192 INDEX TO PLATES 



Fid. 



11. Peristome Teeth (double Peristome) Webera nutans (x 51). 



12. Ditto Catharinea undulata (x 51). 



13. Ditto Dicranum scoparium (x 51). 



14. Ditto Webera nutans (x 51). 



PLATE Va 



MOSS PERISTOMES AND PERISTOME TEETH 



PIG. 



1. Capsule and twisted Peristome Barbula unguiculata (x 12'8). 



2. Twisted Peristome ditto (x 35'5). 



3. Twisted Peristome, partly tubular Tortula subulata (x 20'6). 



4. Peristome Teeth, recurved when dry Orthotrichum ajfine 



(x 35-5). 



5. Mouth of Capsule, with Peristome Bryum pendulum (x 39). 



6. Peristome Tooth Bryum inclinatum (x 91*4). 



7. Ditto Mnium hornum (x 66). 



8. Peristome Teeth Bryum pendulum (x 91 -4). 



9. Peristome Tooth (cribrose) Grimmia apocarpa (x 91'4). 



10. Double Peristome (dry) Amblystegium filicinum (x 35'5). 



11. Ditto (moist) Fontinalis antipyretica (x 20' 6). 



12. Teeth of outer and inner Peristomes Bryum murale (x 66). 



13. Peristome Tooth (divided) Dicranum scoparium (x 66). 



PLATE VI 

 MOSSES (GEMM^3, etc.) 



PIG. 



1. Ring Ceralodon purpureus (x 51). 



2. Lid of Capsule raised by Ring ditto (x 26). 



3. Capsule splitting into valves (closed) A ndrecea Rothii (x 12). 



4. Ditto (open) Andreaa alpina (x 12). 



5. Ditto (ditto) ditto (x 12). 



6. Capsule and Perichsetial Leaves Andrecea Rothii (x 12). 



7. Gemmse in receptacle at end of stem Tetraphis pellucida 



(x 12). 



8. Gemma ditto (x 51). 



9. Gemmse at end of special stalk Aulacomnium androgynum 



(x 12). 



