As for monkshood and wolfsbane, they are the same plant, which also goes by the name of aconite.
至于舟形乌头和狼毒乌头则是同一种植物，也统称乌头。

What is the difference between monkshood and wolfsbane
舟形乌头和狼形乌头有什么不同。

Widdershins go when the moon doth wane, and the werewolf howls by the dread wolfsbane.
月缺时按逆时针方向走, 并且扮狼叫。

Widderhins go when the moon doth wane, and the werewolf howls by the dread wolfsbane.
当月亮逐渐变小时，于魔法圈边逆时钟移动，可带走负面能量。