SYNOPSIS OP ORDERS AND GENERA. 47 



Genus 2. Dichelyma. — Sporangium sessile or subsessile ; 

 veil cucullate. 



Ordeb II. GBTPTOTHEGII. 



Peristome single or double ; veil mitriform ; stems cylin- 

 drical ; leaves imbricated. 



Genus 3. Cryphaa. — Sporangium immersed ; veil small ; 

 peristome double. 



Order III. HOO REBEL 



Sporangium horizontally cernuous, succulent; peristome 

 double ; veil mitriform ; stem mostly flattened ; leaf-cells 

 mostly large. 



Genus 4. Daltonia. — Sporangium suberect ; veil fringed ; 

 leaves spreading, cells small. 



Genus 5. Hookeria. — Sporangium cernuous; inner peri- 

 stome divided halfway down into, sixteen processes, without 

 intermediate cilia; veil not fringed; leaves flattened, cells 

 large. 



Order IV. NEGKEBEI. 



Fruitstalk mostly short ; peristome double ; veil cucullate ; 

 leaves mostly flattened ; stem more or less pinnate. 



Genus 6. Neckera. — Sporangium erect, immersed, or ex- 

 serted; veil large; inner peristome divided almost to the 

 base ; leaves mostly undulated. 



Genus 7. Homalia. — Fruitstalk elongated; inner peristome 

 a membrane divided into sixteen keeled processes without in- 

 termediate cilia; leaves not undulated. 



Order V. KYPNEI. 

 Sporangium cernuous ; fruitstalk elongated ; veil cucullate ; 



