b. Ciipulatac. 



27. P. cat ill us //'/^w.'*. On rnttrn wood. Car. (Sdiw.). 



2S. P. carlMniariii .1. ct *S. On burnt soil. Bethleliem (Schw.). 



1\). r. pulchra Gerard. Under pines. N. Y. (Gerard). 



30. P. CHimlari.s F/-. On burnt ground. Car. (Curt.) ; N. Eng. (Frost). 



.'M. P. diliita J"/-. On the ground. Bethlehem (Scliw.). 



;J2. P. a|>|>laiiata Fr. Bethlehem (Schw.). 



83. P. fiiligiiiea Sch. Bethlehem (Schw.). 



34-. P. irrorata D. cf; C. On soil. Cup-shaped, at length flattened, fuligin- 

 ous (1 inch), broadly fixed beneath; sporidia uniseriate, elliptic, at 

 length rough (.0004 inches); paraphyses clavate. Texas (M. J. B.). 



35. P. violacea Fr. Amongst Kalmias. Car. (Schw.). 



3l{. P. membraiiacea Sch. Bethlehem (Schw.). 



37. P. Sprag:nei B. & C. On rotten wood. Flattened, margin incurved. 



externally pallid tomentose; disc rufous (^^ inches) ; asci linear, obtuse ; 

 sporidia elliptic, uniseriate (.0005 inches). Maine (Sprague) ; Car. 

 (Curt.); N. Eng. (Frost). 

 [*P. YClutina B.&C. Ou ligneous earth. Undescribed and uncertain.] 



38. P. Petersii i>. tfc C. On burnt soil. Gregarious, crispate, externally pal- 



lid; disc bay-brown; sporidia elliptical, narrow, binucleate (.00038 

 inches); cups 1 inch or more. Alabama (Peters). 



39. P. (lecolorans i?. tfc C On the ground. Cups small, obconical, whitish, 



then fuliginous; sporidia elliptical, binucleate (.00057 inches). Ala. 

 (Peters). 

 49. P. microspora B. & C. On rotten wood. Small, gregarious, crowded 

 and irregular, fleshy, fragile, externally pallid, pruinose, internally 

 orange-yellow ; stem very short or obsolete ; sporidia small, elliptic, 

 even, binucleate (.00038 inches). Car. (Rav.). 



Sect. 4. HuM.vui.v. 



a. Sphaerosporac. 



40i. P. sphaeroplea B. & (J. On burnt earth. Orange, pateraeform (3 lines), 

 thinly clad with articulated flocci, asci linear, obtuse, paraphyses 

 filiform, simple or branched, sporidia uniseriate (.0005 in). Car. (Curt). 



41. P. hiniuilea B. & Br. {P. psammophila B. & C). Ou soil amongst grass, 



Car. (Curt). 



42. P. Wri?htii B. & C, on trunks. Texas (M. J. B.). 



43. P. exasperata i?. cD C. On burnt earth. Scarlet. Cups subglotose (J^ 



inch) externally verruculose, margin inflexed. Sporidia globose, echiu- 

 ulate (.0005 in). Alabama (Peters). 



h. Ellipsisporae. 



44. P. omplialodcs Ball. On burnt ground. Car. (Schw.; Curt.) 



45. P. melaloiua A. & 8. On burnt ground. Car. (Curt); Conn. (Wright). 



46. P. granulata Ball. On cow dung. Car. (Schw.); N. Y. (Peck). 



Bin.. Blip. SOC. NAT. SCI. (37) MARCH, 1875. 



