author 
that we are too ut to foa how y muc we are i indebted 
in | for what we know those laborious ho first leaving this department, 
e we qutm s а ү 
r also 
E be — — to ad 
that the 1 орак иге 54 т 
the process is 
matr py — which 
st 
CHRONICLE, 
- —Ó: ары * spe Se it is to make 6 
as possible for the TU 
f | great pt a fe pro 
botanie gar 
M. 
| interestin 
e | himself ete no m 
tha 
f the che- sessi 
jen of ee he fio we work DA 
е agent 
3 
ompared w 
eonicenus an 
pinus and Malpighi, the pa 4 ieee 
tha 
arlemagne himself h 
vide 
реон 
jus 
that it is the wor 
us and a 
ver be forgotten that out of the schools 
Bar 
his аа — 
tly observes that | 
on which the Ж. of ts 
ean positio 
an manner in which he has exeeu 
cannot fail м extend the reputation he already 
Tournefort, iE 
bl piyaa 
Melastomacearum Tentamen. 
Paris: Vi ze Masson. 
copper p 
A COLLECTION em importan 
nnales 
receive it with double pleasure 
the reach of ev 
acilitates 
verybody, and 
a reference 
uthor has w 
sientiously the 
regret i is, that he shc eras not 
identify the s 
— will, we fear, turn 
d new species have 
‚ Naudin. 
Pp. ПА se 
t papers c 
iences, between 1849 . 
M, Naudin's learned 422 
who already possess rr parma We 
* 
By C 1 vol, y 
miy, 
э, 
„ 
The Patentez'a Manual, 
int produe of a gen 
is 2 m^ 
acquainted pis the awe 
of any use hem ; and 
in elear er ticas language, 
to be especial 
erna Socrery’s 
no period 
| the 
and 
nest great dhow dm 
next great show 
have mentioned % 
however, that 
not possibly be gayer than it 
Alyssum, great 
8 ‘oun Columbines 
planta. 
ppose been p f 
| Be Cie Benham май amy det ie Sa 
par and i 
- law asis War o b 
attained their object, for as * carefully 
matters 
— — — 
arden Memor 
AR 
Among 
one, with 
foliage not unlike that of a 
ate Pa ely nal 
and Inventors, By Jam 
nie dis 
pretend to say. Bianea 8 wk a and 
Potices of Books, Kr. € mite a T re tin mi j- 
e | espeeial otice. Peon 
| Medieval Science —(Histoire des Sciences Naturelles au | additi pre ani — ак loom. Its 
moyen age, ou Albert le G — con- | are very double, and a purplish 
sidérés comme point de lana de Tees e expéri- Fortune's Moutans, wh А ag 2 also 
By F. A. Pouchet, 56. th 
pw 1 vol. oma} pp. 6 
of this vo 
т 
yes 
liae dnote gies Woah goose ulcus dania disserens, 
aen and the former, though 
„on account of its deep 
of new — 
winter, — еа on a 
ET 
