CHE REFERENCE LIBRARY - Pole Shift Survival Information

426 THE Nr!RSER~-n-l.aIvrJAL
Strelitzia (Bird-of-Paradise Flower), Mzcsncr~~.
Grown by seeds, wlGc*h USlli~ll~ are produced only When flowers
are artificially pollinatrcl ; more ~tn~nonl~ l)y suckers, and sometimes
by division of thtb plant.
Streptocarpus (( ‘ape Primrose). (if3)I far ifwfw.
Readily propaqttd by srleds ;tn(l 1)~ clivision ; also by leafcuttings.
Seeds should not 1~ clovcBrr>d too (leep, and put in open
sunn;’ place in intermedititt~ ternper ture. SW Cr~sI~~rincle~, page 31~8.
Stredtosolen. Soiurrcrcf~fr.
Propagated b?- riittings, much its for geraniums.
Strobilanthes, including (;oItlfllhL:i;t. 4~icaz~~thacc~.
Increased by s&s and (nuttings, the latter taken of green wood
a1lcl StiIrttd under g\aSS.
Styrax (Storas). Sfyrtrruwff.
Raised from seeds, which must be stratified, or else sown as soon
as ripe. They usually- lie dormant the first. year. Also increased by
layers and SOIW species I)y cnt tings of green wood. They can be
grafted on other storaxes, or on IInlesiw mrolha.
Sugar-Cane (Sasrhrrru rtt cdfisirrtr f*:! m ). Circxm item.
Increased by cuttings of the stems. The cuttings should have a
node or joint which bears on0 or mortl good buds. These cuttings
are planted directl>- in the fkld, iLtltl th pliLntS Kill reach maturity
in two or three months. Propagation k)y seeds was once supposed
to be impossible, but it is now so raised in Cuba, and in the British
FYest Indies, where the plant produces seed.
Sunflower (Helianthus sp.). Cov~positcr.
The common garden and fit>ic-I sunflower is raised from seeds
planted where the plant is to grow. Perennials are also grown from
seeds as well as b>* division. Some species increase naturally by
rhizomes a nd tubers. See Ndicrr2th~c.s; also ,4 rfirizokc (Jcrwalem).
Swainsona. Lymt iuosff.
Propagated by cuttings ; those taken in late winter bloom in summer
; for winter I)loom cuttings rna,y be made in spring and summer.
Sweet Pea (Lrrfhgrrrs rdorrrfus). hgtrm i~osn.
Raised from seed, .c;own either in fall or spring where the plants
are to be grown, or rardy in pots and transpianted to the open for
early bloom or special varieties. For winter blooming under glass a