THE GARDENERS' MAGAZINE. 
handsome plant has glaucous leaves a,nd 
stem, while in contrast the flowers are of a 
rich carmine-scarlet, prefaced very fr^ly in 
branching panicles. It is a native of North¬ 
western America, and requires to be fre¬ 
quently raised from seeds. 
P. gentianoides.—A sturdy growing plant. 
July 5 , 1913. 
OUTDOOR PEACHES AND “CST EdX'rai'IiiSt 
NECTARINES. a kmfe. By adopting tMs practice 
It is useless to attempt to grow peaches circulation of ^p ^ not injuriously checked 
and nectarines out of doors unless assiduous '°“^‘iuen% ^eir action Wb«, 
attention is given to their requirements, «hief objecU ,« 
growing pianiL, attention ts given w ^ ’ be kept in view are the retention of siifi 
with “vardaihle codoured flowers of violet and this m most ”S«ntly n«c^ J cient of the most promising and best-pUetd 
shades and a native of Mexico. It is one of throughout their growing and fruiting sea- both for the formation of properly 
the least hardy of the family. sons, to which these notes will chiefly rerer. balanced trees and for furnishing theai, 
P. glaber.—A beautiful dwarf and free- Enemies whole surface, with good fnit^ 
flowenng plant, rarely a foot in height. It is ' bearing wood; though this it sboold 
one of the most useful for the alpine house During the time the trees are in blossom, ^ remembered, cannot l>e obtiaed 
in pots, or for the rock garden. It c^s and in some situations (for several weeks ^^less the shoots are allowed enonrii 
into flower in May and continues throughout subsequently, they require protection from g^^ce for their leaves to be well « 
June. The flowers, varying in colour from f^ost. It is indiscreet to run risks by slack, p^ed to the sun. Apart from affordiie 
purole-viokt to blue or ^o^’ ness of attention to this, for it is easy advantages referred to, disbuddi^ 
in dense thyrsoid hea^. P. glaber var. r<«us ^ caught napping, and be deceived by ^jencflcial in improving the quality ^ik. 
"“d in this way have a crop “‘l‘fter Z diding^s 
tant factor introducing the valuable rai^of either much impaired or wh^y de- concentrated and ctue 
LrLt’s UnsteLons, P.^Hartwegi itself is a stroy^. At the remaining shoots to make increMed 
fiK^t-clasTborder plant. It is a native of growth, a close w^tch must be kept for ^^.^gress, and thus render necessary doie 
Mexico, grows about 2 ft. high, and bears aphis, and utK>n its first appearance the attention to tying and trammg, and to 
large scarlet flowers. Two of the most dis- trees should be properly spray^ with one stopping their (lateral growths, 
tinct varieties are albus, with creamy-white of the several well-known efficient msecti- _ 
flowers, rather longer in the tube than the cides, but in reality the best method to Thinning^ Fruiti 
tjpe; and roseus with pretty rose-coloured adopt, and that which is practised here, is favourable seasons the thinning of 
flowers. ^ to spray the trees in this (way at intervalis, owing to the trees usually, uak 
P. heterophyllus.—One of the most cnarm. commencing immediately Ibefbre the bios- conditions, setting more than 
ing plants in the genus, this is of f^b^nch- expand, and without waiting for dis- ^ perfection (becomes a neck¬ 
ing habit, growing about 1 ft. high, with nar- covered attacks. Only iby this means can . ^ yamties, Bellgarde pea<h for 
r^ leaves ^d ^ the trees be kept perfectly clear of aphis, more ^eely than ^ 
pleasing shade. It is for I ^nd their cultivators, in this respect, re- ^ ^ operation should be cob- 
liev^from .n.iety. Ou the ^her ^nd .as e^u JTt can be di-rn^ 
sheltered, well-drained positions, it will come this pest b^mes so establish^ fruits are taking a decided lead, be foHoi^ 
well through the winter, but young plants to be protected by curl^ leaves before gradually, and finished when the 
are readily raised from seeds, whilte cuttings attempts are made to dislodge it, there is ^ stone. The largest and 
strike freely in July and August. much difficulty in clearmg the tr^s, preference, those placed on the 
P. humilis is a low-growing plant from the and the young shoots are more or less fj.^nt of the stronget^ branches—should be 
Rocky Mountains, only a few inches high, permanently crippled, the crop of *ruit re- foj. the crop, the weight of 
with pretty blue flowers, which turn to a ceives injury, and the prospects of that ot ,be governed by the vigour, general 
rosy-purple with age. It is one of the the following season reduced. constitutixm and the treatment the treei 
hardiest, and should 'be planted in gritty soil insect pests red spider, next to aphis, ,^ith i^espect to stimulants. In »« 
and in a sunny, w^l-sheltered position usually the most troublesome to peaches, ^j-dinary way when fruit of the finest qua* 
u sub^shmbby, in ^ ™i,ally in dry seasons upon trees planted ^ required, one peach to each square 
habit, this species and its numerous forms are ^ ^ Th^g t will, or o™^arine to each squai 
^y" ^-eyef, be ^erless to cause injury rf rnehr ofThe tree’s surface, is 
colour, produced in great profusion. New- the roots are cient. It is not, however, 
>.AT.r^i w fl«wAr« ^ n. rasv-T>ink. while the ture, and their branches have unremitted follow a strict rule in this max 
herryi has flowers of a rosy-pink, while the 
variety Scouleri bears large, rich, blue-purpl"' 
flowers in such profusion as to hide the who I 
plant; most effective for borders. Con¬ 
sidered by some as a form of this species, 
P. Douglasi, with exceedingly large rose- 
coloured flowers, out of all proportion to the 
plant, is a very interesting kind. 
