CURVATUEE OF BRYOPHYLLUM CALYCINUM. 343
Figs. 12 — 15 & 17, 18. Leaves of Bryophyllum- variously isolated
and hung with lower part in water showing development
at the marginal notches from the submerged parts.
Nos. 12 & 13. The opposite axillary bud allowed to develope.
No. 14. The opposite axillary bud removed.
No. 15. The stem cut in half longitudinally-
No. 16. Leaf hung dry, no;part submerged.
No. 17. No part of stem left attached to leaf.
No. 18. Opposite leaf left attached (but subsequently fell off).
Plate II
Figs. 19 — 24. Rooted plants of.Coleus bicolor placed horizontally. Photographed after *a few chays. One or both leaves near the apex or near the base left attached, all others and the terminal bud removed.
Nos. 25 & 26. No leaves left attached. A lateral bud has deve- loped near the base of No. 26.
Fig. 27. The method of hanging pieces by three threads, adopt- ed for Nos. 8, 9 & 10.
