Phycomycetae, Mucoracese, Circinella. 821 



rangiis globosis, maturis cyaneo-griseis 60-80 [x. diam., membrana 

 non diffluenti cyaneo-nigra, incrustata; columella plerumque glo- 

 bosa, raro subovoidea, 30-45 ;x. diam., contentu liyalino, tunica levi; 

 sporis ovoideis v. late ellipsoideis, 4-6 5# 2,5-4; clilamydosporis ovoi- 

 deis V. subglobosis 12-14 [x. diam. v. raro usque ad 22 \).. long. ; 

 zygosporis ignotis, 



Hab. ad terram humosam prope Cliristiania ScandinavicG et pr. 

 Geneve Helveti;i3. — Muc. circinelloidi affinis. 



23. Mucor dispersus Hagem, Ann. Mycol. VIII (1910) p. 272, f. 4-6. 3148 

 — Ccespitulis laxis v. subnullis; sporangiophoris majoribus 2-3 cm. 

 altis et vix 6-9 [x. cr., racemose monopodialiter ramosis, ramis 

 reclinatis sporangio terminatis, minoribus 1-2 mm. altis, simplici- 

 bus, apice relinatis, sporangio minori terminatis ; sporangiis termi- 

 nalibus majorum 50 [x. diam., tunica fragili et columella 17-19 ^ 

 18-21 prseditis; sporangiis lateralibus et minorum 15-45 [x. diam., 

 tunica persistente et spinulosa praeditis, subinde tantum 2-4-spo- 

 ris; sporis subrotundis v. oblongis, 11-13 [jl. diam., interdum sub- 

 angulosis; zygosporis ignotis. 



Hab. ad terram supra saxa syenitica pr. Tonsberg Norvegiae, 

 semel. 



24. Mucor repens fBain.) Sacc. et Trott. Ita vocanda Glomerula re-. 3149 

 pens Bain. — Syll. XVII, p. 510 — seu Mucor Glomerula Lendn. 

 Muc. Suisse (1908) p. 69. 



Hujus generis species dubiae, quarum icones citantur in Syll. XIX, 

 p. 123-133 et 1274 sunt: Mucor arcuatus Martius — M. (Chio- 

 nyphe) Carteri Berk. — M. chlorosporus (Bon.) Fiseh. — M. cu- 

 pressiformis Scop. (an Stemonites?) — M. flocculentus Balbis (an 

 Physarum?) — M. fragills (Tode) — M. limblflorus (Tode) — M. 

 Stilbum (Tode) — M. syphiliticus Hallier — M. oogenes Spring — 

 M. trigeminus (Spring.) Sacc et Trav. 



CIRCINELLA Van Tiegh. - Syll. VII p. 215, XVII p. 501. 



1. Circlnella mucoroides Saito, Centralbl. f. Bakter. II Abt. XVII Bd. 3150 

 (1906) p. 159. — Cjcspitulis laxis, atro-griseis, 4 cm. alt. ; sporan- 

 giophoris rectiusculis, stipatis, nunc apice sterilibus, nun sporangio 

 terminatis, continuis; ramulis alternis lateralious biseriatis, brevibus 

 sporangio terminatis, septatis ramuloque spiniformi simplici ascen- 

 dente auctis; sporangiis minutis, globosis, 60-68 [x. diam. nutanti- 

 bus, brunneolis, .minute aculeolatis, membrana non fragili, scd ad 

 medium secedonte ct partem inferiorem (collarium) relinquente, 



