BRYOPHYTA 351 



Family 33. Weberaceae; 34, Buxbaumiaceae ("Hump- 

 back Mosses"); 35, Georgiaceae. 



Family 36. Polytrichaceae. "Hair-caps." Large, 

 leafy plants, with long-stalked cap- 

 sules; teeth short in one row of 32 or 

 64. Polytrichum, Pogonatum. 



Sub-order PLEUROCARPI. "Side Mosses." Sporophytes 

 terminal on short lateral axes of the 

 gametophyte. 



Family 38. Erpodiaceae; 39, Hedwigiaceae; 40, Font- 

 inalaceae ("Brook Mosses"). 



Family 41. Climaciaceae. "Tree Mosses." Large 

 erect dendroid plants, with erect or 

 recurved capsules; teeth in two rows 

 of 16 each. Climacium. 



Family 42. Cryphaeaceae; 43, Leucodontaceae; 44, 

 Prionodontaceae;45, Ptychomniaceae; 

 46, Spiridentaceae; 47, Lepyrodonta- 

 ceae; 48, Pleurophascaceae. 



Family 49. Neckeraceae. More or less rigid, leafy 

 plants, with short-stalked, erect cap- 

 sules, having single or double peri- 

 stome. Leptodon, Neckera. 



Family 50. Lembophyllaceae; 51, Entodontaceae; 52, 



Fabroniaceae; 53, Pilotrichaceae; 54 



Nematocaceae; 55, Hookeriaceae; 56, 



Hypopterygiaceae; 57, Helicophyl-, 



laceae; 58, Rhacopilaceae. 



Family 59. Leskeaceae. Cushion-forming, leafy 

 plants, with symmetrical, erect cap- 

 sules, having double peristome. 

 Leskea, Anomodon, Thuidium. 



Family 60. Leucomiaceae; 61, Sematophyllaceae; 62, 

 Rhegmatodontaceae; 63, Brachythe- 

 ciaceae; 64, Hypnodendraceae. 



Family 65. Hypnaceae. "Bog Mosses." Of variable 

 size and habit, with long-stalked 

 capsules, which have a double peri- 

 stome, of 16 teeth in each row. 

 Hypnum, Amblystegium. 



