Weeeee Jaggy

Don't know what this stuff is - Juniper possibly - But it's unexpectedly jaggy - I innocently went to get the dogs ball from it and it bit me! Well, not really but I felt resentful!
Managed to tire the dog out though - took her for a 40 min ball chase and she is currently lying under the table - possibly dead.... Oh no, signs of life, she just broke wind - charming!