CHE REFERENCE LIBRARY - Pole Shift Survival Information

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THE NURSERY-LIST 397
used for the five-leaved species, and the Scotch or Austrian
for three-leaved and two-leaved species.
pine
Piper (Pepper. Cubeb) . Fiyeracm.
All pipers are increased by cuttings of the firm-growing shoots
in sandy soil under glass ; also by seeds when they are to be had.
Piqueria. Co m posifa?.
The common Piperia trinervia (t.he &via, serrata of florists) is
generally grown from cuttings, like fuchsias and carnations ; also
by sods, 61&h are frt-e’l~~ produced, and by division.
Pistacia. .-I rl ucu rd km.
Propagated by seeds, cuttings and la>Fers. The pistachio-nut,
pi~tnc~he, OI “ green :~lmon(l ” (P. .wra), is grnwn from seeds, which
are planted where the trees are to stand. Named varieties of the
pistache are often grafted on stocks of P. Terebinthus, or budded on
t,hern or otller stocks in the nursery row. The best and most available
stocks for this country a.re yet to be determined by longer
trial.
Pistia. A rcmv.
Propagation is by runners, on which new plants are formed.
see ,-I rmw, page 239.
Pisum :
Pm.
Di+raiinin * .,“---cr. B ro !!diacPcp.
Propagation as for billbergia, which seg,
Pitcher--Plant :
11’t~ptlrthus, Sarracmia.
Pithecoctenium. Big?ror! iace@:
propaga;;or1 as for bignonia, which see.
Pittosporum. Pittosyorucr~.
Propagated 1)~ studs sown in winter or early spring in ordinary -
soil in ti cool gr~t~nhouse. and by cuttings of the growing or halfripe
wood, 11 ntler glass. Grafting is sometimes practiced, P. undula-
~UW btaing one of thtb best stock:;.
Planera (\Yatclr-Elm). C.Trfimftw.
Propagated by SW~S Sown soon after ripening in May ; also by
layers, and by grafting on the elm.