GENERUM CRYPTOGAMICORUM. 705 



547. SisTOTREMA Pers. Fr. Hjmeniuin e den- 

 tlbiis planis lamellaeformibiis llexis gyrosis utrinque 

 ascophoris. Pileus carnosus. Sp. 1891. 



548. Irpex Fr. , Hjmeniura aculeatura: acu- 

 lei cura pileo homogenei, basi plicis lamellosis 

 sinuoso-porosis iuncti, seriatini s. reticulatim dis- 

 positi. Ascidia in processibus dentatis collocata. 

 Pileus subcoriaceus. Sp. 1892. 



549. Radulum Fr. Hymenium carneo-cereum, 

 interruptum, ambiens, processibus tuberculatis 

 aut dentibus obliquis obtusis, cum hymenio ipso 

 ascophoris. Pileus effusus resupij)atus. Sp. 1893. 



550. Thelephora Ehrh. JVilld. Hvmenium 

 continuum, cum pileo concretum, papillis sparsis 

 obtusis obsitum, vel omnino laeve, Forma ex- 

 terna varia. Sp. 1894 — 1908. 



b. Jllitrati. 



551. Helvella Gled. Mitra deflexa, subdif- 

 formis, stipitata, supra hjmenio laevi tecta. A- 

 scidia fixa. Sp. 1909 — 1912. 



652. MoRCHELLA Dillen, Mltra varia, hjme- 

 nlo celluloso - lacunoso subreticulato. Sp. 1913, 

 1914. 



653. Leotia Hill. Mitra rotundata aut de- 

 formis, carnoso-gelatlnosa, a stipite libera, hj- 

 menio Jaevi superiori et marginali. Sp. 1915. 



554. SpATHULARiA Pcrs. Mitra compressa, 

 utrlnque in stipitem discretum decurrens. Ascidia 

 eiastice sporidia proiiciunt. Sp. 1916. 



