APPENDIX I 



Plate 7 

 Pollen grains and miscellaneous particles. 



1. Phleum pra tense, grass pollen, s. 



2. 'Fly-ash' spheres, t. 



3. Taxus buccal a, yew pollen, s. 



4. 'Cenosphere', /. 



5. Insect scale, /. 



6. Betula verrucosa, birch pollen, s. 



7. Coryhis avellana, hazel pollen, s. 



8. Piniis sylvestris, pine pollen, s. 



9. Acer pseiidoplatanus, sycamore pollen, s. 



10. Qiiercus robur, oak pollen, s. 



1 1 . Fagus sylvatica, beech pollen, s. 



12. Castanea saliva, sweet chestnut pollen, s. 



13. Ulmus sp., elm pollen, i. 



14. iSa/z^f caprea, willow pollen, s. 



15. Platanus sp., plane pollen, 5. 



16. Tilia sp., lime pollen, s. 



17. Urlica dioica, nettle pollen, 5. 



18. Chenopodium album, fat-hen pollen, s. 



19. Artemisia vulgaris, mugwort pollen, 5. 



20. Solidago sp., golden-rod pollen, 5. 



21. Anthriscus sylvestris, cow-parsley pollen, 5. 



22. Calluna vulgaris, ling (heather) pollen, s. 

 23 Rumex acetosa, sorrel pollen, s. 



24. Thaliclrum sp., rue pollen, 5. 



25. Plant ago sp., plantain pollen, s. 



212 



