276 
THE GARDENERS 
CHRONICLE. 
[N° 18. 
PE OE I I LT TE I 2 
nee a Sierra eras 1840, Messrs. 
love! 
” Sommatia DECORA, Guatemala, 1840, Mr. Bateman.— 
of Morichini on the subject were confirmed. She found 
of t the ge wana be possess some of the powers of the 
them: s. The other compounds formed wt 
Messrs, 
markable species. It has lately appeared 
| the blue and green, though toa much oe extent ; 
two hours, “they 
th. lial 
me magnetic ; 3 and 
becam 
| the rays by a lens, the effect Was more pate re | 
tral, and in oie no ices of the caustic nature. of th the 
The i er, as 
inferior to most of its ame race, Grows and flowers 
with the utmost freedom. 
MaxiLiaria Sxr NNERI, Guatemala. 
Lemon.—A noble species, with large orange flowers, 
neste size of those M. aromatica. 
, 1840, Mr. og ellyn.— 
Elegant flowers, of a most singular co 
Srannopea MarTIANA, Mezico, 1840, Mr. fey aay 
Forgot and beautiful ; the colouring 
other Stanhopea. 
ONTOGLOSSUM GRAND! 
—Magnificent 
Guatemala, ii Mr. 
icent | of the easiest culture. 
, 1840, Sir per 
than 
VUM, Mexico, 1840, M:. Ba Barker.— 
Needles 
charcoal and sulphur, finel y 
J 
t it. 
hout 
1 h 4 
very ca refully 7 
rays, which 
y ofa 
of those 
in ‘the } ° previous » trials were oe to possess the magnetic 
powe | 
wdered, 
mixe rea tog action Shik takes place 
durin: uring ¢ the “burning C fies ae on of de: 
simple. The sts of 
nitr sahotier'« 
f 
xtraordinar y 
Su ch then being the e: 
the violet-coloured ‘ight is it atall t he 
general effect of light on vegetation being anit 
ak it —_ ani iba a Your 
red, orange, or 
ory of viole-coloured, the same 
he seeds w ined ; 
the germi peg of gg 
orrespo . é. 4. will find “tha £ 
pe aa ins o~ “sedi inst 
quickening effects o1 
Fs 1 
5 
a 
coal has attrac for 
sufficiently heated § is fe able to alin the cy, seizing 
upon the oxygen woo ~~ nitric acid, and form ng carbonic 
acid, a small portion of tash 
of the nit rate, a ry fotmns 
f the i 
clearer than in 
mechanical ndvntag in = use of the squtare w violet- 
coloured glass. Again se nage glass j jars be filled 
tn fall Pa e = ell ha £, J that 
eGR RE 
lighting o} of a 
ong fire, ory ‘a @ 
uced instantly ~ 
— so 
e thus 
much ‘that it is able to decom 
ee pe of 
hie te 
mee of my work on the “ Sepreaepen of and 
As a list of first-rate species, the above 
Table would be i ue pe on fewer which 
were introduced ia Pa ector, 
fluid 
ig of se 3 next in power to it the 
and green—the orange, yellow, and 
in in exciting the 
indigo, then 
correspondent F.. has 
drobi' ig ee D. speciosum, ye esa D. fim. him is, as to the 
briatum, Bonatea : lonetes mpecioes, | Vat a violet. _ He rather unceremoniously, T conceive, “doubts of 
aeelgttd esieebien dis chrysanthum, D. secundum, D. | says that he never madeany. I can assure oye that an 
moniliforme, Fea from | sg ss haya! while S ciag ts gr vaish respectable g! it tainer (the p perso to apply to) 
here were. h “tea2 sey ? and 
La 
“ 
— of gas from 
rse the nitrogen ae 
aad peter urous acids form: 
state, and comparatively a “ttle i is petro by the 
potash. 
Nitre is one of the few compounds 
are a “i barge and gn it was — almost the 
—- of that acid; but of late years its use has 
of the introduction 
seRt 
Bee 
9 
uth America, 
than nitre is. 
ense, O. me TO. pulchell um, Cpaabapes gists t it is fe cobal “se manga- | therefore come before on a future occasion. 
