McNAB—CULTIVATION OF CAPE HEATHS. 369 
tried, as — those that are eS as those that are tenderer, will 
at the end of this . This list, of course, is very 
limite bat still it is a besiint in eH and everyone that has it in his 
may add to it from his = n trials, or prove, for his own 
sikislaction, those which I have net In every collection where 
heaths are grown to any extent hare must be several every season 
which will be ejected from the house, either for want of room or 
from being unsightly, ihgrown specimens ; and it is much better to 
plant them out or keep them in pots in the open air than to cut 
their heads off and throw them to the rubbish-heap as soon as the 
are condemned, prin iegex 4 as this selection generally ona ~~ 
at the end of the s ason, when the plants are put in the at 
—— the same sea The therm —- then fell 14 deg. one 
below freezing, viz., one ni ight j in November 1828. This, decweeter. 
seldom soto 
It must be indeistocd. however, pa He am Pe arte of the part of 
the country in which I reside Of ¢ in other parts, if the 
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Edinburgh till pis Tater mo 
perso will ne the trouble ca treat his surplus heaths 
in this way vil sop n gain more information for himself on the 
oi of cold they will bear than he will be able to obtain from 
uthor 
=e have no wish to introduce the disputed question — plants 
ear m 
may be accustomed, after long cultivation, to b cold than 
when first introduc o this country from a snare sais or 
what we would call acclimatized. I know from ex nce, however, 
out in the o ound, or ey in corny out of doors in summer, will 
not bear so ugh aa ath — older plants in autumn or middle of 
winter. Indeed, with the greater part of plants 
this 
agra as well as ieee that tL hae had an opportunity of trying 
in this wa 
We should, therefore, always prefer old plants to put out gain 
we have the power of choice, before young plants; and when 
