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Show 244 SUMMARY OF MEASUREMENT • CHAP. VII. TABLE B.-Relative Weights qf Plants from J>a1 ·euts c1·osserl 'With Pollen f r·om distinct Plants of the same Stoclr, and v lf-je?·l!'liscd. NAME OF PLANT . I Numh r I NumbC'r of ' russ d of R tr- Wcigl1t of the roi'is ,d Pla11t :-; Plants. I fnt il is tl taken us 100. Plant,.;. ---- ---- - - ---- lpomccn r.urpuren- plants of the lOth} generatiOn . . . . . . • . 6 G a ~ 100 to 44· Vund 'Ilia nummula.rifolia- lst genera-}I tion . . . . . . . . . 41 41 97 1 " " Brassi 'rt ol raccn.- l st generation . . 9 9 " " :~ 7 E::.chs ·holtzia californica- plants of the} ~nd ;cnern.tion . . . • • . 19 19 " , llS Rescun. 1 uten- 1 st g aeration, <>Town in} pots . . . . . . 24 2-1 ,, 21 " Ue · da lutea- l t generation, O'l'Own in} open ground . . . . . . . 8 ,, " 4-0 R 'S 'dn otlornta- 1 t generation, de-c' ndctl from a highly self-fertile 19 19 t)/ plant, grown in pots " " Ut's'da ouorata-1 ·t g neration, de-seem{ tl_ from a semi- clf'- ·t erile plant, 20 20 8~1 grown 1ll pot · . . . . . . . ,. Dianthu · caryophy llu s -plan~ s of th.} +D 3rd generation. 8 " ,, Petunia violac a-plant of the 5tl~} generation, in poti'i . 22 21 " :• 2:2 P tunia violacea-plants of the 5t~} 10 10 :Hi generation, in op n grounu CHAP. VII. SUMMARY OF MEASUREMENTS. 245 TABLE C.-Relative !!eights, Weights, and FertiUty of Plants f rom Parents crossed by a fresh Stock, and fr·om P arents either selffertilised or ~·ntercrossed with Plan ts of the same Stoclc. ~ "C '..!. .1!3 "C 1>,00 (1) S.ui § Jj~ § ."....". "0" '~ 00 til ~~ .t:.£ til 3o ~ C1) Q) .... ~ _Jgw ...c:l .0 Cl)Cl}c;l 0 ~] 0 ~:5 ..... §~ . 9 .9 "0,..,.!4 ~~ ~~ 1:1 1:: 0 NAMES OF PLANTS AND NATURE ~..:. ...... ...c:~ ~ ~ ...... ...c:l :<!00 ..,.btl P:: ~ ..>i ..,.btl ~ .. ~UJ Cl) ~ ...c:l'""' ...c:l'""' OF THE EXPERIMENTS. :;;::! 'bCiC) ~Cl) ..C:lli '"~"'o 8o 'bQtl)Q~) ~~...c:l ..... ...... '@ § ~ 0 ~ ~ 'O 'c"' ~ ~ ~a:~ ,... r.o C1) C1) $:g bl) ]~ ~ ~ ..s C1) ~ s,... ~ Ef .;J ,... ~-BoSe ~ Q C1) t> r:l .... t> . Qj .._.·~o z ~ ~'+'<0 ~ ~ 0 ~ ------------------------- lpomrea purpurea- offspring o~ plants intercrossed for ,nine gen- I orations and then crossed by a 19 84•03 19 65 · 78 as 100 ~.o 78 fresh stock, compared with I plants of the lOth intercrossed generation . • • • • . Ipomrea purpurea - off•pring o~ plants intercrossed for nine gen-erations and then crossed by a fresh stock, compared with " " 51 plants of the lOth intercrossed generation, in fertility • • . Mimulus luteus-offspring of plants self-fertilised for eight genera-tions and then crossed by a fresh 28 21·62 19 10•44 " " 52 stock, compared with plants of the 9th self-fertilised generation M imu I us I u teus-offspri n g of pIan t'l self-fertilised for eiO"ht O'enera- ' 0 0 t10ns and then crossed by a fresh 3 stock, compared with plants of " " ~he 9th self-fertilised generation, m fertilit.y , • • . • . Mimulus luteus-offspriug of plants s~lf-fertilised for eight genera-t10ns and then crossed by a fresh stock, compared with the off-spring of a plant self-fertilised 28 21•62 27 12•20 " " .')6 ror eight generations, and then mtercrossed with another self-fertilised plant of the same gen-eration • • • • • • • |