[38]

Light Celery

Celery seedling Left-Hand

(Celery)

(Fig 202)

Sept. 18th

Right-Hand old seedling

no lettering attend to position of dots: my lines are not quite true

Sept 18th

[39v]

82

Ipomoea

being having been castrated) with pollen taken from plants, raised from seed of plants belonging to the same variety but to a quite distinct family, which had been grown in a distinct ant garden at Colchester, and therefore under somewhat different conditions. The capsules produced by this cross contained to my surprise fewer seeds and lighter seeds than did the capsules of the intercrossed plants; but this I think, must have been accidental. The seedlings raised from them flowers fertilised by the Colchester stock, I will call the 'Colchester crossed'. The two lots of seeds, after germinating on sand were planted in the usual manner on opposite sides of five pots, and the remaining seeds, whether or not in a state of germination, were thickly sown on the opposite sides of a very large pot, No. VI in Tab. 13.

In three of the six pots, after the young plants had twined a short way up their sticks, one of the Colchester-crossed plants was much taller in three of the pots, and somewhat taller in the other three pots than any one of the