Mucoraoeoc, MiicnreoB, Rhizopus. 2i;5 



Mucnr n^copliorus, M. clavatwi et J^hizopia^ niffvicans. — Vai-. 

 luxurians Scliroet. Ki\vpt. Flor. Scliles. Pilze p. 207: liyphis spo- 

 rangiferis maxiiua parte ramosis, ramis apice vesicula ijlobosa ma- 

 gna. 2 vel pluros ramulos apicc sporangio teriiiinatos gorente in- 

 structis. In substantiis orjjranicis in Gormania. 



•1. Rhizopus microsporus Van Tiegh. A. S. N. 187.5, p. 83, tab. 2, 75o 

 Hg. 46-48. — Stolonibus rectanguhiriter fracti-flexis, ad angulos 

 radiculas et hyphas sporangiferas gerentibus, hyphis erectis sim- 

 l)iicibus, solitariis raro binis vel trinis, l)revibus 500-000 y.. alt. ; 

 sporangiis globosis, apophysatis, columella glohosa : sporis suban- 

 gulatis, verrucosis, nigresceritibus, 1 ■/. diam. 



Hab. \i\ fimo equino, Paris Oallia^ — aR/i. nigricanli affinis, 

 a quo exiguitate distinctus. 



5. Rhizopus minimus Vaa Tiegh. .\. S. N. 1875, pag. 84, tav. 2, T2i 

 fig. 40-51. — Stolonibus rectangulariter fracti-flexis, apicibus an- 

 gulorum hyphas fertiles et radiculas gerentibus; liyphis sporaugi- 

 feris minimis, 100-200 raro 300 y.. altis, nigrescentibus continuis, 

 solitariis, sporangiis globosis, apophvsatis, nigris cnlamolla obscu- 

 ra; sporis miriutis spluoroideis, brunneis vel caMMiIoo-brunneis, sub- 

 angulosis, verrncosis, .'> y.. diam. 



Hab. in fimo oquino, Paris (Tallia?. — Species minima, Uh. 

 microsporo affinis sed minor. 



0. Rhizopus Cohnii 15erl. et Do Ton., Mucor rhizopodi/ormis Cohn 723 

 in Schroet. Ivry[)t. Flor. Schles. Pilze p. 207. — iNIycelio primo 

 candido, dein griseolo. in substrato repente; liyphis mycelii brun- 

 neis, stoloniforniibus, arcuatis, rhizoidibus, brevibus, ramosis, brun- 

 neis instructis; hyphis sporangiferis unicellularibus vel o. itlurimis 

 crespitosis, rhizoidibus oriundis, brunneis, 120-125 y.. longis, Iiaud 

 i'amosis; sporangiis globosis, circ. 60 y.. diam., maturitate nigris, 

 tunica lovi, opaca ; columella ovata vel piriformi, 50-75 y.. lata; 

 sporis globosis, levibus, 5-6 '/. diam., subhyalinis. 



Hab. in pano udo. i'ern ITeIveti:e (Lichthi^im), Pireslan Oorma- 

 iiia3 (Cohn). 



7. Rhizopus elegans (Fidam) Perl. et I)e Ton., Mncor elegans hjdam 7?.i 

 XIll. Wand. der I>ot. soct. aor Schles. fiir vaterland. Cult. 188;;, 

 Schroeter Krypt. Flor. Schles. Pilze p. 207. — Hyphis sporangi- 

 feris 1-2 mm. altis, ca?spitulosis, basi e mycelio intricato exsur- 

 gentibus ; sporangiis terminalibus globosis, brunneis, 50-70 y.. diam., 

 tunica eleganter denseque spinosa, hyalina; columella glohosa, 

 brunneola; sporangiis lateralibus minoribus, 33 y.. diam., globulo- 



