Phycomycetse, Mucoracea', Mucor. 433 



3. Mucor De-Baryanus Scliostak. Ber. Deutscli. Bot. Ges. 1897, p. 473, 1631 

 tab. XXIII, iig. 1-4 et 8. — Hypliis sporangiferis initio tantum 

 erectis, csespituluni densum daedaleum griseo-nigrum formantibus, 

 monopodiiformiter ramosis, septatis, post maturitatem sporangio- 

 rum arcuatis, propuUulantibus ; sporangiis globosis minutis, 60-120 



u. diam., nigris, tunica impellucida, granulis calcareis incrustata, de- 

 liquescente; columeUa conica, 100-170^60-140, byalinis, levibus; 

 sporis subglobosis, fiavo-griseis, by^-lO'/^ f^. diam.; gemmis co- ■ 

 piosis, ut in Mucore racemoso ; zygosporis non visis. 

 Hdb. in pane udo, corrupto^ in Sibiria. 



4. Mucor heterosporus Fisch.— Syll. XI, p. 239. — Var. sibiricus ^^^ 

 Scbostak. Ber. Deutsch. Bot. Ges. 1897, pag. 472, tab. XXIII, 

 fig. 9-13. — Hypbis sporangiferis initio erectis, demum decumben 

 tibus, csespitulum initio album dein brunneum formantibus, 2 cm. 

 longis, copiose sympodiiformiter ramosis, septatis; sporangiis sub- 

 nigris, globosis, 60 p. diam., ssepe subsessilibus, ramis interdum 

 brevissimis, apice basali rotundatis, facile deciduis, tunica granulis 

 cak;areis incrustata, pellucida, in fragmenta secedente; columella 

 30-40 ^ 20, conica v. supra globosa, interdum asymmetrica, hyalina, 

 levi; sporis griseis, plerumque globosis v. anguloso-globosis, 5-lOft. 

 diam., etiam irregularibus ; gemmis orcul?eformibus, globosis v. ir- 

 regulariter quadratis; zygosporis non visis. 



Hah. in pane udo, corrupto, in Sibiria. 



5. Mucor racemosus Fres.-Sacc. Syll. YII, p. 192 — Yar. brunneus 1633 

 Morini, Malpighia 1896, p. 88. — Filamentis mycelialibus inflatio- 

 nibus destitutis; hypbis sporangiferis plerumque parum ramosis, 

 multo minus longis quam in specie; sporangiis saturate luteo-brun 

 neis; chlamydosporis sphsericis, raro breviter ellipticis. 



Hah. m putrescentibus pr. Messina Sicilia?. 



6. Mucor prolifer Schostak. Ber. Deutsch. Bot. Ges. 1896, p. 260, 1634 

 tab. XYIII. — Hyphis sporangiferis primo pumilis, dein erectis 



et 6-7 cm. longis, denique septatis, phis minusve repetite ramosis ; 

 sporangiis variis, aliis globosis, griseis, 300-400, rarius 500 p., im- 

 pellucidis, incrustatis, columella magna, 150-300 ^ 100-180, late pi- 

 riformi levi, facile deliquescente , sporis ovalibus, hyaUnis, substan- 

 tia mucosa obvaJlatis, 17 '/,,'=' 7 '/,, valde guttulatis; sporangiis 

 aliis 20-200 a. diam., nigris, peUucidis, leviter incrustatis, cohimeUa 

 varia; sporis oblongis, 7-17 y^ '^ 3-7 y,, non guttulatis. 



Hab. in pane et fimo equino putrescentibus in Sibiria. 



7. Mucor irl<utensi8 Schostak. Ber.Deutsch. Bot. Ges. 1897, p. 472. — i635 



28 



