1.   Since the milky juice is poisonous, wear gloves while pruning.

2.   The milky juice is poisonous, so wear gloves while pruning.

3.   The milky juice of the desert rose is poisonous, so wear gloves when pruning.

4.   When a kernel is pierced with the tip of your fingernail, it should give a snappy pop and a small spurt of milky juice.