Phylum：Myxomycota　>>　Class： Myxomycetes　>>　 Order： Trichiales 
   
 
　BCRC Number： NO BCRC Number!  
   
　Scientific Name： Arcyria obvelata
 
   
   
　Author：

Embolus obvelatus Oeder, Fl. Dan. f. 9. t. 536. 1770.

Arcyria obvelata (Oeder) Onsberg, Mycologia 70: 1286. 1978.

=Arcyria nutans (Bull.) Grev., Fl. Edin. 455. 1824.
   
 
 
 
 
　Description： Fructification sporangiate, gregarious or tightly clustered in large developments. Sporangia shortly stipitate to nearly sessile, cylindrical, pale ochraceous, drooping, to about 1mm wide and 7 mm long when expanded. Peridium early fugacious cxcept for a basal cup, the calyculus. Calyculus ochraceous, shallow, shining. Stalk yellowish brown, up to 1 mm long. Hypothallus membranous, common to a cluster. Capillitium highly elastic, ochraceous, easily separated from the calyculus when fully expanded, capillitial thread 4.8-6.2 μm in diameter, marked by prominent spines, cogs, and half rings. Spores pale ochraceous in mass, colorless by transmitted light, smooth with scattered warts, 7.5-8.5 (-9.7) μm in diameter.
 
 
 
 
 
　Specimens：

Pingtung County: Nanjenshan forest, 5 Sept 1995, Y.F. Chen 23; Wan-li-tê Mt., 9 July 1996, Y.F. Chen 267; 4 Sept 1996, Y.F. Chen 307.
 
 
 
　Habitat： On decaying wood or dead wood.
 
 
 
　Distribution：

Cosmopolitan.
 
 
 
　References：

Nannenga-Bremekamp, NE. 1991; Hattori, H. 1935.
   
   
   
　Provided：

C. H. Liu
 
 
　Note： The long, pale ochraceous and shortly stipitate sporangia which are drooping at maturity are distinct characters separating this species from other species of Arcyria.