332 LOCK: STUDIES IN PLANT BREEDING 
All the offspring of (w) plants produced white flowers 
only. Of the offspring of (p) plants, eight families produced 
coloured flowers only, and twenty-one families included 
plants with white and plants with coloured flowers. Among 
the offspring of (f) plants four families produced coloured 
flowers only, four families included both types. 
The seeds of the offspring of the above (F 2 ) plants were 
also examined, namely, those of 803 (F 3 ) plants in all. 
(а) Offspring of (p) plants 
The offspringof 15 plants included 165 (p), 55 (f), 71 (w). 
5 »• 77 (p), 26(f). 
” 6 88(p),26(w). 
” 3 „ 55 (p) only. 
(б) Offspring of (f) plants 
The offspring of 4 plants included 66 (f), 19 (w). 
” 4 „ 56(f) only. 
(c) Offspring of (w) plants 
Theoffepringof 7 plants included <w) only, altogether 
yy plants. 
tr fr res Wil1 ** 88911 10 be in ™T close agreement 
‘ 1801 ' etlcal explanation already given. 
. 8 a 0Te 1^ 3) plants, 33 had inflated pods and 11 had 
The the latter in F, 
included 179 plants all with constricted pods. 
fam l ea 6 ^ ° f (Fa) Plants with infla ‘ ed Pods twenty 
with ' flTa 8 pIantsof both forms, namely, 295 plants 
t 2 77 ^ “nstricted pods; or 3-9: 1, 
vi 2 1 ,2?2 S n„r;!;:: t r 1 '“ led piants wuh pods oniy ’ 
con T -L^r en0e ° f the rati0 3 ' 9 = 1. from that .13:1, 
T 6ed9 the probabl8 for a sample of 372 
«r t r m,M#Bbl8 -“ber of plants in this 
genemtmn rtpened no pods at all owing to the bad weather, 
ms reasonable to suppose that the soft pods were 
