Phycomycetse, Mucoraceae, Pilobolus. 505 



ctis; ramis sporangiferis e medio arcuum 3-5 assurgentibus, sim- 

 plicibus; sporangiis ovoideis v. piriformibus, membrana levi; co- 

 lumella conoidea; sporis globulosis, hyalinis, 4,5-6 ;x. diam, mem- 

 brana spinulosa; zygosporis breve ovoideis v. subsphieroideis, 78- 

 86 \x. cliam , nigricantibus, filamentis uncinatis obvolutis et ger- 

 minando hyphain sporangiferam simplicem ramosamve generan- 

 tibus. 



Hab. in fimo equino, Bologna Ital. bor. — Azygospora? not^e. 



SPORODINIA Link. — Syll. VII p. 206. 



1. Sporodinia argentinensis Speg. Myc. argent. ser. II, 1902, p. 67. 1717 



— C;espitulis tenerrimis, fugacissimis subcinerescentibus, 5-10 mm. 

 alt. ; ramis erectis, Jaxe articulatis, cylindraceis, internodiis graci- 

 libus, 500-1000*: 10-12, hyalinis; sporangiis globosis chlorinis, 30- 

 50 \x. diam., mox diffiuentibus, columellam globosam 15-25 |i. d., 

 liberantibus ; sporis levibus, utrinque obtusis, 4-6 v 3 -4, tenuissime 

 tunicatis, eguttalatis, hyalinis. 



Hab. in lignis quibusdam diu in receptaculo humido servatis, 

 La Plata, in Argentina. 



HELICOSTYLUM Corda — Syll. VII p, 209, XIV p. 434. 



1. Helicostylum intermedium Morini, Rendic. d. R. Accad. d. Scienze 1718 

 Bologna, 1902, p. 81-88 c. tabula (absque diagnosi). — Gsespitu- 

 losum, albidum; caespitulis '/ 3 mm. diam. ex hyphis laxis compo- 

 sitis; hypha primaria 0,7-1,3 mm. alta, 22-28 |i. cr., erecta, con- 

 tinua supra medium ramosa, parte suprema hyph;e ramorumque 

 attenuata et sterili; ramis prope medium ramulosis, ramulis arcte 

 spiraliter contortis, apice sporangiophoris; sporangiis globosis, co- 

 lumella destitutis, 26-30 \x. diam., hyalinis, spinulis calcareis per- 

 exiguis conspersis; sporis paucis (5-18) ovoideis, levibus, e fla- 

 vido hyalinis, ex icone circ. 8-9 « 6-6,5. 



Hab. in fimo bovino, Bologna -Ital. bor., socio Pilobolo. 



PILOBOLUS Tode — Syll. VII p. 184. 



1. Pilobolus Morinii Sacc. Piloboli sp. Mor. in Mem. R Accad. delle 1719 

 Scienze di Bologna ser. V, tom. VIII, 1899-1900, p. 85. c. tab. 



— Videtur affinis P. nano van Tiegh., a quo differt hyphis spo- 

 rangiophoris basi non 2-5 coalitis; sporis globosis minutis 4,5-6 

 ;j.. diam., aurantiacis, nec incoloribus. 



Hab. in stercore humano sicco, Montese in agro Bononiensi. 



