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April 10 1863 Corydalis tuberosa; solida

Saw many Hive-bees sucking, only large nectary; it was pretty to see how with front legs they pushed off the hood, & rubbed anther & stigma on under side of front of thorax — feet were applied to plates on side of hood. I did not see one visit flower with 2 spires.—

All the flowers may have been visited.

Marked April 9th 6 flowers with black thread & move their hoods backwards & forwards.─

Ap. 14th I see this afternoon nearly all flowers withered, except here & there one even quite low flowers; (& double-spires which I moved) so I do not doubt fertilised by Bees.

May 22d (I believe so this plant)

This plant does did not set a seed of any Kind — conditions evidently not favourable Hildebrand believes it to be sterile not impossible