75004404.htm

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Scientific Memoirs by

TABLE IX.—Results attending Mechanical Obstruction to the depression of the
Petiole on action of the Primary Pulvinus —continued.

No. of Experi- ment.	Result.
3	A leaf with two large pinnæ. Action in cut pinnules; pause; action in primary pulvinus; very slow, partial action in 8 pairs of pinnules beneath the cut pair; no further result.
4	Action in the cut pinnules; pause; action in primary pulvinus; centripetal action in the distal and basal portions of the cut pinna; slight action in the central portion; no further result.
5	Action in the cut pinnules; action in the primary pulvinus; partial, centripetal action in the distal and basal portions of the cut pinna; no action in the central portion; no further result.
6	Slow, spreading centripetal action in the outer part of the cut pinna; action in the primary pulvinus; very slow and partial; centripetal action in the basal part of the cut pinna; no further result.
7	Action in the cut pinnules; action in the primary pulvinus; partial action in the distal and basal thirds of the cut pinna; complete action in the central third; no further result.
8	Almost complete centripetal action in the cut pinna; action in the primary pul- vinus; no further result.
9	Action in the cut pinnules; pause; action in the primary pulvinus; almost com- plete, slow, centripetal action in the cut pinna; no further result.
10	Slow, progressive, complete centripetal action in the cut pinna; long pause; action in the primary pulvinus; partial, irregular, centrifugal action in another pinna; very long pause; slight, slow action in the basal part of another pinna; no further result.
11	Action in the cut pinna; action in the primary pulvinus; pause; action in one other pinna; no further result.
12	Action in the cut pinnules; pause; action in the primary pulvinus; partial and incomplete centripetal action in the cut pinna; action in the basal half of one other pinna; no further result.
	B.—Depression of the leaf due to the action of the primary pulvinus fully carried out.
13	A two-pinnaed leaf. Pause; spreading, centripetal action in the cut pinna; full depression; well pronounced action in the basal half of the other pinna.
14	Slow, almost complete action in that pinna; pause; full depression; no further result.
15	Action in the cut pinnules; slow, progressive, centripetal action in that pinna; full depression; almost complete, spreading, centrifugal action throughout the other pinnæ.