SYNOPSIS or BEITISH MOSSES. 25 



or gernmiform. Caps, inclined or pendulous, almost 

 without neck, plane or striate. Perist. double, cilia of 

 internal scarcely appendicalate. 



Fam. 1. Mnise. 

 Innovations from base of stem. Male fl. discoid. 



76. Mnium, Dill. Gregarious or c^spitose. L. 

 lower generally remote, small, much larger above, 

 from a narrow sometimes decurrent base, obovate- 

 spathulate or broadly oblong and lingulate, nerved, 

 margin generally thickened, entire or singly or doubly 

 toothed, rarely without a thickened margin. Calyptra 

 cucullate. Caps, on a long seta, inclined or pendulous, 

 ovate, oblong, or sub-globose, lid convexo-conical, 

 mamillate. Perist. as in Bryum, but almost exappen- 

 diculate. Annulus present. 



77. Cinclidium, Swartz. Habit of Mnium. Caps, 

 pendulous, oval or oblong, with a short tumid neck. 

 Calyptra minute, cleft on one side. Annulus absent. 

 Perist. internal, a reticulated cupulifoi-m membrane, 

 carinato-plicate, perforated, divided above into 16 

 narrow carinate processes, and united at base to the 

 outer teeth. L. large, roundish, bordered entire. 



Fam. 2. Aalacomuise. 

 Innovations from below floral apex. L. with apical 

 cells, narrowly hexagono-rotund, laxer at base. Caps, 

 cemuous, oblong, striate, sulcate when dry. Perist. as 

 in Mnium. 



78. Aulacomnion, Sehw. L. loosely imbricate, oblong, 

 elongate, and linear-lanceolate, papillose ; male fl. 

 discoid or gemmiform. St. frequently bearing pseudo- 

 podia of rudimentary leaves. Perist., internal processes 

 with 2 or 3 long filiform cilia. Dioicous. 



