CHE REFERENCE LIBRARY - ZetaTalk

THE NURSERY-LIST 265Calaciium. A rcwff.Handled by tu\)crs, ivhich have been kept dry or rested forsome time. The cut surfaces should be well dusted with powderedcharcoal to prevent. deca,y. Place in small pots where the nighttemperature is mainta,ined from 60” to 65’. Large tubers, ifsound, may be di\*itlvd and the pieces potted ; some also bycuttings. New forms raised from seed. See ~rnccoe, page 239. ,: Calamagrostis. Crra t21 iwa2.Multiplied by suds sown in autumn or spring.Calamus. I’d IPI wfw.1 ncreawd by seeds in heat. See Y&k?, page 371.Calan&inia, I’t3iiflilfifflWiE.Propagated mostly by seeds in this country, as they are annualsor treated as such for flower-garden bloom. C. unabellata, andorher perennials, may also be grown from cuttings.Calanthe. Orchidacrw.Readily handled by separating the pseudobulbs when repotting ;young bulbs often appe:ir on the top of the old ones ; the old bulbswilt &art agaiti the second year.Calatliaa. AL-mmf~Cff-F.Tubers may be used for propagation, when produced. At:ommon method is to divide the crowns. When secondary growthsor suckers arise, they ma,y be taken ofi below the joints, preferablyin spring before growth starts.Calceolaaia (Slipperwort). h%rophuZariacelie.The herbaceous calceolaria.s, treated practically as annuals, aregrown from seed. Sow on finely sifted soil and be very carefulwith watering ; it is a gobd pla,n to sink the pan or pot into waterwhen needed rather than to water on top. Tempera,ture should beabout 60” ; protect from sun. Seeds may be sown from late springto early autumn to get plants for the succeeding wint,er and spring.The shrubby calccolarias may br grown from seeds the same asthe ot.hers, but cuttings may also be employed with good results.When the plant is trimmed in late summer or early autumn, thecuttings of firm wood are taken, with two joints. The temperatureof the ho-use should 13 bc about 45” to 50”, and the cut.tings should beprotected from the sun.