22 SYNOPSIS OF ORDERS AND 



Subcohort II. — AMAUROCHAETINEAE. Sporangia 

 without lime. (P. 141.) 



Order I. — Stemonitaceae. Sporangia distinct, provided 

 with a stalk and columella. (P. 141.) 



Genus 18. Stemonitis Gled. (P. 143.) 



19. Comatricha Preuss. (P. 151.) 



20. Enerthenema Bowm. (P. 160.) 



21. Lamproderma Rost. (P. 161.) 



22. Clastoderma Blytt. (P. 169.) 



23. Echinostelium de Bary. (P. 170.) 



Order II. — Amaurochaetaceae. Sporangia combined to 

 form an aethalium. (P. 170.) 



Genus 24. Amaurochaete Rost. (P. 171.) 

 25. Brefeldia Rost. (P. 172.) 



Cohort II.— LAM PROSPOR ALES. Spores variously 

 coloured, not violet-brown or purplish-grey (except in Licea 

 minima and Listerella, q.v.). 



Subcohort l.—ANEMINEAE. Capillitium wanting, or if 

 present not forming a system of uniform threads (except in 

 Alwisia, q.v.). (P. 173.) 



Order I. — Heterodermaceae. Sporangium-wall mem- 

 branous, beset with microscopic round plasmodic granules, 

 and (except in Lindbladia) forming a net in the upper part. 

 (P. 173.) 



Genus 26. Lindbladia Fries. (P. 174.) 



27. Cribraria Pers. (P. 175.) 



28. Dictydium Schrad. (P. 185.) 



Order II. — Liceaceae. Sporangia solitary ; sporangium- 

 wall cartilaginous (membranous in Licea biforis). (P. 186.) 



Genus 29. Licea Schrad. (P. 187.) 



30. Orcadella Wing. (P. 190.)] 



Order III. — Tubulinaceae. Sporangium-wall mem- 

 branous, without plasmodic granules ; sporangia clustered, 

 cylindrical or ellipsoid. (P. 190.) 



Genus 31. Tubifera Gmelin. (P. 191.) 



32. Alwisia Berk. & Br. (P. 193.) 



Order IV — Reticulariaceae. Sporangia closely com- 

 pacted and usually forming an aethaliuni ; sporangium- 

 walls usually incomplete or forming a spurious capillitium ; 

 true capillitium none, or in Liceopsis consisting of a few 

 branching threads or strands. (P. 194.) 



