CHE REFERENCE LIBRARY - ZetaTalk

PROPAGATION BY SEPARATION AND DIVISION 59t.hey may he planted in pots or flat.s a,nt-ibe treated dwut the same as single-eye Acuttings. In some lilies, the hulbels areallowed to remain attached, and thewhole mass is planted in autumn in dosedrills. SomeGmes the lakger lily bulbelsmay produce flowers the following (orfirst,) season, but they usually require the” 4 ~ r-wh01e of the sewnd season in whkh to (:lltJ hys-0,II1plete their growth. The second au- rinth hul,,els bulb wit,h resultingtumn they are ready to be permanently ’planted. Mbels of some species require even a Ionger timein which to mature into bulbs.I3ulbels are sometimes produced by a,n injury to the bulb.Growth of stem and leaves is more or less checked and theenergy is directed to the format,ion of minute buds, or bulbs,a,s adventitious buds form on a wounded stem. Advantage istaken of this fa(at to multiply some bulbous plants, and in thecase of the hylc+lths, at least, the mutilation of bulbs for thispurpose is practiced to a conimerciaJ extent.E-Iyacir:th bulbs are cut in two, orare slashed in va,rious ways. The favoritemethod is to make deep transversecuts into the base of the bulb (Fig. 46).The strongest bulbs should be chosen,md the opera’tion is performed in springor early summer, when the bulb is takenFrti. 47. HollowwI hya- q’. The bulbs arc sometimes hollowedninth lmll~out from the under side for half or moreof their depth. This operation is sometimes performed la.terin the season than the other, and precaution should be exer-