Sugar Cane not disappearing

The thing is that sugar cane does not disappear after water is removed and then behaves wierdly.

What I expected to happen was...:
The sugar cane would disappear.

What actually happened was...:
The sugar can stayed and behaved oddly.

Steps to Reproduce:
1. Place water in a 1x1x1 hole. Then place sugar cane near.
2. Remove water, sugar cane stays. Use bonemeal if one block of sugar cane.
3. As you can see, it behaves very oddly.