need notes on the poems -

1. On a killing tree

2. The Snake Trying

3. Slumber and my spirit seal

The summary of the requested chapters is already available in your study material. Please follow the links given below:
https://www.meritnation.com/cbse/class9/summary/english/beehive/on-killing-a-tree-(poem)/19_1892
https://www.meritnation.com/cbse/class9/summary/english/beehive/the-snake-trying-(poem)/19_1893
https://www.meritnation.com/cbse/class9/summary/english/beehive/a-slumber-did-my-spirit-seal-(poem)/19_1894
Kindly go through it and let us know in case you face any difficulty.