12 



ILUNOIS BIOLOGICAL MONOGRAPHS 



[12 



Family 6. Didymophyidae L^ger 1892 : 105. Sporonts in associations of two or 

 three. No septum in satellites. 

 Genus 19. Didymophyes Stein 1848:186. Epimerite a small pointed 

 papUla. Cysts spherical, dehiscence by simple rupture, 

 spores ellipsoidal. 

 Type: Didymophyes gigantea Stein. 



Family 7. Actinocephalidae L^ger 1892:166. Sporonts solitary, epimerites 

 complex and varied. Cyst dehiscence by simple rupture, 

 spores irregular, biconical, or cylindro-biconical. (Practi- 

 cally confined to insects.) 

 Genus 20. Amphoroides Labbe 1899:20. Protomerite cup-shaped, 

 epimerite a globular sessile papilla. Spores curved. 

 Type: Amphoroides polydesmi (L^ger) Labb£. 

 Genus 21. Pileocephalus Schneider 1875:591. Epimerite a lance-shaj>ed 

 cone on a short neck. Spores biconical. 

 Type: Pileocephalus chinensis Schn. 

 Genus 22. Stylocystis L^ger 1899:526. Epimerite a sharply recurved 

 cone. Spores biconical. 

 Type: Stylocystis praecox Leger. 

 Genus 23. Discorhynchus Labb^ 1899:20. Epimerite a large globular 

 papilla with a thin collar at the base, neck short. Spores 

 biconical, slightly curved. 

 T3Tpe: Discorhynchus truncatus (L^ger) Labbe. 

 Genus 24. Steinina L^ger and Duboscq 1904:352. Epimerite a short 

 mobile digitiform process changing into a flattened disc. 

 Spores biconical. 

 Type: Steinina ovalis (Stein) L & D. 

 Genus 25. Anthorhynchus Labbe 1899:19. Epimerite a large fluted 

 flattened disc. Spores biconical, extruded in chains 

 laterally. 

 T)^: Anthorhynchus sophiae (Schn.) Labb€. 

 Genus 26. Sciadophora Labb^ 1899:18 Epimerite a large sessile disc 

 with crenulate periphery. Protomerite with numerous 

 backwardly-directed vertical laminations. Spores biconical. 

 Type: Sciadophora phalangii (L^ger) Labb^. 

 Genus 27. Amphorocephalus Ellis 1913:462. Epimerite a sessile peri- 

 pherally fluted disc set upon a short dilated neck. Proto- 

 merite constricted superficially across middle. (Spores 

 unknown.) 

 Typt: Amphorocephalus amphorellus Ellis. 

 Genus 28. PjTunia Hammerschmidt 1838:357. Epimerite a flat crenulate 

 crateriform disc from the center of which rises a long or 

 short style. Spores biconical. 

 T3rpe: Pyxinia rubecula Hamm. 

 Genus 29. Schneideria L^ger 1892:153. Epimerite sessile, a thick hori- 

 zontal disc with milled border, from center of which pro- 

 jects up a short style. No protomerite in adults. Spores 

 biconical. 



