'.'CD i\ ciim'kiîkm;!'; imkiiwïih.wi.k iik (.km.tk.ili;. 



'J" 'Plie rociiirocal crosses mav ^'ive difîprcnl liyhritl forms. ('. lailanifr- 

 rits X ''. Iiirsiili/x. — \'i liybrids wero ohiained, witli lanceolalo leaves. Fi-oin 

 llie i'(^("iprocal cross, S hybrids wore oljlained, mUIi oval-nMnse leaves. 



Ti" 'l'Iie rociprocal hybrids may resemblc eacli nllnr iii two ways : Isl, bv 

 llirir iiiiifoiiiiily ; tiiid, l)ccaiiso tlicy consisl of siinihir. licl('r(ji!:iMioiis lypcs: 

 an r\,-iiii|ilc iif lliis iicciirs ili ''. <illii(liix C. /idli/Diui/ilutx !~{_\]is\>. ril/u.-iits. and 

 llio rcciprocal cross. 



i" Tlie hyln'ids always possoss soinc ol' Uic chaiaclcrs of lin- jiarcnl spe- 

 cics; llu're arc many cases in wliirli liic iiybrids cxaclly rcscnii>l(' onc or olhcr 

 of llie parenls. For insLancc. in ''. h/urifolhc^ X C. iailaniferitn firiecn iiyl)rid 

 or inlormcdiate l'orms woro (iMaiiuMl. and four planis wiucli cxaclly rcscmbjcd 

 llic maie parent. 



Il may bc conclinled liial llic lirsl licneraliun l'nmi criissc^ belwceii spi;<-ie> 

 of liic tjcnus dix/iix inav bc unil'onn in l\|ic. or ina\ l)c liclcrdticiicnns. 



