a 
ae ee ee T ET 
Marcu 29, 1856.] 
must t they think that ev. ery black s speck upon their gost bn : 
THE eR RERE a 
conceals an enemy in its bosom. If such is the case t 
will be diverted frequ ently from the true cause, os of March, when 
then without saison s si 
n; 
apply remedies wholl unsuitable t to the ge —— them, 
separate notice, ans the 
ak per pai 
a conclusion. If they will still be kaa “with 
Suessing only, there is re greater chane e of their m 
a 
o 
we of succeeding cal ply 
ratiocal rest In following up the consideration of 
‘organic dieses. arising from external causes, shall 
fi those cases which come under f 
ospheric or other material agency ; , those 
arising gh anes that oa pi ures, Js, and ot! 
213 
roots becom pms 
y | called pinnate. There is a ays allied pi plant, in which 
0 
= 
Q wT 
e 
aa spicata, the Acrostichum spicatum of Lin , the oth 
; thirdly, the effects of of parasites, whether 
serious ru the bark w 
ae or srg in in the jie of vegetation ; and, las stly, | their commencem 
. M.S. Be ae 
he ravages o of in: 
en eg! 
nny 
this bi negler cted for several day 
in tha 
and the m margin argin shows but a but a 
1 flat, an 
nth ioh pa heoi y to ° become recurved, 54 — ion 
e from 
obscure, but at intervals the veins as they « 
the costa are seen ga be m 
having a tendency to 
ZE 
the fertile gppendago i is sh pien and obtuse with paral 
sides, and are entirely hidden. In both the 
articulated with 
à according to Presl, being the Hym, ophlogiosbellan tn of 
Blum of Ka aulfuss, and the true Hym, revoluta of 
Blum 
aS Gt Sk tee 
Correspondence 
SUN STRO 
I mave attentively read the artic kes r. Caspary } from at 
oii Frost  Splittin ng. My attenti ion has esd ed directed and taste" tou aA heal Fee 
itting e especially takes 
p am 
pane in spri ing, in the lower part of the stems of fruit given the ter ite 
reed be 
do 
trees. There is a vulgar prejudice which attributes 
this no to ae frosts that occur after vegetation 
has commenced. The sudden olings i in the tempera- 
e 
or north-west = 
ere 18 another still more ae tive proof: several 
‘sorts of Pear trees ted o — Pear stock, trained 
as dwarf pyramids, and ex he action of. the sun, 
vere covered, in 1854 and 1855, ¢ to crt height of 2 feet 
rom the ground with a layer of m, but o ips on a 
ide. exposed to the sun’s rays rome ila 0 2 p 
plitting did not take place on the other ides. of the 
rees, whilst about the middle of Ma reh, and somewhat 
fer, the pyramids that were not thus protected exhi- 
and 
Bruxelles,” and which may i th s of the 
Gard Chronicle. [We shall give this in a future 
e soil of my fruit tree nursery is, for t aia 
rather light and Seepa Mion rama A Sean 
. pyramids suffered in fe er year: m su at 
and especially those rieri were ro furnished » ich tires, ches 
near the ground. Those that ere trained as standards 
and half-standards escaped. "The observation of this 
induced me to cut off the lower b 
Vigorous specimen trees, and to train them as half 
standards. This ray was d gathered 
in autumn, up to the present time I have not ob- 
aind any. ates in sro bark of these trees. I must Say, 
however, that the ae ioe uty ve a 
been no 
Served naig a 7! ike he ‘seedlings. of tee Apple, Pere, 
Apricot, and Peach trained as standards o; 
What are the causes of these accidents ? How can 
be prevented ? and what are the remedies that 
should be applied to magna ne consequences? For 
AR grrr 
ear stock, 
pyramids or Quenoui uenouilles,are more especially exposed in 
Spring? This Soars is restricted to these sorts o; 
trees because injuries from sun-strokes rarely occur on 
P gra 
general, sun-strokes on trees 
growing in a a strong mois t soil, than in one t that i is light | Fern of remarkab 
and dry. It is observed in varieties varieties that their | termi inated by a lo 
B plan 
Fronds sent Scare 
pam 
and late; in va 
to the different classes of form, as the Beri, | abont a Foot high; artoa 
é and | 
selet ; in delicate and tender varieties, and in the most | on t 
| o 
those 
planted, and in more recently, over the costa, and 
These facts established and admitted, the cause of | appendage 
the evil is then partly in the soil, in poiat meei e | attenuated to 
Stocks on which the ear is worked, 
E pie 
Gre (Patras by Li 
Delessert ; and from Grenia’ under the incorrect name 
of P. pi e given by Karl Koch. Pr. Klotzsch, Berlin. 
Rh 
hododendrons Falconeri and Wighti.—lt will doubt- 
teas interest toe Silers to know that a speci 
bein Sy these very fine plants is now in bloom in our 
owers of Wighti are not equal to those 
sheer in “The Rhododendrons of Sikkim Hima- 
: | laya ;” while those of Falconeri are very much i 
e the blooms of Wighti were of a very 
pale cl however, in a day or two to 
o ghbti are 
the latter, however, much more so than AA 
Judging from the seve: Jo species i? brad Sik kim Rhodo- 
dendrons which have now blosso and comparing 
oo with the published representations, we think that 
e found, some much supe- 
r, rig eg far below what- is expected, Standish and 
Nob, Bagshot = i : a 
Trans lantin vergreens.—In reply to inquiry 
of your P resent “C. B.,” which appears to be 
ilare tó ma e, I orm him that t I should r 
pE 
3 
S 
F 
m 
ae 
Laruns HRE 
of 
| Jones, Elm 
Oak Timber.—With the large Oaks of the 
orest of Dean, I know the shipbuildere of Chep- 
stow, in Mi i of Bro! » in Glouces- 
ire, on the river Wye and on the borders 
se i smaller Oaks of Hereford- 
[mutable oa of 
of our British 
Li ergy rove Pr be esq nee each 0 tan expen for et 
