(117

Vandellia numm: seed sent by J. Scott, after 2 or 3 generations raised in Hot House. —

When plants covered by net the perfect flowers sometimes spontaneously produce perfect flowers pods. —

Four perfect flowers were crossed & produced seed as below

(These flowers difficult to cross, & I did not feel sure that I had succeeded; but result shows, I think, that I did.)

132 [+] 111 [+] 129 [+] 96 [=] 468 average 117.5 (white Thread)

Six perfect flowers were artificially fert with own pollen & produced,

47 [+] 31 [+] 19 [+] 18 [+] 26 [+] 34 [=] 175 average 29.16 (Black thread)

(These seeds appeared very fine though so few in number.)

The minute Imperfect flowers set by scores & seed were counted in 9 pods pod taken by chance, viz

70 [+] 72 [+] 78 [+] 62 [+] 62 [+] 67 [+] 41 [+] 53 [+] 63 [=] 568 [÷] 9 [=] 63.11

(red thread)

We thus see that worst crossed produced more seed than best of Imperfect flowers; & the average of imperfect flower far above that of Perfect flowers self-fert.— The pollen of Imperfect flowers must be adapted for self-fert. — These seeds were sown in tripartite Pots. Ap. 19— 1871 & put in Hot-bed. —

(118

Vandellia.— May 22d Plants about 1 1/2 inch high

In Pot II alone the seed from perfect-flowers crossed are rather taller; but in other pots no marked difference.—

Pot	Perfect fl. Crossed	Perfect flowers self fert	Imperfect fl.
spont self-fert
1	3 6/	2 7/ 1/2	3 3/ 1/2
	4 2 1/2	3 6/ 1/2	2 7/
	4 0/ 1/2	3 6/ 1/2	3 3/
	3 3/ 1/2	4 1/ 1/2	4
	‹4 2/›
II	4 2/	4	4 3/
	5	4 3/	5 1/
	4 3/	4 7 1/2	4 3/
	4 2/	4 6/	4 2/
II	4 2/	4 0 1/2	4 3/
	5	4 3/	4 0/ 1/2
	4 3/	5	4 5/
	4 2/	4 5/	3 6 1/2
III	4 2/	4	4
	4 4/	4 2/	4 2/
	4 3/	4 3/	3 5/
	4 3/	4 7/	3 7/
‹I›V	3 6/ 1/2	3 7/	4 2/
	4 1/ 1/2	4 1 1/2	4 2/ 1/2
	4 1/	4 1/	4
	4 2/	4 0/ 1/2	4 2/
IV	4 3/	4 4/	4 3/
	4 4/	4 6/	4 4/
	5 2/	5 6/	5
	4 2/	4 5/	4 3.
	86 1/81/2	85 3/81/2	81 3/8
	X	X	X

ie rather less than 1/4 of inch between tallest on cross & self — considering how long plant are this is constant

July 1 June 20th 1871 The plants from seed from perfect flowers crossed by other flowers, flowered rather later than the other 2 lots —

(July 18th 1871. Plants now in full flower, & growth apparently almost completed & now measured.)

118

86.125

.062

20186.187

4.30 Average

4.27

.03

 

4.30

4.06

.24

 

85.375

.062

20185.437

4.27 Average

 

20181.375

4.06 Average