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288 THE NI~R~‘;E’RY-i12;1NIJrlI,Convallaria (I,il!.-of.~tllcl-\‘;rllt~~). Liliftrt77~.I-Ianrlletl bp “ cr(fwik5 ” or “ pip’,” which art’ the separated growingpoints of the roots, possessing a strong bud. These crowns canbe oIGnc(l from an)’ wc~ll-cstiLl,lishccl bed in the fall, but they areusually importrd. Plants may bc di\~icled in spring. Fig. 56.Convolvulus (,Rindwecd) . ~o12Llolzlubac~?a~.Anniia,ls and perennials ; the former are easily grown from seedssown in the open or under glass ; t,he latter by seeds, by cuttingsof young wood, and by division.Corchorus (.Ju te). Tilicrcrcr.Annuals i,af warm countries easiljv grown from seeds ; others areperennial and grown from seeds, cuttings and division, but theyare little known in cultivat,ion.Gordia. Bora.gin.m=vv.Increased by seeds, cuttings of firm wood in heat.Cordyline. Lilirwcr.,Seeds when obtainable ; cut.tings ; root-cuttings ; air-layering.The dractvnas of gardeners are cordy 1 ines. They are readilyhandled, as dcscribecI by Eisele, by cutting tlie ripened stems ortrunks, from ~vhkh a.11 leaves ha\-c been removed, int,o pieces 2 to4 inches long. Thc~e are la,id either in very light soil or in sand inthe propagating-!)(>(I, where they receilye a bottom heat of aboutSO”? being barely oo\-erctl with sand or moss. The eyes soonstart into growth, and, as soon as thrxy have developed about sixleaves, these shoots are cut off wit,h a small heel and again placedin the propagating -bed unt.il rooted, after which they are potted offinto small p&s in Ii&t soil, kept close until they become established.The plant known in the market as Dracavra indiuisa grows readilyfrom seeds. Figs, 68, 92? 104, 119.Coreopsis, Calliopsis. Compos~l~.The annuals are readily grown from seeds started in the house orsown directly in the open. The perennials are grown from seed,by cuttings of growing wood in summer, and by division.Coriander (6loriandrum safi*cu.m). Umbdlz’fcr~.Seeds are sown in fall or spring ; they grow readily.Corn : itlnkc.I