34 



126. Macromitrium. Capsule plicate; teeth rudi- 

 mentary or wanting; calyptra plicate. Leaves seldom 

 crisped when dry; costa not excurrent. 



127. Schlotheimia. Capsule not plicate ; peristome 

 double or wanting ; calyptra generally not plicate. Leaves 

 slightly crisped; costa excurrent to a thick point. 



III. Zygodontece. Capsule terminal or lateral; ca- 

 lyptra cucuUate, not plicate, glabrous. Leaves papillose, 

 often crisped; costa sometimes excurrent. Stem erect. 



128. Zygodon. Capsule terminal, striate; peristome 

 double or wanting. 



129. Anoectangium. Capsule lateral, not striate; 

 peristome none. 



Fam. 28. Meeseacese. 



I. Meeseece. Capsule asymmetric, terminal; peri- 

 stome double. 



A. Leaves mamillose Peristomial teeth long. 



130. Paludella. Leaves sheathing, deflexed when 

 moist. 



B. Leaves not mamillose. Peristomial teeth (exc. 

 Plagiobryum Zierii) shorter than the endostome. 



a. Upper leaf-cells small, subquadrate. Stem mostly 

 high. 



131. Meesea. Pedicel of the capsule long. Leaves 

 not appressed when dry. 



b. Upper leaf-cells large, rhombic-polygonal. Stem 

 low. 



132. Amblyodon. Calyptra inflate. Male flowers 

 with claviform paraphyses. Pedicel of the capsule long. 

 Leaves not appressed when dry. 



133. Plagiobryum. Calyptra not inflate. Para- 

 physes filiform. Pedicel of the capsule short. Leaves 

 appressed when dry. 



II. Mielichhoferieoe. Capsule symmetric, usually 

 lateral; exostome or endostome mostly rudimentary. 



134. Mielichhoferia. Leaves very small, imbricate 



