MISCELLANEOUS FUNGI IMPERFECTI 



855 



Mycelium of thick brown hyphae and hyaline slender hyphae, with inter- 

 calary hypnospores, forming chains of vaiying lengths. Conidiophores simple 

 or sparingly branched, erect, light brown, short, denticulate, with a black, 

 small head, acrogenous or nearly so ; conidia rarely single, usually 2-20 in a 

 head, 1-4-celled, usually 3-celled, pyriform, ellipsoid, ovoid, at first subclavate, 

 subhyaline 1-celled, then septate, brown, with the middle cells darker and the 

 end cells smaller and much lighter, base acute truncate, 16-30 x 6-ll)U,, mostly 

 22-26 X 8-9/x (Fig. 142). 



On Sabouraud agar, colonies velvety, gray to black, compact, pigment 

 diffusing into the agar. 



Acrothecium obovatum Cooke & Ellis var. subcapitulatum Ashford & 

 Ciferri, Mycologia 22: 180-185, 2 figs.. 1930. 



Saprophyte on human skin. 



Fig. 142. — Acrotliecium nigrum. 1, sprout mycelium ; Z, Conidiiferous mycelium ; 5, 5, abnormal 

 conidia spores; i, normal conidia. (After Ciferri 1929.) 



SPONDYLOCLADIUM 



Spondylocladium Martins, Flor. Cryptog. Erlang. 355, 1817. 



The type species is Spondylocladnim fumosum Martius. 



Sterile hyphae repent, septate ; conidiophores erect, unbranched, stiff and 

 dark colored ; conidia verticillate, several septate, brown. 



Spondylocladium atro-olivaceum Neves, Mem. Inst. Oswaldo Cruz 25: 323- 

 331. Pis. 85, 86, 1931. 



Isolated from small furunculoid abscesses in the middle portion of the 

 naso-genal region, following an automobile accident. An intense inflamma- 

 tory reaction and induration, suggesting sporotrichosis, Brazil. 



Conidiophores 34-55;u,, dark chestnut in color, septate, rigid, erect ; conidia 

 clavate fusiform, ovoid or subovoid, either constricted or not in the middle, 



