22 SYNOPSIS OF THE ORDERS AND 
Order II. — AMAUROCHiETACE^. Sporangia combined into an 
jethalium. (P. 134.) 
Genus 20. Amaurochcete Host. (P. 134.) 
21. Brefeldia Rost. (P. 135.) 
Cohort U.—LAMFROSPORALES. Spores variously coloured, 
never violet. (P. 136.) 
Subcohort I. — ANEMINEM. Capillitium wanting, or not 
forming a system of uniform threads. (P. 136.) 
Order I. — Heteeodermace^. Sporangium-wall membranous, 
beset with microscopic, round granules, and (except in Lindhladia) 
forming a net in the upper part. (P. 136.) 
Genus 22. Lindhladia Fries. (P. 137.) 
23. Gribraria Pers. (P. 138.) 
24. Dictydium Schrad. (P. 148.) 
Order II. — Liceace^. 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 membi-anous, 
without granular deposits ; sporangia tubular, compacted. (P. 152.) 
Genus 27. Tubulina Pers. (P. 153.) 
28. Sijjhoptychium Host. (P. 155.) 
29. Alwisia Berk. & Br. (P. 155.) 
Order IV. — RETicuLARiACEiE. Sporangia combined into an 
sethalium, the sporangium-wall incomplete, perforated or forming 
a spurious capillitium. (P. 156.) 
Genus 30. JDictydicethalium Rest. (P. 157.) 
31. Enteridium Ehrenb. (P. 158.) 
32. Reticularia Bull. (P. 160.) 
Subcohort IL—CAL0NEM1NEjE. CapilKtium present, a 
system of uniform threads. (P. 161.) 
Order I. — Trichiace^. 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 Rost. (P. 173.) 
35. Hemitrichia Rost. (P. 174.) 
36. Gornuvia Rost. (P. 181.) 
Order II. — Arcyriace^. Capillitium combined into an elastic 
network with thickenings in the form of cogs, half rings, spines, 
