NIDULARIACEAE 



173 



b. Peridium not volvate 



(1) Peridium elongate-cylindric; spores glo- 



bose, reticulate, brownish-orange 



(2) Peridium tuberiform or piriform 



(a) Spores with longitudinal ridges or fur- 



rows 



(b) Spores spinose 



(c) Spores smooth 



X, Peridium with an interrupted mucous 

 layer here and there beneath 

 (x) Peridium hypogean, tuberiform, fall- 

 ing apart irregularly at maturity 

 (y) Peridium epigean, piriform, opening 

 by slits 

 y. Peridium without mucous layer 

 2. Peridium wall lacking, at least at maturity 



a. Peridium elongate-cylindric; spores smooth 



b. Peridium tuberiform or piriform; spores 



furrowed lengthwise 

 B, Trama-plates arising typically from the peridium 

 and not radial; peridium wall separating diffi- 

 cultly or not at all from the gleba 



1, Peridium with rhizoids over the surface or at 



least about the base 



a. Spores globose, warted 



b. Spores smooth 



(1) Chambers of gleba filled with mucus at 



first 



(2) Chambers of gleba hollow 



(a) Spores hyaline 



(b) Spores colored 



2. Peridium without rhizoids 



a. Spores spinose, globose 



(1) Gleba percurrent by a columella 



(2) Gleba without columella 



(a) Peridium with sterile base 



(b) Peridium without sterile base 



b. Spores not spinose, but smooth, verrucose 



or rugose 



(1) Gleba with branching columella and sterile 



base 



(2) Gleba without columella or sterile base 



Protoglossum 11:158, F 306 



Chamonixia 16:251, F 556 

 Martellia 16:252 



Protubera 11:155, F 306 



Phallogaster 11:155, F 304 

 Hysterangium 7:155, F 306; 48 



Gymnoglossum 11:158 



Gautieria 7:177, F 304; 48 



Sclerogaster 11:169, F 312 



Leucogaster 9:281, F 311 



Rhizopogon 7:161, F 311; 48 

 Melanogaster 7:164, F 334 



Arcangeliella 16:255 



Octaviana 7:158, F 310 

 Hydnangium 7:175, F 310 



Dendrogaster 17:240 

 Hymenogaster 7:168, F 308; 48 



Family 79. NIDULARIACEAE 



7:28; Fischer 326 



Peridium funnelform to cupulate or globoid, leathery or fleshy-leathery, open- 

 ing over the entire top and exposing one to many lentiform or globoid peridioles, 

 the latter usually attached by a funiculus to the wall of the peridium; spores 

 1-celled, hyaline, smooth; epigean, humicole, fimicole or lignicole. 



A. Peridium with several to many peridioles 



1. Peridium globoid, without epiphragm, opening 



by a tear; peridioles without funiculus Nidularia 7:28, F 326; 48 



