170 



LYCOPERDALES 



(2) Walls of the receptacle ribbon-like or deli- 

 cate 



(a) Walls ribbon-like, hollow; not stipiti- 



form at base 



(b) Walls delicate, with 1-2 layers of cham- 



bers; stipitiform at base 

 2. Receptacle divided above into free laciniae or 

 lobes 



a. Receptacle expanded above into a horizontal 



border with deeply divided lobes 



b. Receptacle divided directly into lobes 



(1) Receptacle cupulate with many simple 



lobes 



(2) Receptacle of a few simple lobes 



(a) Gleba on the outside of the lobes 



(b) Gleba on the inside of the lobes 



(3) Receptacle of many furcate lobes, sub- 



coralloid 



Ileodictyum F 283 

 Clathrella 16:228, F 284 



Aseroe 7:25, F 288; 46 



Calathiscus 7 :24, F 289 



Lysurus 7:22, F 286; 46 

 Anthurus 7:23, F 286; 46 



Kalchbrennera 7:14, K 289 



Family 77. LYCOPERDACEAE 



7:48; Fischer 313-346 



Epigean; gleba powdery or firm, not at all gelatinous, enclosed in a peridium, 

 the latter usually globoid to pyriform, sessile or stipitate, membrano-corious, 

 furnished with a definite mouth or opening more or less irregularly; gleba some- 

 times with a percurrent or incomplete columella, typically powdery, often with 

 capillitium, or sometimes containing more or less distinct sack-like units; spores 

 1-celled, hyaline or colored. 



A. Peridium with a percurrent columella, stipitate 

 1, Gleba lamelloid, poroid or with labyrinthine 

 chambers 

 a. Gleba lamelloid or poroid; stipe appcndagcd 

 (1) Gleba with radiate lamellae; capillitium 

 none 



(2) Gleba with vertical tube-like chambers; 

 capillitium present 

 b. Gleba with anastomosing septa or chambers 



(1) Peridium globoid, more or less pileiform 



at maturity; capillitium none 



(a) Trama-plates or septa decurrent on the 



stipe 



(b) Trama-plates not decurrent, arising 



from peridium or upper part of col- 

 umella 



(2) Peridium clavate 



. Gleba merely spongy, with hyphal strands; 

 capillitium typically present 



a. Peridium opening at base about the stipe 



b. Peridium not opening around stipe but split- 



ting lengthwise 



Gyrophragmium 7:51, F 303; 

 47 



Polyplocium 7:55, F 302 



Macowanites 7:179, F 299; 48 



Secotium 7:51, F 300; 47 

 Cauloglossum 7:57, F 299; 47 



Podaxon 7:58, F 332; 47 

 Chaenoderma 9:268, F 333 



