— wood fibre, [61]

Pineapple fibre, [44], [46]

Pink colours, [141]

Pinus fibre, [60]

Plant fibres, constitution, [1]

—, structural elements, [1]

— tissues mainly cellulose, [4]

Pochin’s aluminous cake, [140]

Poplar, composition, [61]

— fibre, [60]