1.   A cautionary note, applicable to most variegated plants is the problem of reversion.

2.   Even so, a cautionary note must be sounded.

3.   I suggest this cautionary note as a result of personal experience.

4.   Most observers were optimistic, yet some sounded a cautionary note.

5.   The director ended her speech on a cautionary note, when she said that next year would be even harder than this year.

6.   This kind of experiment, besides sounding a cautionary note, needs repeating, says Smith.

7.   While many of the subsequent developments are to be welcomed, certain cautionary notes should be sounded.

8.   An editorial in The Times sounds a cautionary note.

9.   Alwin may not see them as negatives, but her enthusiastic account of her post-operative experience does include cautionary notes.

10.   Amid all the fervor, however, even supporters sounded some cautionary notes.