CHE REFERENCE LIBRARY - Pole Shift Survival Information

THE NtJRSERY-LIST 337
Hyd.rangea, I-Iortcnsia. ~‘insifrqt~r~~.
Seeds may be employed when they are produced ; but usually
the hardy speck5 ;w propagated by green cuttings in summer,
under glass (seVou Ii& 7 wood, usually in late winter. Layers are occasionally
emplo)vetl, ant1 suckers can be separated from some species,
Sometimes the hard>, species are forced for purposes of propagation
by cuttage. II. qrtrwifoliu is propagatecl by little suckers or
&’ root pips.‘* 11. pmic~~~lu~tu var. yrandiJEo~ can be propagated
easily from the >-owl ,:’ wood, taken in June and planted under
glass.
Hydrastis (Goldenseal). ticrnl~,}~.c1c,lu,clra7.
Seeds sown in autumn or spring in a well-protected shady place
should grow rcadilj-. Old plants or colonies may be divided.
Hydriastele. l+rl WC’VW.
I’ropagated by SWlS. See Pnlms, page 377.
Hydrocleis (\Yatt~r-Poppy). Blctorr~~rc~.
Propagated 11)~ tlividing the rooting sterns.
Hydrocotyle (\Yater Pennywort). liudw/hfer~.
Increased !)I’ seeds, cuttings or layers. Usually spreads by the ’
rooting stems.
Hylocereus (separated from the old genus Cereus).
For propagation, see CJncfi, page 261.
CactacecE3.
Hymenocallis. -4 ~r~(ir!~llidnceaf.
Increased 1,~ ofscts from the bulbs. Treated the same as
tlmaryllis and paneratium, which see.
Hymenophyllum (Filmy Fern). ~~!!~~?,c~?Loph?lllacE~.
Propagated 1,~ spores ant1 I))7 divicling the roots. See Fen2s.
Hypericum (St . J ohn’s-\l’or t ). Ily ycricacm.
Most of the species grow readily from seeds. Some of them produce
runners that may be used as cuttings or layers. The shrubby
kinds are handled by cuttings of green wood under glass in summer.
Division may be practiced in some cases, and suckers may be
removed wl1e11 thy are produced.
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