SYNOPSIS OF BEITISH MOSSES. 23 



erect, with the neck oval or oblong. Calyptra cu- 

 cullate. Perist. double, outer 16 lanceolate subulate 

 teeth without medial line, inner a narrow membrane 

 deeply divided into 16 short filiform carinate processes, 

 cilia absent. 



70. Leptobryum, 8ch/p. Annual. L. narrow, upper 

 ones longest, subulate, flesuose, cells upper linear- 

 rhomboid, lower lax, hexagono-rectangular, pellucid, 

 nerve broad. Calyptra small. Caps, inclined or 

 pendulous, with a long neck, lid mamillate. Perist. as 

 in Bryum. 



71. Weber a, Eedw. PI. simple or branched, with 

 innovations from the base. L. lanceolate, seldom 

 broader, cells rhomboid-hexagonal or more or less 

 liuear, nerve terete. Caps, on a long seta, cernuous or 

 horizontal, with a longer or shorter neck, obovate or 

 pyriform. Annulus rarely absent. Perist. t. long, 

 internal processes arising from a carinato-plicate mem- 

 brane, with or without cilia, without appendages at 

 the internodes. 



72. Zieria, Schp. St. with innovations below the 

 floral apex, radiculose to summit. L. imbricate, ovate, 

 and oblong-acuminate, apiculate, or with nerve ex- 

 current, margin entire, cells lax, hexagono-rhomboid. 

 Caps, horizontal, or bent downwards and then up- 

 wards, on a sigmatoid seta, elliptic, lid small, convex, 

 obliquely apiculate. Perist. t. narrowly lanceolate, 

 int. membrane narrow, with narrow processes and rudi- 

 mentary cilia. 



73. Bryum, Bill. Perennial, with innovations from 

 below the floral apex, generally radiculose. L. semi- 

 amplicaul, subdecurrent, ovate- and oblong-lanceolate, 

 acute, acuminate, • rarely subrotund and obtuse, cells 



