Seaver: Photographs and Descriptions of Cup-fungi 69 



Apotheci?. medium sized, not exceeding 1.5 cm. in di- 



ameter. 



2. D. apiculata. 



Apothecia bright-colored ; spore appendages truncate. 

 Hymenium strongly convolute. 

 Hymenium even or only slightly undulated. 



3. D. convoluta. 



4. D. lencoxantha. 



I. Discina ancilis (Pers.) Sacc. Syll. Fung. 8: 103. 1899 



Peziza ancilis Pers. Myc. Eu. i: 219. 1822. 

 Peziza perlata Fries, Syst. Myc. 2: 43. 1822. 

 Discina perlata Fries, Summa Veg. Scand. 348. 1849. 

 Rhizina helvetica Fuckel, Symb. Myc. Nacht. 2: 66. 1873. 

 Peziza Wamei Peck, Ann. Rep. N. Y. State Mus. 30: 59. 1878. 

 Aleuria ancilis Gill. Champ. Fr. Discom. 36. 1879. 

 Acetabula ancilis Lamb. Fl. Myc. Belg. 2: 573. 1880. 

 Discina Wamei Sacc. Syll. Fung. 8: 102. 1889. 

 Discina ancilis Sacc. Syll. Fung. 8: 103. 1889. 

 Discina helvetica Sacc. Syll. Fung. 8: 103. 1889. 



Apothecia gregarious or scattered, more rarely congested, short- 

 stipitate, at first subglobose, soon becoming discoid, finally repand, 

 at first regular in form, becoming irregular and often angular as 

 the margin rolls back, externally whitish or pallid, reaching a 

 diameter of 7 or 8 cm., or in rare cases as large as 20-25 cm. ; 

 hymenium uneven, often beautifully veined or convolute, plane 

 or convex, usually umbilicate, dark-brown, finally almost black ; 

 stem very short and stout, often 1-3 cm. in diameter and rarely 

 exceeding- 1 cm. in length, or entirely wanting, more or less lacu- 

 nose, whitish or overcast with a pinkish tint ; asci cylindric or 

 subcylindric, reaching a length of 300-350^ and a diameter of 

 12-18 ft, 8-spored ; spores obliquely 1 -seriate, very large, ellipsoid, 

 hyaline, 12-14X30-35^, or occasionally as long as 40 /x includ- 

 ing apiculi ; at first smooth, becoming sculptured ; spore-sculptur- 

 ing consisting of minute warts ; spore appendages consisting of a 

 minute apiculus 4-5 fx long and 3-4 fx broad at the base, one at 

 either end of the spore ; paraphyses strongly enlarged above, 

 closely adhering together, dark yellowish-brown, reaching a 

 diameter of 8 11. 



On the ground in coniferous woods, more rarely on rotten 

 wood. 



Type locality : Europe. 



Distribution : New York to Washington, Oregon, and Colo- 

 rado ; also in Europe. 



Illustrations : Ann. Rep. N. Y. State Mus. 30 : pi. 1, f. 

 19-21 ; Boud. Ic. Myc. pi. 252 ; Fuckel, Symb. Myc. Nacht. 2 : 



