352 Myxomyceioaj, Physaraccic, FhysurcUa. 



et ut sponb copiosissimse, rotuiula?, laxsi^ opaca atra, irregulari- 



ter doliiscenstia, 

 56. Physarum piceum Fr. Syst. Myc. III, p. U3, — Sparsuui; pori- 



dio sessili, globoso, piceo aitente, iloccis tenerriniis sporisque fu- 



ligineo-atris. 



Ilab. in raniis decorticatis coacervatis quercinis in Suecia. — 



Peridia admodum tenuia, membranacea, glaberrima, sed rugulosa, 



irregulariter dehiscentia, seminis Brassicae niagnitudine; flocci ad- 



modum tenues, regre conspiciendi, 

 57 Physarum polycephalum Schw, Consp. Car, n. 382. — Stipitibus : 



coalitis, lutescentibus; peridiis in capitulum aggregatis, oblongis; 



corticis squamuiis suiphureo-viridibus; pulvere nigro, 



Hab. ad truncos, folia, stipites, gramina etc, Wilkes Am. bor. 



58, Physarum polyedron Schw. Am. Fung. n. 2300, — Gregarium i 

 ac subsparsum; peridiis majusculis, nigro-fuligineis, absque splen- 

 dore, subhemisphairicis, exacte pentagonis lateribus nempe planis, 

 rugosis, tandem quasi stellatim ruptis parte ialeriori persistenti- 

 bus; sporis nigro-fuligineis ; flo3cis compactis concoloribus inter- 

 spersis. 



Hab. in antiquissimis truncis Juglandis, liethlehem Am, bor, , 



59, Physarum Schweinitzii Berk, in Grevillea 1873, n. 358, p. 06, il 

 Rost. Mon. pag. 116, Polyangium 'oitellinum Schwein. — Grr 

 garium, nitidum, flavum; floccis parcis sporisque globosis granu- 

 latis, concoloribus, 15 y.. diam., sa^pe irregularibus. 



Hab. in fragmentis vegetabilium, Bethlehem Amer. bor. 



60, Physarum subglobosum B. et C. in Grevillea 1873, p. (dQ>, n. 357, i 

 llost. Mon. p. 115. — Peridiis sessilibus, subglobosis, subinde de- 

 pressis, cinnamomeis; floccis e basi assurgentibus fulvis. 



Hab. in ligno putri Alabama Amer. bor. . 



PHYSARELLA Peck in Rev. Mycol. 1882, pag. 172 (Etym. Physa- 

 rum, cui affine). — Peridia stipitata, cyathoidea, granulis calcareis 

 prfBdita, post sporarum exitum basim atque pseudo-columellam 

 cavam servantia. Capillitium e hlamentis pallidis contextum et 

 stratis quatuor tuborum spiniformium, horizontaliter radiantium suf- 

 fultum. Tubuli granulis calcareis tecti. Spora? globosa^, leves, brun- 

 neo-nigra\ 



1. Physarella mirabilis Peck m Rov. Mycol. 1882, p. 172, tab. XXIX, i 

 fig. 5. — Peridiis stipitatis, sursum subinfundibiliformibus, minu- 

 te librillosis vel sqnamniosis, luten-rufulis vol sorilido Iutei>; l'asi 



