22 SYNOPSIS OF THE ORDERS AND 



Order II. AMAUROCH^ETACE^E. Sporangia combined into an 

 sethalium. (P. 134.) 



Genus 20. Amaurockcete Host. (P. 134.) 

 21. Brefeldia Pvost. (P. 135.) 



Cohort II. LA MPROSPORA LES. Spores variously coloured, 

 never violet. (P. 136.) 



Subcohort I. ANEMINE^E. Capillitium wanting, or not 

 forming a system of uniform threads. (P. 136.) 



Order I. HETERODERMACE.E. Sporangium-wall membranous, 

 beset with microscopic, round granules, ami (except in Lindbladia) 

 forming a net in the upper part. (P. 136.) 



Genus 22. Lindbladia Fries. (P. 137.) 



23. Cribraria Pers. (P. 138.) 



24. Dictydium Schrad. (P. 148.) 



Order II. LICEACE.E. Sporangium-wall cartilaginous ; spor- 

 angia solitary. (P. 149.) 



Genus 25. Licea Schrad. (P. 150.) 



26. Orcadella Wing. (P. 152.) 



Order III. TUBULINACE.E. Sporangium-wall membranous, 

 without granular deposits ; sporangia tubular, compacted. (P. 152.) 



Genus 27. Tubulina Pers. (P. 153.) 



28. Siphoptychium Host. (P. 155.) 



29. Alwisia Berk. & Br. (P. 155.) 



Order IV. RETICULARIACE.E. Sporangia combined into an 

 asthalium, the sporangium-wall incomplete, perforated or forming 

 a spurious capillitium. (P. 156.) 



Genus 30. Dictydicethalium Host. (P. 157.) 



31. Enteridium Ehrenb. (P. 158.) 



32. Reticidaria Bull. (P. 160.) 



Subcohort II.CALONEMINE^E. Capillitium present, a 

 system of uniform threads. (P. 161.) 



Order I. TRICHIACE.E. Capillitium consisting of free elaters, 

 or combined into an elastic network with thickenings in the form 

 of spirals or complete rings. (P. 161.) 



Genus 33. Trichia Haller. (P. 163.) 



34. Oligonema Pvost. (P. 173.) 



35. Hemitrichia Pvost. (P. 174.) 



36. Cornuvia Host. (P. 181.) 



Order II. ARCYRIACE^E. Capillitium combined into an elastic 

 network with thickenings in the form of cogs, half rings, spines, 



