32 SYNOPSIS OF BRITISH MOSSES. 



linear-vermicularj at side base oblique, dot-like at 

 basal angles. Caps, ovate-oblong or subcylindric on 

 an upright seta. Perist. t. short, slender, bi- ti'ifid, 

 remotely articulate, strongly papillose, pale or whitish. 

 Calyptra as large as capsule. 



95. Antitrichia, Brid. Secondary st. decumbent and 

 pendulous. Br. subpinnate. L. nerved, sulcate, other- 

 wise same as last. Caps, on a flexuose or upright seta. 

 Perist. double, outer t. narrowly lanceolate- subulate, 

 slender, entire, almost smooth, int. processes about 

 same length, subulate, slightly carinate, without basal 

 membrane. Calyptra shorter than caps. 



Tribe xxvi. Neckbeace*. 

 Secondary st. erect or pendulous, pinnate, rarely 

 bipinnate. L. broad, campanulate, scariose, generally 

 undulate, nerve very slender or absent, cells narrowly 

 linear-rhomboid. Calyptra cucuUate or conical, cleft, 

 naJt^ed or hairy. Caps, immersed, rarely exserted, 

 erect, symmetric. Perist. single or double. 



96. Neckera, Hedw. Calyptra naked or slightly 

 hairy, lid rostrate, annulus absent. Perist. double, 

 ext. t. long, lanceolate-subulate, int. processes short or 

 longer, filiform from a membranous base, cilia absent. 



97. Homalia, Brid. L. distichous, complanate, un- 

 equal sided, thinly nerved. Vaginula elongate, hairy. 

 Calyptra cucuUate, naked. Caps, cernuous on a long 

 seta, lid with a slender, oblique beak. Perist. double, 

 ext. t. lanceolate, linear-subulate, confluent at base, 

 int. processes carinate, from a broad carinato-plicate 

 basal membrane, with longer or shorter cilia. 



98. Thamnium, Schp. Dendroid, from a creeping 

 rhizome. L. subcomplanate, nerved, apical cells small. 



