Mncoraoeie, Miicore;e, Helicostylum. 209 



r.iiiiusi.s ; raiiiis sporangiola jiliiriiiia iiedicellata j,^oruiJtil)Hs ot iii 

 apicciii sturiloni abeuntibus; sporangiis globosis, tiiiiica iiioili ; co- 

 Iiiiiiolla cyliiuliica vol piriroraii; spori.s ellipticis, 8-10 ::; 5-G, o c;e- 

 ruloo subhyaliiiis; sporangiolis globosis, coluinolla destitutis ; spo- 

 ris ellipticis. 



Hab. in liiiio nuirino, oquino etc. in Germania, Gallia et ISelgio. 



HELICOSTYLUM Gorda lcon. Fuugor. V, p. 17 et 55 (Etyin. ab liC' 

 lijj ot ati/lus, ob ranuilos circinatos). — Hyplia3 sporangifera', 

 oroctop, raro repentes, s})Oi'a!igiuni giabi'uin, magiiuni, coluinella 

 prH't.]ituni gerentes, ramosa\ Rami ant rainuli apice recurvati, spo- 

 raugiolo globoso vel pirirormi coluinella minuta vel nuUa iastructo 

 prioditi. Sporjo ovoide.e, hyalinae, in utroque sporangio ;equales. 



1. Hellcostylum elegans Corda Ic. V, pag. 17 et 55 tab. II, tig. 28, ^'^^ 

 Pteurofi/slin Jfchcosff/him Bon. liand. der all. Myk. pag. 121, 

 Ascop/iora amrmia Preuss Hoyersw. — Hyphis sporangiferis erec- 



tis :)-4 cni. altis, sporangio globoso, polysporo, magno, columella 

 elongata, crassa pra*dito terminatis, ramosis; ramis vel ramulis spi- 

 ralitor recurvatis, raniis quandoque in apicem acutum desinenti- 

 l)us ramulisque sporangiolo globoso, pra3cedenti minore columella 

 carente globoso, albido vel pallide griseo oligosporo caduco dona- 

 tis; sporis ovoideis in utroque sporangio sequalibus, hyalinis, G- 

 8 ^ 1-G. 



Ilab. iii substantiis organicis putr. in Gallia, Germania, Britan- 

 nia. — A M. Mucedinc liyphis sporangiferis non raro siinplici- 

 bus vi\ distinguitur. 



2. Helicostylum glomeratum (Van Tiegh. et Le Mon.) Van Tieg. Cir- 7n'.» 

 cincUa (jlorncrala Van Tiegh. et Le Monn. Recherch. sur le Muc. 

 pag. 290, pl. 22, tig. 50-53, Ann. Scienc. Nat. 187;'). — Hyphis 

 sporangiferis erectis, 1-2 cm. altis, 30 y.. latis, ramosis, sporangio 

 verrucoso, spluoroideo, magno tertninatis; coluinella lata, ovoidea 

 subtus insertioneni sporangii e.x apophysi oriento; ramis longis, la- 

 teribus hypha? primari;o opposite exorientibus vel in apice ejus- 

 dem 3-4 verticillatis, sursum inflatis, in rainulis, vesicula inser- 

 tis, divisis, ramulis denique apice recurvato, in sporangiolum pi- 

 riforme, polysporuin desinentibus; sporis ovoideis, in utroque spo- 

 rangio ;^qualibus, minutis, levibus, 3^2, hyalinis. 



llab. \\\ Hmo equino, Paris Galli;o. — Hypha primaria quaiido- 

 que sim[)Iici fungillus a Mncorc non facilo distinguendu-^. 

 o. Helicostylum nigricans Van Tiogh. Trois. Mem. sur les Muc. {>. 374. 710 



14 



