356 



MUSCI. 



Tribe IV. rUNAItlE.E. Annuals ov luneniiials, mostly terrestrial, with soft smooth jjale 

 costate leaves, composed of large tliiu-walled hexagonal or oblong-rhombic parenchyma- 

 tous cells. Flowers terminal, tlie mah; di-scoid or eajiitate. Calyptra conic or mitrilorm 

 or vesieular-euenllate, naked, not plicate. Capsule ai^physate, lung-pedicellate, erect and 

 regular or noihling and gibbous. Peristome of 16 teeth, distinct or in pairs, or none ; 

 cilia opi)Obite them when present. 



* Cai)sule erect, legular, upon a long-obconic or greatly dilated apophysis : peristome single, 



rellexed when diy : calyptra mitrilorm or conic. 



27. Tayloria Collum long-obconic. Calyptra mitriform, cleft at one side. Teeth distinct, 



divitled, narrow, retlexed-spreading when dry. Perennials. 



28. Splachnum. Apophysis at length greatly enlarged, subglobose to umbrella-shaped. 



Calyptra conic, small. Teeth hmceolate, in pairs, closely retlexed when dry. Animals. 



* * Calyptra vesicular, lobed at base or cucullate, long-beaked : capsule pyriform with an 

 obconic collum, erect and regular, or more or less declined and gibbous ; operculum flat-convex 

 to convex-conic : peristome none, single, or double. Annuals. 



29. Physconiitrium. Calyptra 5-lobed at base. Capsule erect. Peristome imne. 



30. Entosthodon. Calyptra cucullate. Capsule erect. Peristome of 16 short horizontal teeth. 



31. Funaria. Calyptra cucullate. Capsule more or less nodding. Peristome of 16 oblicjue 



teeth and 16 cilia opjjosite them. 



Tkibe V. BRYE.E. Perennials, on the ground or rocks. Leaves with the somewhat uniform 

 areolation wholly itarenchymatous, or at least at base. Male llowers discoid or bud-like. 

 Calyptra naked, cucullate, narrow, fugacious. Capsule pyriform or oblong, or subspheriial 

 (in Barlmnii(i), rarely erect, annulate. Operculum convex or <lcpressed-conic, rarely short- 

 rostellate. Peristome double (sometimes .single in Baiirainia). 



* Leaves smooth : capsule not striate nor plicate, oblong or ])yriform : peristome of 16 outer teeth 



and an inner membrane bearing as nniny alternalo carinatc or ilivided processes. 

 -{- Inner membrane reaching to the middle of the long-lanceolate teeth, and bearing 16 <;arinate 

 jointed processes, often more or less dehiscent, and usually with ciliolaj in the intervals : 

 leaves often bordered. 



32. Leptobryum. Stem simple or innovating at base. Leaves linear-setaceous, with linear- 



rliombic areolation, not bordered. Cajjsule ovate-pyrifoiin ; sporangium small, stipitate. 



33. Bryum. Stems innovating sparingly, mostly at the summit. Leaves usually ovate or 



lanceolate, with rather large rhombic areolation. Capsule pyriform or oblong, with 

 obconic collum. Paraphyses of male flowers filiform. 



34. Mnium. Larger, mostly innovating near the base, and often stolon iferous. Leaves broad, 



with usually spinulose-serrate thickened border and large round-hexagonal areolation. 

 Capsule oval or oblong with short collum. Paraphyses clavate. 

 +- -i- Inner membrane reaching to the middle of the lanceolate teeth, the j)rocesses divided into 

 4 nodose-liliform cilia coherent at the apex ; ciliohc none : leaves not bordercil. 



35. TimmicL Innovations at the summit. Leaves long-lanceolate, with minute round-hexagonal 



areolation. Capsule oblong-oval with small collum. 

 H_ -J- 4- Inner membrane short, bearing 16 carinate processes much longer than the short obtuse 

 outer teeth ; ciliolie none : leaves not bordered. 



36. Meesea. Leaves narrowly lanceolate, obtuse, with minute liexagonal-rcctangidar areolation. 



Capsule pyriform, incurved. Paraphyses davatc. 

 ♦ * Leaves papillo^e, not bordered, lanceolate: ('ajjsule striate, at length plicate : }ieristome as in 

 the Bnjum group, rarely simple : innovations at the summit. 



37. Aulacomnium. Leaves with granular dot-like areolation. Capsule nodding, oblong with 



distinct collum. Inner teeth of jwristome dehiscent ; ciliohv (2 or 3) jiresent. 



38. Bartramia. Leaves papillose both sides. Capsule globose. Inner teeth divided, the seg- 



ments divergent, with imperfect ciliola;, or the inner peristome wanting. 

 Tribe VI. POLYTRICHE.E. Terrestrial rhizomatous perennials, of firm texture. Leaves 

 narrow, more or less rigid and serrate, with dense round-hexagonal areolation, the dilated 

 costa lamellate above. Flowers mostly dicccious, the male discoid and iiroliferous. 

 Calyptra cucullate, subspinulose or hairy. Capsule long-iu'dicelled ; annulus none. Peri- 

 stome simple, of 32 or 64 short solid obtuse ligulate incurved teeth, adherent at top to a 

 membrane closing the orifice of the cai>sule. 



♦ Capsule terete, not distinctly apojihysate : teeth 32. 



39. Catharinea. Leaves with a thickened narrow Ijorder, the narrow costa 2-6-lamellate. 



Calyptra naked, spinulose at apex. Capsule cylindrical or oblong, slightly arcuate. 



40. Oligotrichum. Leaves not bordered, remotely serrulate, the dilated costa with numerous 



lamellie. Calyptra sparingly villous with erect hairs. Capsule erect, ovute-oblong. 



