Rhizina 215 



Peziza verruculosa Berk, & Curt. Proc. Am. Acad. 4: 127. 1860. This may 

 be a Pseiidoplectania. 



Geopyxis Hicksii Peck, Ann. Rep. \. Y. State Mus. 46: 38. 1893. This 

 is probably a Sderotinia. Type could not be found in the Peck collection 

 at Albany. 



36. RHIZINA Fries, Obs. Myc. 1: 161. 1815. 



Apothecia expanded, attached to the substratum by numerous 

 root-like processes, the substance fleshy or subfleshy, rather 

 tough when dry; asci cyhndric to clavate, 8-spored; spores 

 fusoid; paraphyses stout. 



Type species, Rhizina undulata Fries. 



1. Rhizina inflata (Schaeff.) Karst. Act. Fauna Fl. Fenn. 2: 112. 



1885. (Plate 27.) 



Elvela inflata Schaeff. Fung. Bavar. 4: 102. 1774. 

 Elvela acaulis Pers. Obs. Myc. 2: 29. 1799. 

 Phallus acaulis Batsch, Elench. Fung. 130. 1783. 

 Peziza rhizophora Willd. Fl. Berol. 402. 1787. 

 Octospora rhizophora Hedw. Descr. 2: 15. 1788. 

 Rhizina undulata Fries, Obs. Myc. 1: 161. 1815. 

 Rhizina laevigata Fries, Obs. Myc. 1: 162. 1815. 



Apothecia sessile, discoid or nearly so, attached to the 

 substratum by root-like processes which cover the lower surface 

 to near the margin, the substance firm, more or less spongy, 

 becoming tough or rather corky when dry, reaching a diameter 

 of 5-6 cm. ; hymenium plane or slightly convex, even or undulated, 

 brownish-black, the margin lighter; asci cylindric to clavate, 

 reaching a length of about 300 m and a diameter of 12-18 m; 

 spores 1 -seriate or partially 2-seriate above, with the ends 

 overlapping, fusiform, usually with an apiculus 3-4 m long on 

 either end, containing two oil-drops and occasionally with a 

 pseudoseptate appearance, hyaline, about 10X35 43 m; pa- 

 raphyses enlarged and clinging together at their apices, brown, 

 intermixed with brown, thick-walled, non-septate, hair-like struc- 

 tures. 



Rare on the ground where it has recently been burned over. 



Type locality: Europe. 



Distribution: Connecticut to Alabama and Montana; also 



in Europe. 



Illustrations: Boud. Ic. Myc. pi. 251; E. & P. Nat. Pfl. 

 V: 172, /. 143; Gill. Champ. Fr. Discom. pi. 30, f. 1; Hedw. 



