KEY TO THE GENERA AND SPECIES OF BRITISH MOSSES. 37 
* 
57 tee eristome double 99 
Peristome single 58 
53 {Set a bent or curved downwards tid moist 59 
Seta straight (the caps. itself either erect or cernuous) 63 
9 { Naw ee es 4 of leaf below); apex subulate 60 
61 
6016 aprile ofriat Campylopus 
Capsule edi Dike 
61! Fl. oe dark green; n. 2-winged at back above ...... Racomitr. patens 
| Plant minute; ; nerve not winge 62 
62 | set siaigeht perist. t. narrow, usu. divided ...... Campylostelium 
Seta curved; perist. t. lanceolate, usu. entire Seligeria 
Perist. t. 16, simple, or slightly and irregularly cloven, or united 
63 nt 64 
85 
Perist. t. 16, m. or 1. deeply divided, or 32 
Calyptra ‘sie st beaked, siete sig the caps.: ls. large, = 
64 opaque arge, multifid papill Be aly } pta 
Cal. not iieesing caps.; ls. oath 1 or finely papillose  ...........000+ 65 
651 © aps. w. apophysis as wiiiee or wider than dee Biome Wax)! 22505. 66 
651 Neck suckin or ntnles but narrower than c 67 
66 17° Ls. with long flexuose points Tetraplodon 
mags or oes shorter finan Splachnum 
67 Peay triate, regular] 66 
Caps. ent striate (or ra di suleate ser ES OOLY) 56 aciaciv tints 73 
68 bglobose 69 
onli wt not globose 70 
69 { Perist. t. united into a cone; Caps. CEYNUOUS ........2.2..05 Conostomum 
Perist. t. res capsule erect ;.........siveceseveueneers Bartramia stricta 
70 | Perist. t. 8, or 16 so Sapa in pairs 71 
Perist. t. 16 oquidiotadit 72 
71 Calyptra Ogee plica 108 
a ucullate, smooth; et w. sapiens ey eters Zygodon 
7 2 minute; peris re . v. short, truncate; ls. subul... Brachydontiwm 
oe, t. not tru neate; ls. linear or “gal MAGGS esis eck Rhabdoweissia 
73 Ls. lingulate, obtuse, entire; cells 1 } 
Plant without lingulate sitane aval 
74 Seta > a branch; ls. lance. w. narrow pointed cells...... Mielichoferia 
Seta terminal; cells not pulled at meee nds 75 
75 | ne with elongated neck; cells la 76 
Caps. without long neck; cells close (exe some vei POUL) ciccss scree 77 
76 | Perist. t. wey spitlcoatl when dry ; ayloria 
Perist. t. e en dry; ls. ke toothed iceewiees Entosthodon 
71 eee horizons, ine, v. small, dark, shining......... Catoscopium 
Capsule erect or ‘suberect 78 
78] Perist. t. noire, reflexed when vaee ar a Sips Glyphomitrium 
( Perist. t. not paired; calyptra not plicat 79 
csitene shortly obovate or sition ls. fia StOUN wos sicscsdeiueees 80 
Gs aps. m. or l. oval or cylindric; ls. usu. papillose 81 
