142 



ENDOSrOREAE 



[STEMONITIS 



Sporangium-wall evanescent ; capillitium as in Stemonitis, 

 but not forming a superficial net, or only imperfectly 

 towards the base of the sporangium. (19) Comatricha. 



Fig. 27. — Comatricha nigra Schroeter. 



a. Group of sporangia. Natural size. 



b. Sporangium deprived of spores showing the capil 



litium. Magnified 16 times. 



Fig. 27. 



Sporangium-wall evanescent ; columella reaching to the apex 

 of the sporangium ; capillitium springing from beneath the 

 superficially expanded end of the columella. 



(20) Enerthenema. 



.Fig. 28. — Enerthenema papillata Rost. 



a. Group of sporangia. Twice the natural size. 



b. Sporangium. Magnified 16 times. 



e. Sporangium deprived of spores, showing the 

 capillitium. Magnified 16 times. 



Fig. 28. 



Sporangium-wall somewhat persistent as an iridescent mem- 

 brane ; capillitium radiating from the columella. 



(21) Lamproderma. 



Fig. 29. — Lamproderma scintillans Morgan. 



a. Group of sporangia. Magnified 2$ times. 



b. Sporangium deprived of spores, showing capil- 



litium. Magnified 25 times. 



Fig. 29. 



Sporangium-wall persistent in the form of minute discs at 

 the apex of the rigid forking capillitium threads ; columella 

 short or hardly evident. (22) Clastoderma. 



Fig. 30. — Clastoderma Debaryanum Blytt. 



a. Group of sporangia. Magnified 10 times. 



b. Sporangia deprived of spores, showing capillitium. 



Magnified 64 times. 



Fig. 30. 



