3-18 MyxomycetecO, PliysuracecU, Physarurn. ! 



regulariter ruptis; floccis copiosis, luteo-^lbidis ; sporis globosis, 

 purpureo-brunneis, 10 p.. diam. 



Hab. in foliis vivis Corni canadensis, Adirondack Ameri- 

 c£e borealis. 



34 Physarum affine Rost. Mon. p. 94, ? Trichia rugosa Trent. ? Tri- M\ 

 chia nivea Fl. Dan. tab. 776 fig. 4. — Peridiis e globoso depres- 

 sis subreniformibus, albis ; stipite niveo-albo, opaco, peridium sub- 

 aequante; capillitio valde evoluto, niveo-albo; sporis pallide brun- 

 neo-violaceis, episporio crasso, verrucoso, 10-12 a. diam. 

 Hab. in ligno [)utri in Germania et Poionia. 



35. Physarum albicans Peck 30 Rep. pag. 150, tab. II, fig. 5-8. — i? 

 Diclf/miu7n subroseuni Peck. — Peridiis albescentibus, fugacibus. 

 basi excepta, externe granulis calcareis pruinosis, globosis; capil- 

 litio albicante; stipite albo, conoideo subinde basi connato, leniter 

 penetrante; sporis globosis, purpureo-brunneis, 8 'j.. diam. 

 Hab. in lignis et muscis, Adirondack Amer. bor. 



30. Physarum atro-purpureum Peck 31 Rep. Bot. pag. 40. — Spar- i2i 

 sum vel gregarium stipitatumque ; peridiis globosis, levibus v. raro 

 rugosis, obscure rufis; stipite cylindraceo, levi, nigricante vel sub- 

 concolore; capillitio albicante, subinde roseolo ; columella nulla; 

 sporis globosis, levibus, in massa obscure brunneis, solitariis ob- 

 scure-rufis, 8-9 y., diam. 



Jlab. in ligno emortuo, .\dirondack in montuosis Amer. bor. 



37. Physarum chlorinum Cooke in Grev. V, p. 101, t. 86, f. 10. — Spar- i2( 

 sum vel gregarium; peridiis parvis, sessilibus subglobosis, chlori- 

 no-viridibus, simplicibus, stellato-fissssis; sporis subglobosis, atris, 

 opacis, 8-9 y.. diam. 



Hab. in ligno emortuo Cocos nuciferae, Demerara Amer. 

 australis. 



38. Physarum granulatum Balf. fil. in Grev. I, p. 115.— Stipitatum, I 

 mm. album ex liypothallo brunneo-nigrescente oriens; stipite basi 

 dilatato, cinnamomeo v. obscure brunneo v. sordide griseo, striato, 

 peridium longitudine ncquante; peridio globoso, griseo, granulis 

 crassis tecto. membrana simplici, sordide alba, granulis calcareis, 

 minutis, rotundis in maculis irregularibus dispositis praedita; co- 

 lumella nulla; capillitio decolorato, ex filamentis delicatis reticula- 

 tim intertextis, nodulis calcariferis prajditis formato; sporis viola- 

 laceis, mombrana levi, 9-10 a. diam. 



Hab. in corticibus, absque patria (herb. CuRRiiY). 



39. Physarum imitans Racib. Myx. Crac, p. 5, fig. :> a, b. — Pe- i?- 



