Plane trees in Pliny's garden, [97].

Plantain, [197], [443-444].

Plant-of-twenty-days, [42].

Platycodon grandiflorum, [262].

Playhouse Apple tree, [199].

Pliny, quoted, [342], [349];
gardens of, [96-97].

Plum blossoms, [157-158].

Plume Poppy, [175] et seq.

Plymouth, Massachusetts, early gardens at, [3].

Poet's Narcissus, [318].