Myxomycetea), PliysaracecU, IMiysarum. 3-10 



ridiis hemisphairicis, umbilicatis, cinereo-albis, irregulariter dehi- 

 scGiitibus, stipitatis cum stipite usque ad 1 mm. altis, erectis aut 

 subnutautibus; stipitibus subulatis, fusco-nigris; sporangiis paullo 

 lofigioribus, rigidis; columella nulla; cnpillitio albo, abuiidante, rete 

 irregulare efformante; nodis nonnullis tantum calce repletis, poly- 

 morphis; sporis 9,5-10 mm. latis, violaceis, verruculosis. 

 llab. \\\ ramis in Polonia. 



40. Physarum inaequale Peck 31 Rep. I>ot. pag. 40. — Peridiis J-0'> 

 sessilibus, subglobosis vel irregularibus, s^ype elongatis et con- 

 tiuentibus, granulis minutis rubris copiose pr^ditis; capillitio lu- 

 tescenti-fulvo, granulis calcareis repleto ; sporis brunneis, levibus, 

 valde in.T3qualibus, 8-30 u.. diam. 



Ilab. \i\ ligno emortuo, Grissinis Anier. bor. 



41. Physarum pulchripes Peck 26 Rep. pag. 75. — Peridio globo- 1207 

 so, colore vario, ochraceo, griseo, brunneo vel nigro ; stipite gra- 

 cili, aBquali vel leniter conoideo, rubro; sporis globosis, brunneis, 



8 a. diara. 



Ilab. in lignis emortuis putridis, Richmondrille et Worcester 

 Americfe borealis. 



42. Physarum Phillipsl Balf. til. in Grev. X, p. 116. — Peridiis subses- 1208 

 silibus v. breviter stipitatis, 1 mm. et amplius altis; stipite nigro, 

 rigido, peridio valde minori prieditis, subreniformibus v. subpirifor- 

 mibus, subinde confluendo deformatis, lateraliter corapressis, urabi- 

 licatis, griseolis, rugosis, fragilibus, tunica siraplici decolorata, 

 dense granulis calcareis minutis, rotundis, hinc inde collectis farcta; 

 columeUa nuUa; capillitio hyalino, floccis delicatis, peridio adnatis, 



in rete contextis, angulis infiatis nodulosis granulis calcareis mi- 

 nutis, repletis ; sporis violaceis, membrana crassiuscula. 17 a. diam. 

 Hab. ad humum in calidariis Shrewsbury in Britannia. 



Species incertae. 



43. Physarum antiades (Ikill.) Fr. Syst. Myc. III, p. 135, Sphccro- 1201» 

 carpus antiades Bull. Champ. Fr. p. 127, tab. 368, Trichia an- 

 tiades D. C. F). Fr. 2, p. 252, Chev. Par. p. 325. — Peridiis glo- 

 bosis, fulvo-fuligineis, lineis sinuosis notatis punctatisque, stipitibus 

 ramosis sulcatis nigricantibus, floccis sporisque fuscis. 



Hab. ad ligna putrida Galliixi. — Species omuino sui tribus 

 typus; stipes crassus, diff^ormis, e pluribus confluentibus ramosus, 

 snlcis irregularibus lacunosus, hypothallo membranaceo, albido; 



