PODOPHACIDIUM 97 



Doubtful Species 

 lonomidotis Julvotingens (Berk. & Curt.) Cash, Jour. Wash. Acad. Sci. 29: 

 50. 1939; Cenangium Julvotingens Berk. & Curt. Grevillea 4: 4. 1875. Ac- 

 cording to Miss Cash, this species belongs with the present genus. One speci- 

 men collected by L. O. Overholts (16856) in Pennsylvania has been referred to 

 this species by him. No authentic material has been seen. 



16. PODOPHACIDIUM Niessl in Rab. Fungi Vm. 1153. 1868. 

 Melachroia Boud. Hist. Class. Discom. Eu. 96. 1907. 



Apothecia contracted at the base, substipitate, obconic to 

 turbinate, opening with a laciniate aperture; hymenium freely 

 exposed at maturity and bright-colored, yellow-olivaceous; asci 

 clavate, 8-spored; spores simple, hyaline. 



Type species, Podophacidium terrestre Niessl. 



Only one species of the genus known to the author. 



1. Podophacidium xanthomelum (Pers.) Kavina, Crypt. Cech. 

 Exsicc. 217. 1936. (Plate 98.) 



Peziza zanthomela Pers. Syn. Fung. 665. 1801. 

 Peziza .xanthomela Pers. Myc. Eu. 1: 296. 1822. 

 Podophacidium terrestre Niessl in Rab. Fungi Eu. 1153. 1868. 

 Aleuria xanthomela Gill. Fr. Champ. Discom. 207. 1886. 

 Humaria xanthomela Sacc. Syll. Fung. 8: 128. 1889. 

 Urnula terrestris Sacc. Syll. Fung. 8: 550. 1889. 

 Melachroia xanthomela Boud. Hist. Class. Discom. Eu. 97. 1907. 

 Melachroia terrestris Boud. Hist. Class Discom. Eu. 97. 1907. 



Apothecia thickly gregarious, occasionally a few closely 

 crowded, the hymenium bright-yellow with a slightly olive tint, 

 surrounded with a dark-brownish or almost black laciniate bor- 

 der, the outside of the apothecium dark-brownish or nearly black, 

 reaching a diameter of 3-4 mm.; asci clavate, reaching a length 

 of 90-125 M and a diameter of 7-9 ju; spores ellipsoid, the ends 

 slightly attenuated, usually with two oil drops, 5-6 X 10 17 n; 

 paraphyses very slender, branched. 



On soil in coniferous woods. 



Type locality: Europe. 



Distribution: Washington to northern New York, Toronto 

 and Quebec; also in Europe. 



Illustrations: Rab. Fungi Eu. 1153; Niessl Beit. pi. 7,f. 50; 

 Boud. Ic. Myc. pi. 449 (as Melachroia xanthomela (Pers.) Boud.); 

 Cooke, Mycographia, pi. 11, f. 41 (as Peziza xanthomela Pers.), 

 Papers Mich. Acad. Sci. 22: pi. 15, j. 2; MycologiaSl: 351,/. 1. 



