Myxomycetpe, Myxomycetacese, Physanim. 795 



nulis calcareis conspicuis inspersis; stipite pallide brunneo v. suc- 

 cineo, opaco nec non floccorum nodis minoribus; sporis sublevi- 

 . bus, lilacinis v. violaceis, 7,5-10 [i. diam. 



Hdb. ad ligna emortua in America boreali. 



7. Physarum penetrale Rex, in Proc Philad. Acad. (1891) p. 389, 6002 

 List. Mycetoz. p. 49, t. XIV A, Torr. Myxom. p. 201, t. IX, f. 11. 



— Plasmodio?; peridiis sparsis v. gregariis, rectis, ellipsoideis v. 

 piriformibus, 0,5-07 mm. alt.. 0,3-05 mm. lat., raro globulosis, 

 griseis v. pallide flavo-viridulis; tunica mombranacea, semidiaphana, 

 granulis calceis pallide flavis v. griseolis inspersa, usque ad basim 

 in segmenta 2-4 fatiscente; stipite variabili, tenui, subulato dia- 

 phano, atro-rubro v. rubro-aurato, in columellam flavo-rubentem, 

 acuminatam, \/^ peridii attingentem producto; capillitio copioso 

 persistente, nodulis subrotundis flavis ssBpius calcareis insperso; 

 gleba brunnea; sporis sublevibus, violaceo-brunneolis, 5-7 [j.. diam. 

 Ildb. ad ligna emortua, Muscos, Pinorum folia etc. in A- 

 merica bor., Britannia, Germania, Lusitania. 



8. Physarum citrinellum Peck, Rep. St. Mus. New Y. XXII (1879) 6003 

 p. 89, Craterium citrinellum (Peck) Lister, Mycetozoa p. 74, t. 28, 



f. B, Physarum ccespifosum Schw. Syn. N. Am. Fungi pag. 258 

 (verisimiliter) — Syll. VIT, p. 350 — Torr. Myxom. p. 192. — 

 Plasmodio?; peridiis totis 1-1,5 mm. alt., subglobosis, gregariis v. 

 sparsis, flavo-citrinis v. ochraceis, basi aurantio-tinctis; tunica du- 

 plici, exteriore cartilaginea, flava ex granulis calcareis copiosis 

 rugulosa, ab interiore facile secedente ; stipite cylindrico, 0,3-0,4 

 mm. long. valido, plicato, rubro-aurantio v. fuligineo, diaphano; 

 capillitii floccis hyalinis, ramosis, nodulis latis calcareis albis pr;i?- 

 ditis, glebanigra; sporis brunneo-purpureis fortiter echinulatis, 10- 

 12 [X. diam. 



Hab. ad ligna emortua et ad Muscos in Amer. bor. et in Ja- 

 ponia. 



9. Physarum carneum G-. Lister, Journ. of Bot. 48 (1910) p. 73. — 6004 

 Peridiis sparsis, stipitatis, subglobosis, 0,4-0,6 mra. diam., ochra- 

 ceis, levibus v. rugulosis; pariete membranaceo, pallide flavo. cu- 

 mulis calcareis granuliformibus, ad basim crassioribus consperso; 

 stipite rubro-carneo, diaphano, striato, calce carente, 0,2-0,3 mm. 

 alto; columella minuta, conica aut nulla; capillitio dense reticula- 

 to-floccoso, floccis anguloso-ramosis hyalinis, calcareo-nodosis, ra- 



mis brevibus hyalinis connectentibus ; sporis globosis, purpureo- 

 brunneis, spinulosis, 8 jx. diam. 



