G. ^. COLLINS AMI .1. II. KKMl'TON. - IMIKIIITANCF, (11'' WAXV i:,MlllSI'KI;M. ."..V) 



In l'JlO thc wliile and colorcd seeds ol' Dhli were planled separalely and a 

 nuniber of plants ol'oach were self-pollinaled. Ears from the while seed, pedi- 

 i^rces !2!2'p and 507, Table I, produccd al! wliile seeds whitli Ihe percenlage of 

 waxy seed ranj^ing l'roni 17.7 to t*S.."i. Tlie five selfed ears from the colored 

 geeds of Dhli produeed ail four classes of seed in the proportions showu in 

 Table Vil, Ihe lolal peirenlaijc of waxy seeds ranged from ir>.i to ">.'i: in llio 

 individiial ears the percentagc of white seeds ranged from 7)2 lo (ill.S. Ju nll 

 the ears therc was a positive corrélation betvveen the colored and JKiniy clia- 

 racters. 



TAIUK VII 



[Wlulr Mr., irai, - //»/./ Cil,,,;;!. M/, \'.t ■ Wliilr t:l,i„rKr. /Ml, 

 i:„UuT,l sr,,l i,l„,ilr,l niiil srlf-linlliii„lr,l. 



ToiAT, . . . .■|,'i02 1.200 "ùS l,.-,Ol 20."i .JW 



Xiiplia lUnrL- ,in,l Wliih' <liin.'s,'. 



In l'.MH) a cross was made lictwen NI, a \aiiety from Salvailor wilh Mack 

 alenrone and horny endosperm, and DU, the white C.hinese. The seeds of Ihe 

 resiilting car, Dh!20, ail had a colored aleurone and a horny endosperm. The 

 classes secured in one self-pollinated ear, lltlo, are shown in Table VIII. Only 

 (i.j seeds matured but there wasagain a positive corrélation belween thecolored 

 aleurone and the horny endosperm. 2I.."> pcrceni uf Ihe lolal numlier of seeds 

 were waxy and "jO.S percent were white. 



TAiii.i: '«III 



Xiililii, Illiirl. X While (:i,,H,-sri X Sri/. 



A second plant of the hybrid Dh!2(), described above, was crossed back on 

 Dll, Ihe parent possessing colorless aleurone and waxy endosperm, l)oth réces- 

 sive characters. The resulting ear again showed a small but definite positive 

 corrélation between colored aleurone and horny endosperm. Thc total nuniber 

 of white seeds represenled 72.5 percent. The total nuinber of waxy seeds was 

 U).') percent. Since this was a cross between a first génération hylirid and the 

 récessive parent, the expected ration was M) peneul wilh respect to each 

 character. The classes arc shown in Table l.\. 



T\i;th; i\ 



■X„lill„ lllurl. X II/"''- Clillli'si'] -X. [Wllllc V.hilirsr . 



