Plum. "
Polygonum Hydropiper.
Polygonum Persecaria.
Poplar. Leaves.
Privet. Ligustrum vulgare. Leaves.
S. John's Wort. Hypericum perforatum.
Sawwort.[B] Serratula tinctoria.
Spindle tree. Euonymus Europæus.
Stinking Willy, or Ragweed. Senecio Jacobæa.
Sundew. Drosera.