Chap. I.
ORCHIS PYRAMIDALIS.
19
Description of Fig. 3.
| a. | anther. | l. | labellum. |
| s, s. | stigma. | l′. | guiding plate on the labellum. |
| r. | rostellum. | n. | nectary. |
A. Front view, with all the sepals and petals removed, except the labellum.
B. Side view, with all the sepals and petals removed, with the labellum longitudinally bisected, and with the near side of the upper part of the nectary cut away.
C. The two pollinia attached to the saddle-shaped viscid disc.
D. The disc after the first act of contraction, with no object seized.
E. The disc seen from above, and flattened by force, with one pollinium removed; showing a depression in its surface, by which the second movement of the pollinium is effected.
F. The pollinia removed by the insertion of a needle into the nectary, after the saddle has clasped the needle by the first act of contraction.
G. The same pollinia after the second movement and their consequent depression.
