[28]

Cassia pubescens

June 10' 11º 35

12º 50

1º 40 to left & down

2. 40 down & to left

3. 6 down & to right

3. 53 same course

5 greatly down, same course

6. 15' down & left

7' 20 down far

9 far down

10.50 near same spot (older leaves well asleep)

11th 6º 40' up & to left

8º 15 up

9º to left & little down

9.55 up & to right

10.38 down

11.20 little more down

11 53 up & to right

12.55 down & to right

1.55 down

3º far down

4º to left rather up

5. 10' far down

6 7 down.

7.18 to left & down

9' to right

10.35 to right.

12th

6.50

8.40 up & to left

9 13 little up & to right

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an extraordinary amount of pollen which is always incoherent, and in the stigma often being largely developed or plumose. We certainly owe the beauty and odour of our flowers and the storage of nectar or a large supply of honey to the existence of insects.

[Cross and self fertilisation, p. 381: "Anemophilous flowers resemble in many respects cleistogene flowers, but differ widely in not being closed, in producing an extraordinary amount of pollen which is always incoherent, and in the stigma often being largely developed or plumose. We certainly owe the beauty and odour of our flowers and the storage of a large supply of honey to the existence of insects."]

[29]

Cassia pubescens continued

12th

10º 12 up & to left Is not odd course owing to rotation of leaves?

10.45 do

11.15 to left

12.10 a little down & to left

1º a do do do

2º do do do

3.5 down

4 down & to left

5 far down & to right

6 down & to right

7.15 almost perpendicularly down.

13th

6º 30 [sketch]

8º 15

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to the distance from which pollen is often brought, no one who has had any experience would expect for instance to obtain pure cabbage-seed, if a plant of another variety grew within two or three hundred yards. An accurate observer, the late Mr. Masters of Canterbury wrote to assured me that he once had his whole stock of seeds "seriously affected with purple bastards," by some plants of purple kale which flowered in a

[Cross and self fertilisation, p. 378: "With respect to the distance from which pollen is often brought, no one who has had any experience would expect to obtain pure cabbage-seed, for instance, if a plant of another variety grew within two or three hundred yards. An accurate observer, the late Mr. Masters of Canterbury, assured me that he once had his whole stock of seeds "seriously affected with purple bastards," by some plants of purple kale which flowered in a cottager's garden at the distance of half a mile; no other plant of this variety growing any nearer.*"]