420 



Transactions. — Botany. 



Fig. 8. — Grimmia (Schistidium) 

 cyathiformis. 



1. Capsule. 



2. Operculum. 



3. Perichastial leaves. 



4. Upper stern leaf. 



5. Lower stern leaf. 



Fig. 9. — Grimmia (Schistidium) 

 alfrcdii. 



1. Capsule. 



2. Operculum. 



3. Inner perichastial leaf. 



4. Outer perichastial leaf. 



5. Upper stem leaf. 



6. Middle stem leaf. 



7. Lower stem leaf. 



Fig. 10. — Grimmia (Schistidium) 

 turbinata. 



1. Capsule. 



2. Operculum. 



3. Calyptra. 



4. Inner perichastial leaf. 



5. Outer perichastial leaf. 



6. Upper stem leaf. 



7. Lower stem leaf. 



Plate XXX. 



Fig. 11. — Grimmia (Schistidium) 

 argentea. 



1. Capsule. 



2. Operculum. 



3. Calyptra. 



4. Perichastial leaves. 



5. Stem leaf. 



Fig. 12. — Grimmia (Schistidium) 

 wrightii. 



1. Capsule, with inner perichastial 



leaf. 



2. Operculum. 



3. Outer perichastial leaf. 



4. Stem leaves. 



Fig. 13.- 



- Grimmia (Schistidium) 

 laingii. 



1. Capsule. 



2. Perichsetial leaves. 



3. Upper stem leaves. 



Fig. 14. — Grimmia (Schistidium) 

 gracilis. 



1. Capsule. 



2. Perichastial leaves. 



3. Upper stem leaf. 



4. Middle stem leaf. 



5. Lower stem leaves. 



Fig. 15. — Grimmia (Schistidium) minime-perichcEtalis. 



1. Capsule. 



2. Calyptra. 



3. Perichastial leaves. 



4. Upper stem leaves. 



5. Middle stem leaf. 



Plate XXXI. 



Fig. 16. — Grimmia novce-zealan- 

 dics. 



1. Capsule. 



2. Operculum. 



3. Perichastial leaves. 



4. Middle stem leaf. 



5. Upper stem leaf. 



Fig. 17. — Grimmia pulvinata (from 

 British specimens). 



1. Capsule. 



2. Operculum. 



3. Iuner perichastial leaf. 



4. Outer perichastial leaf. 



5. Upper stem leaf. 

 C. Middle stem leaf. 



Fig. 18. — Grimmia tricophylla (from 

 specimens obtained from Ger- 

 many). 



1. Capsule, with operculum. 



2. Perichastial leaves. 



3. Upper stem leaf. 



4. Middle stem leaf. 



Fig. 19. — Grimmia tricophylla, var. 

 nigra. 



1. Capsule. 



2. Perichastial leaves. 



3. Upper stem leaf. 



4. Middle stem leaf. 



