198 KEY TO THE GENERA AND SPECIES OF BRITISH MOSsES. 
Ls. squarrose or very widely spreadin 22 
a1 | Ls. distine tly secun tthe | fom if 24 
Ls. sharply serrulate, all strongly recurved Hallert 
224 Ls. shaicut entire ae scarcely or a oyalavly recurved 23 
23 St. creeping, slender; an cells small, quadrate .........Somerfeltt 
St erect, tufted; cells v. narrow, dilated at angles ............ stellatum 
24 St. rigid; brs. pectinate; Is. deeply plicate ............ crista-castrensis 
tio not or only slightly plicate when moist 25 
25 { con St. ls. from wide cordate _— serrul. cary Po Saree molluscum 
tina hg entire, or serrul. in upper part onl 26 
26. ~ xs at all auricled hamulosum 
Ls. w. angular cells forming m. or 1. distinct auricles 27 
Ananler on swollen, hyaline 28 
271 Aneul sm. orl. ekaned or coloured 29 
gg | Ls: t- ge w. wide acumen; stem little meanehes Pineabanenns Patientia 
{re Ww. Masts — fine acumen; stem pinnate ............ ...callichroum 
29 c. faleate, usu. turned Se wah i tapering ...... 30 
ri. sig es ‘circinate-secund, usu. wider at bas 81 
30 ee als t Borisombets ba: ma epee boid ; brs. oe sereeeeestncurvatum 
Capsule erect; ce 
Brs. Pew fants — green, fuscous within ........... -Bambergeri 
81 {Geom innate; pl. usu. dull green or brownish ss.cscseeseese: 
39! Ls. leg od. es rown where i join the brown er sawiiys ns 
(Ls. = satire not red at base; st. paler ............00s siprennforme 
33 | (Ls. minute, alm arnicaiat * spain n, absent or double. ..micans 
(Ls. ar ge or suben 34 
34 i firm, patent or Sire ; sa] usu. in bogs of: on aes ground ...... 35 
Ls. soft, flaccid, usu. secund; pl. on roc cks, &e., in streams 42 
35 Ls. singly nerved half- wn.0 or more 36 
ae nervles 0 or shortly 2-nerved 41 
36 / Stem pinnate; Is. v. concave, oe iculate, pale green ............... purum 
(Stem ee inate. Is. obtuse, or reddish aad, Seah Seicevaekost 37 
37 i’ imbricate peat dry; stem eae simple 38 
Ls. or loosely imbricate; st. m. or l. branched ............ 39 
38 ox roundish, v. obtuse, brownish, auricles sc. marked ...... trifarium 
Ls. oblong, dellowiek. auricles distinct; pl. or RAGE civ... stramineum 
39! St. ls. wide, cordate-ovate, obtuse; plant usu. green 40 
891 Ls. m. or 1. oblong, usu. apiculate; older Is. red ..... »+»-sarmentosum 
40 | Brs- few; cells gradually larger towards base of ls....... SS 
(St. w. many short brs.; ls. w. marked swollen auricles......giganteum 
41 : St. red; brs. obtuse at ends; auricles yellowish ............... Schr ant 
St. green ssi when young); brs. cuspid. ; auric. “hyaline. perso ct 
42 as large, roundish, swollen on one side; n. r 2......scorpioides 
Ls. not vesistiation, ‘shortly 2-nerved, or : peg half-w da venw cts 43 
Ls. wee or roundish, apex usu. rounded or apiculate ......... 
4311s. ovate ovate-lanceolate, m. or 1. eiaekivie towards a ‘ spent a 
44! Ls. moat 3 — ces roundish, = sg ge Yr. cae seeveese@rcticum 
44 1Ts often subserrul. a & POU LONG... tiie cers crests = 
15(L* ene wiahels ovate, m. we pieiskeess 
iT. orbicular, obtuse or shortly apiculate, psd Pe ee psgt sano head 
;  * 8. canariense, from , is described 
loaves, ima oat olin cat ea tee is as slender, with more serrulate 
