BOTANICAL GAZETTE [MARCH 
TABLE IX 
LENGTH OF POD, 1907 
SEEDS DEVELOP- 
ING PER POD 
4 s 6 7 8 9 10 Ir Totals 
(Bir Matis or weary a 2 a I Y Aue WAR ba 3 
Bee ce ces. ot 123 174 138 30 14 Io ee 519 
Bete Sine a 2 38 99 93 73 17 9 I 332 
GB niet bat i i 15 46 46 41 21 2 4 175 
PTSD ec epee se 2 18 24 24 12 ee 3 83 
Soir cu. I 2 9 13 17 7 3 I 53 
De nes ee oy 5 5 4 7 I ee 22 
Poe pe ka ek I i 3 3 I I 2 a 9 
Be eee es 2 2 2 5 ine II 
ee has I I I I 4 
Li Se Saeco te rae as Ks I Ay I 
| ope Se I oe I 2 
Mees cai ec ee I I 
3, an a Pee ae : es a 
Reis ae 
LP ere eee 2 2 
Piece eo a ae I ce I 
Oe s 24 | 183 | 355 | 329 | 204 | 86 27 Io 1218 
TABLE X 
COMPARISON OF CORRELATIONS FOR LENGTH AND SEEDS AND OVULES PER LOCULE WITH 
THOSE FOR LENGTH AND TOTAL SEEDS AND OVULES PER FRUIT 
CONSTANTS FOR TWO YEARS 
1907 
RELATIONSHIP 
1906 
For ovules and lengt 
Individual locules, means.............. : 
Individual locules, population.......... .0652 .0148 
otal ovules, population............... .0729 .0148 
For seeds and length 
Individual locules, means.............. 
Individual locules 2 nce men Nee uae - 3522 .0131 
Total seeds, population................ - 5888 = .0097 
" 
.1240 
.0261 = .0193 
.02909= .O193 
. 3636 
. 2019 .0185 
-3235 * .O173 
To test this matter a little further, I have determined the corre- 
lation ratio” (7) for comparison with the coefficient of correlation. 
For 1906, 7=. 
For 1906, r=. 
n—7r= .00843 
i BS Loco 
59724 .00958; for 1907, = .37720+ .01658 
58881 .00973; for 1907, r=. 32351 .01731 
05369 
@ PEARSON, K., On the general theory of skew correlation and non-linear regres- 
sion. Draper’s Compariy Research Memoirs, Biometric Series, 2. London. 1905. 
