70 



ON THE PLANT REMAINS IN THE SCOTTISH PEAT MOSSES. 



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2. Salix reticulata leaves from the first arctic bed, Shetland. 



3. Arctostaphylos alpina seed from the basal arctic bed, Spey-Findhorn watershed. 



4. Ranunculus repens achene from below the second arctic bed, Cape Wrath. 



5. Hippuris vulgaris seed from basal layers, Shetland. 



6. Potentilla Comarum achene from basal layers, Shetland. 



7. Empetrum nigrum seed from second arctic bed, Spey-Findhorn watershed. 



8. Potamogeton natans from below the first arctic bed, Shetland. 



9. Corylus avellana nut from the lower forest, Skye. 



10. Alisma plantago fruit from basal layers, Moorfoot Hills, a, view from above ; b, side 



view. 



11. Pinus sylvestris cone from upper forest, Coire Bog, Easter Ross. 



12. Salix Arbuscula leaf from basal layers, Coire Bog, Easter Ross. 



13. Viola palustris seeds from basal layers, Lewis. 



14. Menyanthes tri/oliata seed from the lower forest, Shetland. 



15. Ajuga reptans seed from lower forest. Tweedsmuir. 



