140 KEY TO THE GENERA AND SPECIES OF BRITISH MOSSES. 
3 Cal. fringed at base; phone present; caps. smooth ciliata 
{ Calype not fringe ed a 4 
4 Caps. w. vertical aa Perist. perfect ......cceceseresessess rhabdocarpa 
Gene not striate; perist. usu. absent or rudimentary svoveeeeeVULGATIS 
ENTOSTHODON. 
1 Ls. bordered; caps. short, obovate; perist. rudimentary ...ericetorum 
Ls. not bordered; caps. clavate- pyrif. ; perist. perfect...... Templeton at 
1 ite nerveless 2 
Ls. nerve 3 
P) Ls. coarsely toothed; spores few, large (60—80 iy serratum 
{Te entire or obscurely toothed; spores 24—30 ! ....cccescseees tenerum 
3 {rs hone _ vane’ Pit LApeE; serrate pee 
Ls. narrow : 5 
4! (Nerve faint, Cae in owe hall GE loak © .vcescee tic seces seaaaecesecese 
( Nerve distinct throu ughou 
5! { Ls. lane.-subul., tapering, i entire; nerve pce Less stenophy 
(Ls. linear-ligul., denticul. at apex ........+++ Ephemerella peaeaiol 
EURHYNCHIUM (see Note to sane ARN CCN 
ie Is. large, elliptic, w. fone, fine points; st. PiND.........+...piliferum 
: 2 
. or l. ovate or lanc., without hair-like points 
g { Seta smooth; Is. m. Sel, plieate (exe. myosuroides) 3 
{Seta rough; Is. mre or —- slightly plica 7 
3 Ls. not Sug gach @; caps. subere a daueve\eaucevevase mgeeaney 
ieee or 1. nee pei when dry; caps. Cernuous ...........000 
4 aie v. curved; ls. when dry; cells r. short.. “cininatan 
\ Bre. not iioinate, le: ieeending or aap imbrie 
5 (Pl. Se brs. straggling; Is. alm. squarr Vo POiiccss +0 8tria jal 
| Pl. smaller; brs. m. or 1. erect; Is. srecks- pate, OBS PLC. ...ccibvsi. 8 
g {Ls aia angular cells minute, opaque ............. +e 8triatulum 
Sit, s. v. short, upper Is. usu. r. ObtUSe, CONCAVE «.....eecseeseeees = 
St. sub-bipinnate, w. paraphyllia; st. ls. v. Secmerent; triangular, wi 
"oi ongis acumen praelon ongum 
St. ls. se. decurrent; st. usu. less pinn.; paraphyllia absent 
8. Pl. v. slender; Is. v. small, lanceolate, tapering 9 
Ls. r, more or less ovate 11 
9 {is Ls. broadl oadly nerved alm. to apex, dark opaque green ...... ... Teesdalia 
oo slender, ceasing about 4 or 3 up the leaf. 10 
10 ie te-lanceolate, cells r. wide; dioicous ...............+.. pumilum 
fc ae clustered at ends of brs.; monoic. .. -Rlwncodt. i ts AO at 
11 Ls. v. concave, acumin., serrul. above; n. thick ......... crassinervium 
(Ls. less concave, usu. serrul. thro ughout, lens actiihinate 0 2 
Synaie. pl. r. sbpsery v. bright green; Is. alm. flat ......... ctosum 
124 Monole or dioic.; pl. smaller, usu. a aa or yellowish green pec 13 
13 { St. ‘iijckie: a v. short, crowded, suberect...............abbreviatum 
| Brs. longer, more distant, usu. arched or straggling.......... Saleeabeve ce 
Br. Is. m. or 1. complanate, usu. short-pointed ............ ogee Pike 
14 \Br ls. acumin., not wala 4 apical cells longer 
FISSIDENS. 
1/i* with pebat asa border (seta terminal) 9 
1 | Ls. without yaline border 9 
