1. Systegium Mittenii South England. 2. Campylopus Shawii North Britain. 3. ,, setifolius Ireland, Wales, and Hebrides. 4. Seligeria calcicola South England. 5. Pottia viridifolia South England. 6. Leptodontium recurvifolium Ireland and Scotland. 7. Tortula Hybernica Ireland. 8. _Streptopogon gemmascens_ Sussex. 9. Bryum barbatum Scotland. 10. _Bartramidula Wilsoni_ Ireland, Wales, and Scotland. 11. _Daltonia splachnoides_ Ireland, Antilles, and Mexico. 12. _Hookeria laetevirens_ Ireland, Cornwall, and Madeira. 13. Hypnum micans Ireland. 14. Myurium Hebridarium Hebrides and Atlantic Islands. 15. Hedwigia ciliata _var._ striata Wales and Scotland. HEPATICAE. 1. Frullania germana Ireland. 2. ,, Hutchinsiae Ireland, Scotland, Wales, Devon, Tropical regions. 3. Lejeunia flava Ireland, Atlantic Islands, S. America, Africa, &c. 4. ,, microscopica Ireland, Wales, Cumberland, Madeira. 5. ,, Holtii Ireland (Killarney). 6. ,, diversiloba Ireland (Killarney), Mexico? 7. ,, patens Ireland. 8. Radula tenax Ireland. 9. ,, Holtii Ireland. 10. ,, voluta Ireland, Wales, Cumberland, Mexico? 11. ,, Carringtonii Ireland. 12. Lepidozia Pearsoni Wales. 13. Adilocolia decipiens Ireland, Wales, Africa, and S. America. 14. Cephalozia aeraria Wales. 15. Lophocolia spicata Ireland, Cornwall, Anglesea. 16. Martinellia nimbosa Ireland (Brandon Mountain). 17. Plagiochila spinulosa Wales, Ireland, and Scotland, Atlantic Islands. 18. ,, ambagiosa Ireland, India. 19. Jamesoniella Carringtonii Scotland. 20. Gymnocolea Nevicensis Scotland. 21. Jungermannia Doniana Scotland. 22. Cesia crenulata Ireland, Wales. 23. Chasmatocolea cuneifolia Ireland. 24. Aerobolbus Wilsoni Ireland, S. America, New Zealand. 25. Petalophyllum Ralfsii Ireland, Cornwall, Devon. {367}