42 Charles E. Besscy 



Family 43. Entodontaceae. Slender to somewhat vigorous 

 mosses, with crowded leaves ; and erect, regular capsules ; peri- 

 stome double, rarely single. Entodon, Pylaisia. (Pi. I, 3, 870.) 



Family 44. Fabroniaceae. Slender mosses, with mosth- 

 crowded leaves, and erect, oval or cylindrical capsules ; peristome 

 single or double. Fabronia. (Pf. I, 3, 899.) 



Family 45. Pilotricliaceae. Slender to more or less vigorous 

 mosses, with crowded leaves ; capsule mostly erect, regular, some- 

 times surrounded by the perichaetium ; peristome double. Pilo- 

 frichiim. ( Pf. I, 3, 912.) 



Family 46. Nematoceae. Small al'ga-like mosses, almost leaf- 

 less, with erect, short-stalked capsules ; peristome double with 16 

 teeth in each whorl. Ephcnicropsis. (Pf. I, 3, 916.) 



Family 47. Hookeriaceae. AEostly small and slender to vig- 

 orous mosses, with crowded, usually large leaves, and mostly reg- 

 ular, horizontal capsules ; peristome double. Hookcria, Ptcrygo- 

 phylliim. (Pf. I, 3, 918.) 



Family 48. Hypopterygiaceae. j\Iuch-branclied tropical 

 mosses, with 2-ranked leaves; peristome double. Hvpopfervgiiim. 

 (Pf. 1,3.-.) 



Family 49. Leskeaceae. Cushion-forming mosses with 

 crowded, many-ranked leaves ; capsule symmetrical, erect or 

 curved; peristonie double. Lcskca, Aiioiuodoii, Thiiidiiiiii. (Pf. 



I 3, — •) 



Family 50. Pterogoniaceae. Cushion-forming mosses, with 



symmetrical capsules, and double peristomes. Ptcrogoitiiiiii. ( Pf. 



I, 3, — •) 



Family 51. Sematophyllaceae. Tropical mosses with very 

 small capsules; usuallv included in Hxpnaccac. Scmafoplixllmii. 



(Pf.I, 3,--) 

 Family 52. Stereodontaceae. Xon-American mosses usually 



included in Hypiiaccac, but witli proportionately large capsules. 

 Stcrcodoii. { I'f. I, 3, — . ) 



Family 53. Hypnodendraceae. Xon-American mosses with 

 creeping stems, which bear vertical, leafy, dendroid-branched 

 stems, usuallv included in the next familv. Hvpiiodoidi oil ( Pf. 

 I, 3. -•) ' 



31 



