go 
36. 
43. 
45. 
46. 
47. 
49. 
50. 
CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 
Leaves usually crispate when dry, base oval; stomata in 
neck of capsule, always superficial............ Ulota, p. 
Leaves not crispate when dry, base not oval; stomata in 
neck and upper part of capsule, mostly immersed...... 
Orthotrichum, p. 
Capsule distinctly ribbed when dry..............0-22 00008 
Capsule smooth, not ribbed when dry.............---505- 
Capsule ovoid-cylindrical ............... Aulacomnium, p. 
Capsule subglobose ........... 0.0: c cee eee eee eee e er eee 
Cilia well developed................2..00005 Philonotis, p. 
Cilia none, or very rudimentary. ...........0. cee ee eee eee 
Iueat cells SmOOth sscsrasdetvshieawiastenyecns Plagiopus, p. 
Leaf cells papillose .....22:008 ¢ssceee vada Bartramia, p. 
Leaves papillose on upper surface............. Timmia, p. 
Teaves smooth! «nese. scones aie cas aaateng Re oes gieteinsa are oe 
Inner peristome 2-3 times as long as the outer, cilia 
HIGiIN EN tary y fee's ei ee adhe wins dale ees Meesea, p. 
Inner peristome about as long as the outer, cilia well 
developed: oss science cies cee Rec eed ow See TRE EES ome deew ese 
Gilia appendiculateé: xs. sccrciasemesans sea wee sa vaaeseeewss 
Cilia smooth or nodose, not appendiculate............... 
Leaf cells narrow, linear-rhomboidal above.............. 
Leptobryum, p. 
Leaf cells rhomboidal-hexagonal, never linear........... 
Plants stoloniferous; capsules clustered... Rhodobryum, p. 
Plants not stoloniferous; capsules borne singly. .Bryum, p. 
Upper leaves ovate; cells broadly polygonal, never linear 
Mniun, p. 
Upper leaves linear-lanceolate; cells narrowly polygonal 
CO TMG at ADOVE: se sesciay cea weacies ae bindeay seeders mane waders Vavess 
Leaves glaucous green; annulus none..... Mniobryun, p. 
Leaves green to golden yellow, often glossy; annulus 
PLESEM ES dei ess hianas oa cgeatnaeciepatehieio d wieeda Dea wow eae Pohlia, p. 
Plants growing on rocks or in crevices................2-- 
Plants growing on earth............. cece cece eee eee eee 
Leaves without a midrib; stalk less than 1 mm. long; lid 
apiculate: acsacnvers siceareys.6 sad ds rere aa han Hedwigia, p. 
Leaves with a midrib; stalk 2-10 mm. long; lid rostrate.... 
Usually growing on calcareous rocks; capsule smooth 
Hymenostylium, p. 
Usually growing on non-calcareous rocks; capsule ribbed 
Aneectangium, p. 
II5 
IIi2 
