434 PhyeomyeetiP, Mucoracese. Helicostyluiri. 



Hypliis sporangiferis erectis, untlulato-arouatis, caespitulum densum 

 circiter 9 cm. aitum efformantibus, non vel sympodiiformiter ra- 

 mosis, 9-iO cm. longis, 100 p. erassis, parce septatis, membrana 

 levi liyalina praeditis; sporangiiEs aequalibus, globosis, 1 mm. diam., 

 initio luteis, dein griseo-luteis, in maturitate interdum supra lac- 

 teis, tunica impellucida, vaJde incrustata in fragmenta secedente; 

 eolumella magna, conica, cylindrica v. piriformi, 270-400 >^ 200-280, 

 aurantiaca, episporio levi hyalino ; sporis plpsmatis fragmentis ac 

 globulis oleosis immixtis, aequalilius, 28 « 10 '/,, solitariis dilute lu- 

 teis, in cumulo ilavo-brunneis, substantia mucosa obvallalis; zygo- 

 sporis gemmisque non visis. 



Hah. in fimo capreariira in Sibiria. 



8. Mucor obducQflS Sacc. et Syd. Sic dicendus est Miicor lateritius 1636 

 Cke. et Mass. in Syll. IX, p. 336, quum exstet anterior Mucor la- 

 teritim Ljnk in Syll. VII, p. 201. 



PHYCOMYCES Kunze — Syll. VII, p 204. 



1. Phycomyces Pirottlanus Morini, Malpighia 1896, p; 89, tab. III, 1637 

 fig. 8-12. — Hypbis sporangiferis circiter 2 '/^-3 '/, cm. longis, 

 membrana tenuiter olivacea praeditis; sporangiis globuiosis maturi- 

 tate nigrescentibus, 0,10-0,42 mm. diam.; membrana plerumque 

 diffluente usque ad parvi annuli residuum circa coiumellam ovoi- 

 dalem persistentis; sporis ellipticis, luteo-pallidis, 12-18 w. longis; 

 chlamydosporis inter formam giobulotsam et cylindroidera varian- 

 tibus, membrana glabra ; zygosporis ovoidalibus, pariete nigro, 

 glabro vel paucis et tenuissimis protuberani;iis praedito, circiter 

 0,12 mm. diam,, tectis subtili involucro, constituto laxo contextu 

 hypliarum exiliura et nigrescentium, quse a suspensoribus germi- 

 nantur : numeros&3 et breves hyphae ad extremitatem bifidce in su- 

 perficie involucri eriguntur. 



Hab. in stercore equino, Messina Siciliae. 



HELICOSTYLIJM Corda — Syll. VII, p. 209. 



1. Helicostylum cyemeum Poond et Clements, Bot. Surv. of Nebraska. i638 

 IV Linooln. 1896, p. 5. — Sporangiolis numerosis, 30-50, globosis 

 V. piriformibus, in pedicello flexiU nutantibus, chalybeis. 35-45 p. 

 diam., 15-35-sporis; columella nulJa; sporis ellipsoideis v. ovatis, 

 levibus, creruleis, denique pallide cceruleis, 12-1 6 ^ 8-10. 



Hab. in fimo equino, sociis Piptocephalo et Circinella, pr. Lin- 

 coln, Nebraska Amer. bor. 



