Sphaerospora 43 



Apothecia superficial. 



Apothecia medium-sized, shaped like an acorn-cup 



with a short slender stem. 35. Geopyxis. 



Apothecia medium to large, sessile or with a stout 

 stem-like base, often irregularly contorted. 

 Spores apiculate. 



Apothecia attached to the substratum by 



numerous root-like processes. 36. Rhizina. 



Apothecia not attached by numerous root-like 



processes. 37. Discina. 



Spores not apiculate. 38. Peziza. 



Apothecia entirely buried in the ground, at least when 



young. 39. Sarcosphaera. 



1. SPHAEROSPORA Sacc. Syll. Fung. 8: 188. 1889. 



Peziza § Sphaerospora Sacc. Michelia 1: 594. 1879. 

 Sphaerosporula Kuntze, Rev. Gen. PI. i^: 530. 1898. 



Apothecia becoming scutellate or occasionally discoid, ex- 

 ternally clothed with hairs; hymenium plane, slightly concave 

 or rarely convex, usually red or brown, more rarely greenish 

 or pale-yellow; hairs bristly or flexuous, hyaline or colored; 

 asci cylindric to clavate, 8-spored; spores globose, hyaline or 

 colored, smooth or becoming sculptured; spore-sculpturing con- 

 sisting of warts or spines; paraphyses slender below, clavate 

 above . 



Type species, Peziza trechispora Berk. «& Br. 



Spores becoming sculptured at maturity. 

 Spore-sculpturing consisting of warts. 



Apothecia bright-red; hairs rigid. 1. S. trechispora. 



Apothecia greenish; hairs flexuous. 2. S. flavovirens. 



Spore-sculpturing consisting of spines. 3. 5. perplexa. 



Spores remaining permanently smooth. 

 Apothecia reddish-brown. 



Apothecia small, 1-6 mm. in diameter, forming con- 

 gested masses on burned places. 4. 5. brunnea. 

 Apothecia large, reaching 1 cm. in diameter, scat- 

 tered, on sandy soil in woods. 5. S. hinntdea. 

 Apothecia pale-yellow. 6. S. monilifera. 



1. Sphaerospora trechispora (Berk. & Br.) Sacc. Syll. Fung. 8: 

 188. 1889. 



Peziza trechispora Berk. & Br. Ann. Mag. Nat. Hist. 18: 77. 1846. 

 Lachnea trechispora Gill. Champ. Fr. Discom. 77. 1879. 

 Peziza asperior Nyl. Not. Fauna Fl. Fenn. 10: 21. 1869. 

 Leiicoloma asperior Rehm, Ber. Naturh. Ver. Augsburg 26: 6. 1881. 



