Marcu 22, 1856.] 
THE GARDENERS’ CHRONICLE. 
193 
that no available information is given by su 
as that at Brighton a temperatur 
and such a ages whereas in 
of 10° did not affect it; unles 
individuals 4 give 
level of the = if ‘plan 
the thermome also 
M. D. 
ted on mo 
ad 
ondo on a te ga gas 
of 
ch facts | 
of 18° killed such 
ne eit ither | 
we have | 
sence of this costa! areole and of tl e gland, = 
of them Bois erp in any of thë girre s 
seen except i 
| chemical rays s are greatest hen passing through a 
colourless medium, and that they do not pass | through 
Garden jere” 
td; | 
a small woo mega in the 
” (iii 1l t 
the height t ial 
n, their pnt above the main 
unds, and that of 
tat 
oO ) 
m M. Fee's allied genus eer: The | sm 
o; 
owever, do n t requi re the 
. All vegetables, h 
— require frequently a a 
same je intensity of light. 
arated from | v 
5 
mot ge Peer A f Fée cannot be 
Stenochle 
elegan ant ofe veraren stove Ferns, its rhizome climbing 
and 
height of one and ee 
whatever ecpeditioth 
ature 
same specie 
is 
uch in differ 
of the uniformit 
alisgstes dissent, except it ‘be 
for there of 
our native bushes, and far | 8 
exter its numerous large, smooth, shining, 
yiee as is the case neon sea eon of 
Musiooms + But even upton A Pheenogams the 
to rofl Yedi to | 
of a species we 
greatly modified ; 
heme 
when covering the wall of a damp ‘Fern house, for * whieh | 
endurance are very different, m 
P halati tion and absorpti ion are pascipaly = excited by its 
presence, 
it is especially adapted. The S fronds 
4 feet long, with linear-lanceo late pinnæ sioctiotiehinn | 
nearly a foot long, acuminate at the apex, somew what 
moisture is abstracted from the lea PIATE 
follow. Coloured glass, therefore i in the s 
has been recom 
ely wedge-shaped at “the base, i fi 
unequal argins 
| tha 
The agents is ‘prodaced on the anterior mbites of the 
per’ 
over one large area than ove: fon 
Oak, Furze, Broom, Junip Alder are con- of trees, and therefore receive their light modified by 
spicuous examples), and t may, we have passing thr green leaves, is perhaps is 
seen, be accompanied by a difference of cold which effected better by simply painting the glass with a thi 
is far more than enough to kill, at a season when of green than by any tinting in the glass itself. 
the temperature is already low. Though light is n: y wherever green leav: 
Before dismissing this s ubjec ct, we may s cted, and pam a heath 
digres o observe, that happily for the bien lof plants great anne 2 
of Horticulture, the injurious effect of cold depends where they depend upon matter alread red up i in 
primarily upon the suddenness of its accession, and rest word in rage or tuber, earl n REN rapidly 
secondarily on the epoch of the plant’s life and of sort tran ae pan pacing be 
7 sone n water in a dark room till 
the year-ai naan it s AOp ORe RH t, orep: sufficient roots are developed to supply moisture to the 
l to the elevation ushing bud. Where, however rel n 
of the plant er of the rae is of subordi- berai: cuttings, they. A ae li cht for 
nate importance; to vem ch w y add the fact, development, as in the absence of light the leaves 
that all species will und | cannot remain healthy. In such bell glass, 
endure unh if col = might be expected to urious, its 
below the mean which sate suits ctl best. AS, object being merely to insure the cutting ‘ogainwt the 
The most conspicuous proof we can give of this is Y pared By Tpi dr, 4 gerraria i ‘athe a 
i i i sometimes happens accidentally 
that the e Minaya nfo a ade ages ohne {J are "Sahil shaded from the influence of light by by 
elevation; this eor responds to a difiprence of mean : f rpi japa ae obs panie E Lars 
x Bea id Sree adipe q- 1 race ie continued for ‘an any length of time, must end 
pron m 9—13,000 feet, as the Himalayan SS in death. Where there is the slightest admission of 
arch ; it is exposed n annual temperatures SS Af light, however, gh curious how plants under 
of 44° at the lower and 36° at the upper limits of SS E A tin circum: will travel after it, exactly as 
the ra and as mean temperature of the SS Ey Ay will l after water. Potato left in an 
hottest month at eet is ut 55°, and that SS | A obscure corner of a cellar has own to se 
f the winter at 13 peg? feet is 18°, this species is ‘SS Hl oots of many feet in length towards a crevice 
exposed to a range ° Sedan twee WSS gi A admitting light, sA es same may be said of other 
tremes : aeg Tin he kaps between the mean LS i Z lants under similar circumstances, and of all in some 
maximum o the mean minimum SS tL me where ‘Tight i is ot equally intense on all sides. 
