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THE *iVURSERY--LIST 403slioultl pl*otluce full-sized tubers. Potatoes are grown from seed onlyfor the procluction of now varieties. Potatoes may be grown fromstem-cuttings, tiLk(hn ils for geraniums. The cutting will produceone or more small tubers underground, and these may be growntlic same as the small tubers raised from :iocds, but new varietiesart not produced this way. Figs. 101, 102.If thrb seed is sown J)y April 1 following maturity, in a hotbedor prccnhorise , and pricked out or potted OR when the first true leafis dc‘vt~lopecl, and transplanted to the open field in the latter part ofAIay or early .June, ma,ny of the seedlings will produce Pull-sizedtiil~t~rs tllch first season, tlierr4~y saving at least one year’s time as itis t htbn possibk to detcrminc whethrr they are promising or not. --II 'illirr m Stictirf.Potentilla (cl inquefoil. Five-Finger). I’(osn~ce.PIW~i~~~ttYl by seeds, layers, division, rarely by green cuttings.Pothos. L4 rtrcecr.Propagation a9 for pliilodentlron,1,y dividing the rooting stems.Primula, Pol~~nnthus (Primrose. (‘owslip). I’ritrlltlnwa~.Grolvn Prom set&, sown carefully in very fine soil, under glass.Thtby rllia~- 1~ sown in Ft~brllar>~ in pans or flats in a mixture of loam,leikf-lllt>ltl allcl Sii~Iltl, ~~liL~‘t’~l in a WiLlVn greenhouse. Seeds may also1x1 sown ii1 iL col(lfr:l.rrlc? in April or 3IiLy. The seeds should bc fresh ;Oltl OIlc’S OftchIl litb ~lOl.ltlilIlt iL ytl:lr. RIiLIly har(ly kinds are increasedbar (Ii\-Lion, in Scpt~~mt)t~r. Set-1 ,,I uricaulrr.Pritchardia. I’d III~~.Grown from iniporttitl stbtbds. See I’tllIrrs, page 377.Protea.I’ropa~att4Profrwfw.by iniportc4 sectis.Prune ( 1’1’~~ 11.3 iJorrrr3fic~rr). lCoscmw.I’runcs itrt’ plLIll~S. Tiie commt~rcial product is a driQd plum.Propagation iri all ways as for otlirlr kinds of plums.Prunus (;\l!nonil. Apricot . ClitW>v. Pcacll. Plum). I10sWrW.The d\v;lrC iilnl(,*l(l5 (A\I1lJ*~tli~,lllS) iLI’C’ increased by SNdS, division,cuttings, and by l~uddin, (7 on seedling plum or pea.ch stocks ; also byroot-cuatings. PWc4n stock 3 gi\:tb lurgcr trees at first than plumstocks, lkut thcb trees arc’ not so long-lived. Perhaps ten years may beconsidered the average life of most ornamental almonds upon the