342 Myxomycetete, Physiiraceac, Physarum. 



Mon. p. 103, Cooke Myx. Gr. Brit. pag.^ 13, Schroet. Krypt. Fl. 

 Schles. p. 128, Didymiwn neciricvforme B. et C. Grev. p. 35:'. 

 Bidymium croceo-flavum B. et Br. Ceyl. n. 757, Didymium in 

 ieriiium B. et B. iti Grevillea 1873, n. 352, Physarum i.hejoieuin 

 Fr. Gast. pag. 21, 1818, Physarum anceps Fuck. Sym. Myc, 

 p. 313, 1869, Pliysarum Ditmari Rost. Mon. App. p. 8. — Spn- 

 rangiis plerumque aggregatis, sessilibus, sphseroideis vel ovoiden- 

 spha^roideis, flavis vel virescentibus, circiter 0,3 mm. latis; capil- 

 iitio evanescente, granulis calcareis, numerosis, irregularibus, mi- 

 nutis prsedito ; columella nuUa ; sporis sphseroideis, levibus, fusco- 

 seu violaceo-atris, 7-9 u. diam. 



Hah. in foliis et lignis in Fennia, Britannia, Germania, Italia, 

 Suecia et Ceylon. — Var. lateritium B. et Br. : peridio globoso, v. 

 subreticulato, ex hypothallo membranaceo, repente orto, iateritio, 

 granulato, floccis albis; sporis atris. In foliis emortuis in Carolina 

 inferiori (Ravenel). — Var. croceo-flavum B. et Br. : gregarium 

 sessile, extus flavum, farinaceum, intus croceum; floccis flavis; spo- 

 ris fulvis, 10 u. diam. In foliis putridis in insula Ceylon. 

 18. Physarum conglomeratum (Fr.) Rost. Mon. 109, Syn. Diderma 

 ochraceum Hoff^m. Flor. Germ. III, t. IX, f. 2, b. Spumaria gra- 

 nulaia Schura. Saell. II, p. 190, Didymium contextum (-j. con- 

 (jlomeraium Fr. Sy mb. Gast. pag. 20, Diderma conglomeraium 

 Fr. Syst. myc. III, p. 111, Did. granulatum Fr. 1. c. p. 110, Did. 

 minuium Fr. 1. c. p. 111, Leocarpus minutus Fr. Summ. Veg. 

 Scand. p. 450, L. granulatus Fr. 1. c. p. 451, Carcerina con- 

 glomeraia Fr. 1. c. p. 451. — Sporangiis discretis, conglomeratis, 

 sessilibus rotundatis, angulatis, applanatis, membrana exteriori cras- 

 siuscula, granulosa, calcarea, fragili, flava vel ochracea, interiori 

 tenelia, cinorea vel flavoscento, lat. 0,2-0,5 mm. ; capillifcio granu- 

 lis calcareis, numerosis, angulato-irregularibus, coioratis pra^dito; 

 columellacentraii cylindracea; sporis parce spinulosis, violaceo-atris, 

 8-9 fx. 



Hab. in foliis et muscis raro in Germania, Suecia, Fennia "t 



S. Francisco Californifc. 



l'\ Physarum contextum Pers. Syn. Fung. p. 168, Rost. Mon. p. 100, 



Cooke M.yx. Gr. Brit. p. 14, Schroet. Krypt. Fi. Schies. Pilze p. 130, 



Diderraa conicxtum Pers. Obs. I, p. 89, 1796, Ditm. t. 39, Cooke 



Ildbk. n. 1117, Didymium coniexium Fr. Gast. p. 20, 1818, Leo- 



carpns coniextus Fr. S. V. S. pag. 450, 1849, Chondrioderyna 



conie.rlum Rost. in Fuck. Sym. Myc. II, p. 74, 187;-), Didrrma 



itA. 



