CHE REFERENCE LIBRARY - ZetaTalk

254 THE NURSERY-MANUALBlandfordia. 1T,il!invm.Multiplit:d by stx& sown in sandy peat. with mild bottom heat ;by offsets ; and by division of the old plants, which must be performedwl~n repotting in early spring.Blechnum. ~~ol!llt(~(lict~‘rl(~,Propag:ltvtl 1)~ spores ant1 by tli\rision from the end of the rhi-20111e. Sf?l~ l’;‘/‘~IS, I’;‘#’ :i 12.c’9wh l&rtw.Bletia and Bletilla.These arch ttvestriill, and their fla,t rollndish pseudobull)s art’Propagateci i)y rrmo\~ing and perhaps di\.iding bushes or clu~npsfrom the wild ; by’ 1;~~~s ;- by cuttings ; b>r seeds ; by graftage.S~tls w;~l~tl froui frtbsh I)errics and solved at once in two partsof peat to one part of &3ii Silnd will Ijegin to germinate in two tofour weeks if t IW nigllt tthmperature is kept down to 60” F.Selected and h>.l)riti blueberries do not, “ come true” from st~l.Lowbush blut~bc~rrit~s whicll spread 1,~. rootstocks are readily propil&ltdbJ7 cli\*ision, !)u t highbusll blueberries u:;ually have norootstocks tIlla fxllllot t,e propagated satisfactorily in this waJv.Layering and Irlolincl-la?t~rin:: are easy but slow. Soft-woodcuttings root with great rlifliculty 13t’C’ilUSt1 of the escessiye heatof summer. YilriOllS Spt‘Ciill nlt~thods of propagation haIre beendevised. 1‘1 It‘ most ~kdd of these arv “stumping” (which, likelayering, is slow), “ tubering,” ant1 wintrv cuttings. Buddedplants are unsuital)hb for pcrmanc~nt. plilntiIIgS l~cause they ilrtbcontinuallJv sending up new and undesirable shoots from t 11thstock., but butltlitl(p h iltfC)l’llS tilt> quickest 111t’UIlS Of growing it largeamount of clotting-wootl ~froin a ~~aluable ~‘oung hybrid. (hftingis more difiivrilt ikilt less SiltiSfiWtOQ~ than budding.The sand usccl ill vutting-t)t& should be clean, with referenctbespecially to Clil)‘, Imcteria, lime, and At ; the peat either bogor upla.nd, I jut formed from t~ri~a~ous plants and taken fromnear the surface ; tllld ttltl Wilter free from lime.bstl~trl.ph-f-. --- (‘ut the bush to the ground in the dormant season,outdoors. C’o~r the stumps 2 to 3 inches with a mixture of 1