520 



EXPLANATION OF PLATES. 



PLATE IV. 



Calyptra of Physcomitrium pyri- 10. 



forme. n. 



Calyptra of Funaria fascicularis. 12. 



Calyptra of Encalvpta ciliata. 13. 



Leaf of Orthotrichum Lyellii. 14. 



Pseudopodium of Aulacomnium 15. 



androgynum. 16. 



Calyptra of Pottia Wilsoni. 17. 



Capsule of Andretea petrophila. 18. 



Calyptra of Orthotrichum tenellum 19. 

 Capsule of Sphagnum cymbifolium. 



Capsule of Pottia truncatula. 

 Do. Funaria hygrometrica. 

 Do. Webera acuminata. 

 Do. Bryum pallens. 

 Do. Polytrichum formosum. 

 Do. Splachnum vasculosum. 

 Do. Weisia microstoma. 

 Do. Tetraphis pellucida. 

 Do. Zygodon lapponicus. 

 Do. Dicranella cerviculata. 



PLATE V. 



capsule of 



of 



1. Superficial stoma on 



Orthotrichum afflne. 



2. Immersed stoma on capsule 



Orthotrichum stramineum. 



3. Ephemerum serratum. 



4. Lid and columella of Pottia 



Heimii. 



5. Perist. teeth of Dicranoweisia 



crispula. 



6. Peristome of Dicranella hetero- 



malla. 



7. Peristome of Eurhynchium murale. 



8. Peristome of Barbula fallax. 



9. Peristome of Tortula lasvipila. 



10. Perist. teeth of Dicranella hetero- 

 malla. 



11. Do. Ptychomitrium polyphyllum. 



12. Vaginula and capsule of Ortho- 



trichum stramineum. 



13. Inner peristome of Webera elongata. 



14. Do. Mnium punctatum. 



15. Do. Bryum capillare. 



16. One of the appendiculate cilia from 



do. 



17. Perist. teeth of Glyphomitrium 



Daviesii. 



18. Antheridium of Bryum pallens. 



19. Archegonium of „ „ 



20. Male flower of „ ,, 



21. Female flower of ,, „ 



22. Synoicous flower of Bryum bimum. 



23. Paroicous flower of Webera 



polymorpha. 



PLATES VI-LX. 



The following signs are used with a uniform signification throughout Plates 

 VI— LX. 



I. Leaf (or stem-leaf, where these 

 differ). 

 Branch-leaf. 



3. Pericha;tial leaf. 



4. Paraphyllia. 



5. Capsule. 



6. Peristome. 

 Lid of capsule. 

 Calyptra. 

 Spores. 



