350 THE PLANT PHYLA 



ion Mosses"); 12, Fissidentaceae; 13, 

 Calymperaceae. 



Family 14. Pottiaceae. Small to medium plants, 

 with erect capsules usually having a 

 peristome of 16 teeth. Weisia, Bar- 

 bula, Phascum, Pottia, Encalypta. 



Family 15. Grimmiaceae. 



Family 16. Orthotrichaceae. Erect, tufted plants, 

 with erect capsules usually with one 

 or two rows of 8 or 16 teeth. Ortho- 

 trichum, Macomitrium. 



Family 17. Splachnaceae. "Petticoat Mosses." 

 Capsule stalked, generally with an 

 enlarged base. Splachnum. 



Family 18. Oedipodiaceae; 19, Disceliaceae. 



Family 20. Funariaceae. " Bristle Mosses." Capsule 

 from erect and regular to drooping 

 and curved or oblique; teeth 0, or one 

 or two rows of 16 each. Ephemerum, 

 Physcomitrium, Funaria. 



Family 21. Schistostegiaceae; 22, Drepanophyllaceae; 

 23, Mitteniaceae. 



Family 24. Bryaceae. " Wood Mosses." Small to 

 large plants with costate leaves, and 

 pear-shaped, long-stalked capsule; 

 teeth usually in two whorls of 16 

 each. Bryum. 



Family 25. Leptostomataceae. 



Family 26. Mniaceae. " Wood Mosses." Rather 

 large, leafy plants, with ovoid to 

 cylindrical, pendent capsule; peri- 

 stome usually double, each whorl of 

 16 teeth. Mnium. 



Family 27. Rhizogoniaceae; 28, Meeseaceae; 29, Aulo- 

 comniaceae; 30, Catascopiaceae; 31, 

 Bartramiaceae. 



Family 32. Timmiaceae. "Bristle Mosses." Rather 

 large leafy plants, with long-stalked 

 capsules; peristome in two rows of 

 16 and 64 teeth. Timmia. 



