KEY TO THE GENERA AND SPECIES OF BRITISH MOSSES, 89 
102 { Capsule g gelobos 1038 
(Capsule more or ee oval or cylindric 105 
103 | Seta arcuate; Is. alm. squarrose, ovate-lanc., striate......... Breutelia 
(Seta straight (exc. B. Halleriana); |s. imbric. or be pir 104 
104! Ls. thang or ovate-lanc.; brs. usu. fascicled above ......... Philonotis 
(Ls. lane. or subul.; ape ‘not fascicled Bartrami 
105 Nlageals wei ith spiral st Encalypta streptocarpa 
(Capsule with vertical ins 106 
106 Capsule erect; outer perist. t. more or less paired 
Caps. inclin ed or horizontal; persist. t. not paired 109 
107 { Calyptra mitriform, plicate 108 
(Calyptra cucullate, smooth Zygodon 
Caps. much exserted, w. superficial ste Is. crisped when bis 
108 (exc. U. Hut tchins.); bers cells v. narr 
Caps. usu. less exserted, stomata imme anid "tag cc. O. spectaon) 5 s 
m. or 1. inbric. when ‘diy, basal cells wider ......... Orthotrichum 
109! Ls . long, acute, be: sensi 06 base, agit ROOVE. << ocpes ce immia 
( Ls. not sheathing, entire, or toothed at apex..........s000 Aulacomium 
111 
110 / Ls: waa setaccous ; plant er 
rt Ls. eou liv 
Pg Pe & @ ZS 
11 reales peor erste ll 
(Capsule cernuous, pyrifor 
Inner perist. reticulated ; lk TOUNGION, ODUIFG ...<2.05005..05 ee 
Inner perist. of separate teeth 13 
Caps. cso or Lee outer perist. t. much shorter than inner; 
1138 ls. m. or 1. lin, 114 
‘Caps. ue i Sree or oeensagaben rarely suberect; outer teeth 
ay sh es ee i ' 115 
Lentobryuwm 
f 2 J 
112 | 
fs. acute, ae seats at agen 5 eal IRM ibis Riavcctedicc Am daasden 
is! s. large, roundish, entire, obtuse OS eter yi cements pan 
{Plans ahhous large, ee ae lea 116 
Ls. w. strong ce eoiegiacanter toothed boar’ or not nines | ‘and 
116 serrate, with lax nded- soleeoal cells ium 
Ls. without such ater cells hexagono- rhomboid 117 
117! Seta + geaaia short; caps. v. long-necked, a Zieria 
(Seta not cygneous, longer i in batons ie on to capsule 118 
lis: ( Cilia co inner perist. w. hooked appendages “0 tis ve ee 
(Cilia sessile appendages, either imperfe ect or perfect 6st isee dss 119 
119 (Caps. narrow-clavate or oblong, w. long neck.........+++..ss+000 Webera 
(Caps. distinetly pyriform, or roundish-pyriform 120 
Pl. dioicous (W. eruda ee synoic.), or monoicous w. naked axillary 
antheridia ; ls. usu. r |. lanceolate Webera 
9 
120 Pl. synoicous, or mo open w. terminal gemmiform male pena 
ls. usu. more or less ovate 
121! Stem evidently ampand: f Uipinnat 175 
(Stem not evidently pinn 122 
* 
192! Nerve excurren 124 
““\ Nerve bearer in or below apex of leaf weet) 