insignis, Cyrtopera Woodfordii, Catasetum tridentatum, | nese. ergs dae is but “tout a a third dearer than| Salts of potash are met et ont ia they ‘phents ia cased 
S cristatum, Zygopetalum Mackaii, Z. rostratum, Catt- | common as and will, I doubt not, be soon universally tities ; they are likewise commonly to be found in the 
leya Loddigesii, C. labiata, C. crispa, Govenia superba, y f seeds. Its ap- | soil; and potash is means on in stones: 
a, B. caudata—35 it tif t is evident that the salts of potash found in the 
in all before 1831. There are many minor gems of great duties - ny proesion afford me aoe operientey nor | soil must have been derived from the gradual br 
eauty, and which to some may prove as interestii on this interesting sub- | down and decomposition of stones and rocks containing 
hose of larger growth. I will particularise ject ; ar those who possess both would, I doubt not, de- compounds of an 
owing :—Broughtonia i pumila, Com The second alkali, soda, is in general charact 7 
parettia’ falcata, the whole genus Cirrhopetalum, of from testing the effects of different-coloured light on the seeitan to nn it is a very strong caustic solid sub. 
the Coelogynes, bi 1andesia luni. F.R. Horner, M.D.; Hull, April21 d has a powerfal ion for acids, and 
2) faxillari ——s—" di and con- 
the i ‘ ~ RURAL CHEMISTRY.—No. X , but i bination with acid or some 
Tue class of ee tr bases, or ‘those with tue. ‘substance. The abundant source of soda i 
hich acids can combin e also very numerous. The | common which exis' 1 t ; 
amg one therefore “the most im mportant, are the , and is likewi in the earth, when 
soda, and ammonia, together with | it is called rock-salt, to distinguish it from the salt ob- 
y ined by the evaporation of sea-water, called sea or bay 
ingredient ition of the | salt. The only other compound o: ot Rata Shee on —- 
soil in which. tiv 
pei Ais i of at is the J commonly called.—E.. 
the simplest ’ procurin; it is urn- nS 
wood. 4 is is done, after all the. Bicbatin Recent COTTAGE GARDENS.—No. XV. 
, ONE of the most striking ornaments of a cottage garden 
oo EFFECTS OF C COLOURED LIGHT. 
first communication on 
oxygen is burned,, there ee a bganrig of 
hich when put 
gen, and 
white or grey matte er ¢ called « ashes, 
d by 
subject having obtained | 
a good dea ofattention, I pone offer a few more extended 
This the pre: 
of potash, which not being — aed the “heat occa- 
stoned by the burning of the wood, n the ashes. 
| In pgrods 
P 
way, however, we | do. not ‘cbtain 
e- aa vegetables for 
cottager to cultivate, is the Scarlet- 
runner Tienins of adatom a sowing should now tags s. * 
some wa’ m shel tered reg sat se Bi the soil is tolerably 
fi i whe: 
teem (9 eistin the minds of some of I di 
because 
affinity for acid, it “combines with some of the carbonic 
re t) oung twining stem tems are not 
ikely to ‘0 injure or interfere with the other crops. If there 
particular part of the which it 
i | wood, and therefore the c 
hole ashes of the wood is an impure 
er 0 
pens to be any 
man le to have screened, we are not 
f is purpose, as it grows ra~ 
caustic cua Brno akeg 
t for 
idl, and — continue to yield a profusion of flowers, as 
pine for use, until cut off 
is purified by pouring wat 
pig igeaSRSPRM g 1Sg it; a white salt is left 
is the carbonate of potash separated from all tl he otk 
| acids, and is very 
the frost in at a e the dwarf-gro wing kinds 
+ Kat lanted 
th ao round gv acquired that degree of warmth 
i which we expect it to eoige at this season. However de- 
is called pearlash. When seis ix coesined 
Pare and fie om any acy itis found to be 0 Tr 
early crop of this vegetable, 
which has a strong affinit, 
SS 1 
, a to keep, as when stieael 
the air 
5 
difficult to 
acquires carbonic acid from it, and be- | 
| | comes converted into the carbonate. — Potash has also a 
t ttracti > 
making their appearance, and are sure to ‘ete ya 
sghtet fost ‘A good place to sow sow some would be along 
cape rie ppp Se oe a 
i peliatie, eeitepuntenies be pa inclose to some wall 
phn 
inst it. In either case the ground must be dug pretty 
deep and finely broken with the spade 
'are to be deposited at five 
or six “inches’ distance, and 
afterwards neatly covered. Make a sowing of 
alled, saltpetre, or e, we mmend . 
i laces as a yoetery fond of this t to ty = cage 
matter on the surface the ground, and is procured pure, md Spinach, of which three or four s 
id evaporating the solution of | afford atolerable Iy of leaves during summer, if placed 
in a warm co! four feet apart and abut 
at respect | dantly w meg and stir 
of ihieli whieh although | wherever thi spent their appearance. eee 
still very consider- | the soil, See a Cie weedy oF not among the a ae 
so | Turnips, and between Potatoes. In fact, t 
pur: and 
Pa ON rane Silanes 
