44 LABOULBENIALES 



Family 13. LABOULBENIACEAE 



A. Dioecious 



1. Perithecium borne by the basal or subbasal cell 



of receptacle 



a. Perithecium on the single basal cell, spores 



continuous Amorphomyces T 295, 2:293; 



L 501 



b. Perithecium lateral on the subbasal cell 



(1) Receptacle terminated by a 2-celled promi- 



nence; spores 1-septate Dioecomyces T 2:293 



(2) Receptacle x-celled, setose Smeringomyces T 2:296 



2. Two-celled normal receptacle producing sec- 



ondary receptacles on which the perithecia 



are borne Herpomyces T 2:282 



B. Monoecious 



1. Antherids in definite scries on the appendages 



a. Arising directly from cells of the appendages 



(1) Appendage one 



(a) Antherids in a single or double vertical 



series Stigmatomyces T 298, 2:301 



(b) Antherids more or less distinctly 



whorled Arthrorhynchus T 2:312 



(2) Appendages numerous, antherids in 3 ver- 



tical series Idiomyces T 302, L 501 



b. Borne on branches of the appendages 



(1) Appendage one 



(a) Appendage with sterile terminal branch- 



lets, antherids in short series near its 



base Rhadinomyces T 305, 2:317; 



L 501 



(b) Appendage with fertile terminal branch- 



lets bearing antherids laterally Eucorethromyces T 2:320 



(2) Appendages forming a tuft, antherids on 



lateral branchlets Corethromyces T 303, 2:318; 



L 501 



2. Antherids not in definite series on the ap- 



pendages 

 a. Receptacle 2-celled 



(1) Basal cell with rhizoids 



(a) A single receptacle from each rhizoid 



base Rhizomyces T 307, 2 :322 ; L 502 



(b) Several receptacles from a coinnion 



rhizoid base Moschomyces T 368, 2:429; 



L 504 



(2) Basal cell not from a rhizoid 

 (a) Appendage single 



X. Receptacle of 2 superposed cells 

 (x) Basal cell spheric, penetrating by a 



long filament Ceraeomyces T 2:327 



(y) Basal cell elongate Sphaleromyces T 365, 2:323; 



L 504 

 y. Receptacle of a series of superposed 



cells Ectinomyces T 2:429 



