318 



INDEX TO INTRODUCTION. 



Nectria musciyora, 38. 



Ocrea, 21. 



Octoblepharei, 36. 



Octoblepharum albidum, 37. 



Orchids, aerial roots of, 17. 



Oreas, 34. 



Orthotrichum anomalum, 30. 



— ^— eupulatum, 26. 



Paraphylla, 17. 

 Paraphyses, 18. 

 Perichuetium, 19, 22. 

 Perigamium, 19. 

 Perigonia, 18. 

 Perigyninm, 19. 

 Peristome, 24, 26. 

 Pharomitrium, 34. 

 Phasca, 27. 

 Phascum, 43. 

 Phyllogoniei, 36. 

 Physcomitrium, 31. 

 Platygyrium, 34. 

 Pleurooarpi, 4, 43. 

 Pleuroearpous, 3, 34. 

 Pogonatum, 21. 



aloides, 11. 



alpinum, 32. 



^—^— nanum, 15. 



Polytricha, 27. 



Polytrichum, 13, 18, 19, 21, 22, 23, 

 24,25. 



commune, 35. 



dendroides, 13. 



■ giganteum, 13. 



eexangulare, 32. 



Pottia, 24. 



cavifolia, 17, 28. 



Proembryo, 10. 



Prophyton, 11. 



Prothallus, 10. 



Protonemata, 10. 



Psilopilum, 34. 



Pyramidula, 34. 



Eaoomitrium lannginosum, 35. 



Eacopilacei, 36. 

 Eaoopilnm, 35. 

 RWzogonei, 36. 

 Khizogonium, 35. 

 Eing, 23. 

 Eootlets, 12. 

 Schistidium, 24. 

 maritimum, 33. 



Schistooarpi, 4, 24, 43. 

 Schistostega, 32. 



osmnndacea, 11, 16. 



Sedum acre, 1. 

 Seligeria calcarea, 32. 

 Spermatozoids, 7, 18. 

 Spiral threads, 13. 

 Sphagnum, 2, 11, 13, 15, 16, 18, 20, 

 22, 23. 



cymhifolium, 13. 



molluscum, 13. 



Splaehna, 32. 

 Splachnei, 24. 

 Splaehnum, 18. 



luteum, 22, 38. 



rubrum, 38. 



Sporangium, 22. 

 Sporledera, 34. 

 Spores, 9, 23. 

 Spore-sac, 22. 

 Stark, 38. 

 Stegocarpi, 43. 

 Stem, 13. 

 Stolons, 13. 

 Stomates, 17. 

 Syncladei, 4, 43. 

 Syrrhopodontei, 36. 

 Teeth, 24. 

 Tetraphis, 24, 25. 



pellucida, 28. 



Tetrodontium, 14, 



Thallus, 10. 



Thamnium alppecuruin, 14. 



Theca, 7. 



Thuidium, 17. 



