MUSCI 



59 



CO 



28. Pottia 





{Subgenus Pottiella) 



(IO) 



29. Tortula 



(2) 



30. Syrrhopodon 



31. Glyphomitrium 



b. Lid distinct. 



I. Lid remaining on capsule. 



II. Lid deciduous. 



Fam. 8. Calymperaceae. 

 (Plate 6, F.) 



Fam. 9. Grimmiaceae. 



A. Calyptra bell-shaped. 



(Plate 6, H.) (6) 



B. Calyptra cap-shaped. 



a. Teeth of peristome entire, or split at the apex only, or fenestrate. 



(6) 



b. Teeth divided completely into two threads. 



Fam. 10. Eustichiaceae. 



Fam. 11. Orthotrichaceae. 



A. Seta lateral. 



B. Seta terminal. 



a. Calyptra cap-shaped. 



b. Calyptra bell-shaped, plicate. 



I. Stem erect. 



II. Stem creeping. 



(Plate 7, A.) 



c. Calyptra bell-shaped, not plicate. 



I. Capsule oval or cylindrical. Lid awl-shaped. 



(7) 39. Schlotheimia 



II. Capsule club- or pear-shaped. 



(2) 40. Leiomftrium 



Fam. 12. Funariaceae. 



A. Calyptra covering the capsule nearly completely, provided with 8 longi- 



tudinal ridges. 



(Plate 7, B.) (1) 41. Goniomitrium 



B. Calyptra not ribbed, not reaching below middle of capsule. 



a. Calyptra cap-shaped. 



(2) 42. Physcomitrium 



b. Calyptra inflated, hood-shaped. 



(12) 43. Funaria 



3—2 



(6) 





32. Grimmia 



rhreads. 







(5) 



33- 



Rhacomitrium 



(0 





34. Eustichia 



(0 



35- 



Anoectangium 



(5) 





36. Zygodon 



(3) 



37- 



Orthotrichum 



(6) 



38. 



Macromitrium 



