(22

Lettuce. var. Grt. London Cos Lactuca sativa

Two plants growing close together; one was covered & the other allowed to cross freely with another one other? uncovered plant. But season very bad & insects not much about & few seeds produced. —

Seeds planted viz lots in same glass Oct 19' 4° 30' P.m. & on Oct 20th at 9° P.m. one real lot germinated on 21st— about equal numbers & many germinated in both lots —

(Dec. 1st no difference in any Sand lot) all dying. — In pot, perhaps crossed finest.) (Feb. 10th in sand equal) & in Pot, now fine plants quite equal.)

(March 21. equal) (June 3d. sometime ago, both turned out of Pot, & put in K. G. Crossed now look finest.)

(June 30. The supposed crossed Plants nearly flowering two tallest 27 & 25 inch

Two tallest self- plants 21 1/2 & 20 inches)

see back for see number of seeds of these as supposed crossed & self plants.

These seeds put on damps sand Oct 5. 1867 & will form plants of 2d generation. —

22A

Plants of 2d generation Seeds from 1' generation

Lettuce

Crossed Plants crossed. Self-plants self-fertilised

24 flowers 36 flowers

Crossed Plants Crossed.	Self- plants self-fertilised
24 flowers were crossed & produced only	36 flower were smeared with own pollen & 22 heads with seeds.
Many crossed flowers quite aborted !!!
1 [+] 7 [+] 11 [+] 3 [+] 4 [+] 6 [+] 1	5 [+] 6 [+] 1 [+] 13 [+] 13 [+] 16 [+] 0 [+] 9  8 [+] 2 [+] 11 [+] 12 [+] 3 [+] 5 [+] 4 [+] 8 [+] 3 [+] 4 [+] 4 [+] 10 [+] 8 [+] 6 [+] 16 [+] 8

 

Seeds sown Oct. 5 1867. The plants which come from these seeds will be second generation.

22A

59.5 [÷] 3 [=] 19.83 Average 45 [÷] 3 [=] 15 Average 24.5 [÷] 2 [=] 12.25 Average

(22 A

Lettuce of 2d Generation.

Seeds after germination were planted on opposite sides of 2 Pots & now Dec. 30 67/, they are to tips of leaves 5 inches high; & quite equal on opposite sides of Pots.

(April 3d. 68 still no difference on 2 sides of either Pot)

(June 5 /68 The crossed rather lowest but flowered one day before the self-plant.)

(June 14th 1868. — The Plants in Pot. 2 were turned out of Pot. (earth not broken) & placed in open ground; but they were sadly injured by change; & now have made flower stems, but not yet in flower.

Pot 2 — June 14th
3. Crossed Plants	29 1/2inches	— 17 1/2inchs	— 12 1/2inchs	59 1/2
3. self Plants	24	— 10	— 11	45
Pot 3
2 Crossed Plants still in Pot	14inch	— 10 1/2inches.	24 1/2
1 self Plant (the other died).	9 1/2		9 1/2
			add up

[22Av]

136. 0

96 0/1

 

3

136 [÷] 7 [=] 19.43    96 [÷] 6 [=] 16.