^ pubescens is an old garden plant, gro^ 
Derryi nas nowers 01 a rosy-pinx, wnne xne --cioseiy huiiwy » - - 
variety Scouleri bears large, rich, blue-purple attention paid to them with the gardei Nevertheless, it must not be forgot 
•..vnrvP''iioi^v, oo +iV,^ -Mrin^iia eugiue oT syringe, over-cropping is a mistake that some 
Mildew. disastrous effects upon the V 
Blister and Mi dew. productiveness. In order ^ 
At the oommenoement of leaf growth highest degree 
fungoid disease known as blister al^ ire- fruits, they should ss so®, 
,, - j T quently makes attacks, and this ^ stoning period is over and the s(^ 
P. pub^ens IS an old garden plant, grow- .^^inly likely to happen in exposed bleah ^ to commence, be 
positions, if the weather is cold^^ tHhe^sm and air. When they 
branching habit,^ with pnrplish-blue fleers, to its development. Under suCh ^ protected from 
having a pale-coloured lip. For the border_+1.0 in++nr.h« nre likelv to be ripen tney . epason be cti*' 
it is ^ry uWul, and one of the hardiest mem- conditions the ^ and during the gathe'uiig ^ 
bers of the genus. The illustration on the severe, «;«cnded te in this fl. 
S^ft^Wa^^ravT^k™^ te fuiil thetetfunctions. 0^ Ws are pro- ^^n^t rsT'a^s ter p^cven 
Farm. There are several forms of this in cul- tecW from spring frosts by canvas blm<lf. 
tivation, one, latifolius, with broader leaves 
and purplish-white flowers; and pygmseus, a 
diminutive form only a few inches nigh. 
The above represent but a small proporton 
of the desirable members of this genus. 
W. Irving. 
which are considered to lessen the ox^l, 
though they do not wholly i 
pick and burn the affected leaves is essen- 
Clerodendron fallax.— If grown 
cool, this clerodendron forms a noble fea)ture 
in the greenhouse during the summer, the 
large, upright panicles of flowers being, 
under such conditions, very richly coloured, 
while they also retain their beauty for a 
considerable time.—. T. 
Tibouchina heteromalla.— That 
popular greenhouse plant so well known as 
Lasiandra or Pleroma macrantha, is now 
placed in the genus Tibouchina, the specific 
name being changed to semi-decandra. 
Though an older plant, T. heteromalla 
much less grown than the 
to tell, it ' ’-^-- ^ 
Manurial 
pick and burn ttie attected imves i® 
tial, and as a remedy, (solutions of car- . ^ ^ to perfe^^ j j 
bonate of copper or of “Medela, ^sed in i artificial compcxi*^’• 
the form ofTspray immediately before "J^^rvalui^ble on« » 
the Ibfossoms expand, andl again sitbse- which thCTe are suitable^ 
quently, if needful, are found to be bene- .this desenph^ 
feial. As in the case with mildew some lieers. “ ^ring 
varieties are more suscepitible than are frnite’ development. I® ,• 
others to this disease. Sulphide of potas- stages of the 
stem allied as a spray, at the rate of ben;®;* 
half auTunce to a gallou of soft water as Sr 2 
joc. ... ..U.«k. .pp..r. I. . ...t... our. * 
for mi dew. seasons receive timely and i"* %is (»■ 
Disbudding;. tention. I write inttelligen^ giveu?^ 
■'The disbudding of khoots is a most im- ^nce because I h^e kw^ 
--- ^rtant detaU of management, necessitate tity of ■water 
r. heteromalla is gkilful manipulation, and particularly for the benefit of the surfa*®^^ 
other, and, truth |"Stke c^ yLng trees. It should be portion of it to run off tee s ^ 
iDAnuncr however, m tbe case ot young trees _ ^ operator appea»”« 
borne in panicles, are violet-purple in colour, up gradually, ^d ^oo^lft^^ Anv 
and about two inches across.—K. v . _r i. ^ 
M b=e woodr^terir ba;;: Any The Heudre Gardens. 