of 13,000 feet i ie 24°, ja ich difference of tempe- - Plants grown in darkness are characterised by 
rature two specimens of the same species may be Si EF se are rata which render isror aasan 
exposed under ordinary circumstances on the same | SS} = process 3 in horticultural practice. A Lettuce, for in- 
ountain his is independent of the effects of ex- | A) 2 | sta hen grown ele so Pn large a quantity 
ceptional temperatures, and of solar and terrestrial | SS eee 3 
radiation, which would far more than double the | IS EA | fo 
plitude. hat this is not at all an exaggerated | SN A as in Ce ery, freee on Cardo &e. Sach eatery 
statement every one conversant with t tatistics | SS Z then, are sought as by conformation of the 
ountain meteorology will admit ; yet A | Af outer leaves eer some ydeon of the plant from the 
only has the Himalayan Larch proved most difficu | influence of light ; hence we rst Cab roccoli, 
o cultivate in England, but the scarlet Rhoden _yode shaped base. hb fertile fronds are bipinnate | C2 phage. Lettuces, and a vari other excellent 
dron, which has a vertical range of early 8 8000 fee lked arrowly margin ned at the base anna et the aum and where pe by art 
(or ngs fe a that of the Larch), is still more so. erous 5 OP OURS e cite ie id gainst they 
in the the males alenas, diane t, lin ; sat, 1 to to 4 inches g UP 
ÉTA ERY “The plan lant agrees with I Press St tenor to za Math has no access, or to pass aot os a 
ciat 
to be so 
M. De C 
DOLLE’S nie verde Se it is no doubt vexatious 
litt 
iana, the Lo maria Meyeriana of Kunze, in. its bipinnate 
e posi 
I's Stenochlæna Meyer- a 
rie 
soil that pf fn, E cone fe 
instead of one hard in texture 
of the baie thus engendered, 
present state of the science it 
Fre agate A 
but that in the 
cannot be helped. | at 
at 
ees of the latter before us the propo 
roportions and | #8 
ent of Bir on ve. pen, are so different 
ey can 
o rA too n and lanky, its admis- 
ores health, ` Pe 
Heat 
Where plants have suffered 
tight, pe eaten they do not remain too ire Kerei 
maria 
Dis i 
GARDEN FERNS.—No. VIII. ifolia of D with which Kunze COPRA a : E 
19. STENOCHLÆNA TENUIFOLIA, T. re. ia |L eran the former, he says, differing in p E ES 
Föra, Desvaux, Berl. 326. Lomanro-| Sie an uch Jonges oe a the Vey a : bi acquire a green 
BOTRYS TENUIFOLIA, Fée Gen. Fil. 46, EEDE, = aa ours differ markably zom the South tint, and become perfectly healthy ; and the same plant 
Tipas J. Sm. Bot. M - 1846, coun T RAT peau. plant is a native of may be bjected to a similar process Bee cone 
ish, and ly all con and this furnishes iath intereto in injury. M. J. 
diastiatar= nd sete ; favour of its identity with the Sioe esate! which will ne 
te much a i argutely cartilagineo- lower AA ge ivi the wi section ee aoe solver Home Correspondence. 
t 4 upper sessile ; e bipinnate; pinnæ stalked, | sho! „if a native o! pe o! —At 1 
Piling pms ea fee mat Hopes The more obvious points of ference | menton Sorat oe Jones of Birtinghan to 
ral and adherent to an elongated Hig soe ted by the oh plant ara the ste saumna support hot trusses app 
This Fern, which is known in gardens par ran: beg to state that we ai 
of S. scandens, was received at Kew in 1841 te pame distin ct arcuate 4 h 60 feet in length, 22 feet in width, 
Berlin garden, and w: p to o Acrostchend| ortie pinnales, wh hich are not stalked but rah and 13 eas in height in the centre, and four feet six inches 
r exe | Soomro rand so long (often 4 inches) as to cross the at the sides, supported with trusses, ha ypg we x 
fructified at Wentworth, and sut heli two or peat adjacent pigre. ee an | or slidi a ae the entire width of the 
v intermingled mass of linea! ents. e accompany- | have only been the bars very light, two and 
Kew, it Kowever ihe a fetis eae ey ing Arare toda at sho ais gland plik 5 y be veao nary ge ery lig t, 
fhis group of Acrostichoi the stalk of the fertile pinnae. 7. M width, and 13 feet six — in oars “here is a 
marked by certain age in 
> 
the erin and | 
4} 
| the 
} 
j 
} 
| 
pee papi 38 Fee OLOGY: —No. CXIII. 
also ” the production of a 
} EA x xp ng).— One of the most 
on the » phyilodia of some s ies sof pens these pasear s| | important age the growth of piine a is aoine 
occur near the base ami the sterile fronds, light. In its absence scarcely any function is rightiy | 
and aged tiole in eo a es, and are equally | perto ; n is impeded, a are 
present in the original pinnate an friean bipin- | We@k, chlorophyll is not formed, and all the peculiar 
species, the latier ditering | however in having the mene either entirely su r tly 
i whilst in the former | diminished ; and as light is a complex body, under 
they are articulated. ‘The peculiarity in the venation | liar circumstances, where it does ae peeh. a pes 
in its normal condition, as when for. 
are in reality venules, tha secondary vi eins, opring:| — coloured glass, its effect ev will 
ing from ar Ms of ut vote form very narrow "eyi be the same. It has paky oar pag exper 
sometimes no without a careful exami ect of the luminous calorific and 
nation, at other times aoe It is the pre * From albus white, and fio I 
entre length of ae 
hal? Be eee sack i, 
n por 
| no rmal appearance. A “beautifet production was forwarded to 
since from a cellar at Bristol by Mr. singe ti 
creature of light 
ment col- 
| Prony 
F eony remain Acorn, Chest inthe hell of the 
| edous of th of t, Water Lily, 
Theory of Hort, P- 25, ed 
Sica 
