MYXOMYCET.E Wallr. 



Syll. VII, p. 322, X, p. 83, XI, p. 462. 



Favi. /. MyxoinycetaceaB Wallr. 

 Sect. 1. Aioaerosporif . 



PHYSARUM Pers. — Syll. VII, p. 336, X, p. 84, XI, p. 462. 



1. Physarum GuHdlfn» Penz. Myxon.'. Buitenz. Leid. 1898, p, 34. — ^m 

 Peridiis sessilibus confertis, globosis, 2-3 sa^pe coufluentibus, 0,5- 



0,6 mm. diam., nifo-brunneis, rugulosis; parlete duplici, externo 

 granulis caloareis brunneoli^; et passim concretionibus calceis sphm- 

 ricis prffidito, interno tenui, ievi; capillitii filamentis sparsis, hiya- 

 linis nodisque calcareis crassis, infequaliter ramosis; columella nul- 

 Ja; sporis globosis, 10-12 (jl. diam., episporio fragili, minute pun- 

 ctato, atro-brunneo-purpureis. 



Hah. in inflorescentia vetusta Elettariae iu horto bot. Bui- 

 tenzorg JavtP. 



2. Physarum tucumanense Speg. Rev. Agr. y Veter. La Plata 1896, 3100 

 p. 237. — Peridiis exacte spha^ricis mmutis, 300-500 fx. diam., in- 

 ferne non umbilicatis, ruguiosis, ochraceis, tunica duplici, externa 

 calcarea, interna tenui anhista, irregulariter dehiscente, gleba atra, 

 pedicello longiusculo rigiduio persistente couoideo-elongato, 1-1 '/, 

 mm. long., 150-350 p. diam., levi glabro, deorsum subexpanso 

 candido, sursum attenuato plus minusve ochroleuco suffultis; ca- 

 piilitio valde flexuoso hj^alino tenui, parce ramoso, ad angulos in- 

 crassato; sporis globosis, 9-10 a. diam., levibus, tenuiter tunicatis, 

 fusco-subvinosis ; granulis calcareis, numerosissimiy globuJosis mi- 

 iiutissimis; columella non visa. 



Hah. in foliis et culmis putrescontibu? Sacchari officina- 

 ruui et in saccharificio prov. Tucuman, Argentiiia. 



3. Physarum mucoroides Schilb. Bot. Centralbl. LXVI, 1896, p. 84, ^i^, 

 tab. I. — Peridiis globosis, supra applauatis, nigris, pediceilatis, 

 tunica tenuissima, hyaimo-brunnea granulis caJcareis minutis in- 

 sequaiibas ir!Struct.a: stipite peridiorum diametrum itquaute recto 



V. plus minusve curvato, in longitudine irregulariter striato, deor- 



