CHE REFERENCE LIBRARY - ZetaTalk

286 THE NURSERI’-Il~;lN~?rlLCodiaxtm ((‘roton of gnrckners). ~uphorbiaw~.sew \-aritbtit5 ill’t’ produced by seckd, started in heat. Cuttingsof half-ripcnecl t~ooct taken in winter or spring make goodplants if struck in a hottom heat of SO”. Large branches nmy bemoused (air-layered) and ~na.c:le thereby into separate plants ; thistreatment is often also employed with old t,all plants : an incisionis mack in tl~b strlu beneath the crown of leaves ad moss istied about the plant, and in ahout three weeks it should he read)to be se\*crcd and potttd.Ccelogyne. Orch iclwvrF.Propagated 1,~ cli\-ision and by taking off the back bulbs.Orc’hids, page ST?.SeeCoffea i]ccrt?t*~). R?h-rrrt~rr~.I-rider glass as iln ornamental or “ economic ” plant, coffee maybe grown from ripe cuttings.As a crop in the tropics, coffee is raised from seeds. Sometimesyoluntecr st4ling:; in old plantations are used, but it: is best top!nnt ihe seeds, after the pulp is remolyed, in carefully preparedshaded seed-he&, well protected from hearer rains. In ten to twelveweeks, the plants should be ready to transplant to nursery rows,the first foliage len\~t~s hal4ng appea,red. The tap-roots are cutback. LIfttAr ai)c,ut five pairs of true leaves are driveloped, theplants ma>’ 1~ scbt in the field ; they should bear in three or fouryears.Coix (.Job’s Tears). Gaut irtr~a~.Grown from seeds, sometimes started indoors with heat.Colchicum (.-Iuturnn Oocus). I,iliuccce.Increased h?, SW&~ as so011 a$ ripe, June to hiy ; tliso propagatedb>, separation just after the leaves die, end of June or early July.Coleus. Liil~icrfcr.hlultiplicd b). seeds (which grow readily) for new Lrarieties ; alsoby cuttings of soft growing shoots with the greatest ease at anyseason. J*‘ig. 117.Collards (Brrl~ic~ oI~~rucca yar. accphala) . Cr uciferw.Grown from seeds: in the South started in February and Marchso that growth rnq- be made before hot weather, in the North inJuly\- or Ilugust so that the growth may bc made before winter.