88 British Fimzi^ 



<i> 



Miicor caninus, Pers. Obs. myc. i. p. 96j t. 6j f. 3j 

 Cke. Hdbk. u. 1885, fig. 300. 



On dung of dogs and cats. Common. 



Mucor lateritius, Cke. and Mass. (figs. 70a-71). 



Mycelium aseptate, forming a continuous, dense, 

 dry, brigbt-brown felt, spreading over the substratum ; 

 sporangiopliores numerous, aseptate, erect, straight or 

 flexuous, once furcate or rarely simple, bright-brown ; 

 sporangia spherical, separated from the cavity of the 

 sporangiophore by a septum, slightly convex upwards, 

 wall brown, very thin, smooth, dehiscing by an 

 irregular transverse slit, the upper portion falling 

 away, the lower portion persistent and pendulous ; 

 40-45 yLt diameter; spores subglobose, pale brick- 

 red, smooth, 12x9-10 fjb] sexual conditions are un- 

 known. 



Mucor lateritius, Cooke and Massee, Grevillea, vol. 

 xvii. p. 3 (1888). 



On putrid potatoes. Rare. 



Sporangiferous byphse or" sporopHores 120-150 x 

 7-8 /I. The present species is not a good Mncor, 

 neither does it agree in all points with any described 

 genus, but until something is known of the sexual stage 

 it is not advisible to remove it from the genus under 

 which it was originally described. Some features 

 suggest an affinity with Sjjorodmia. 



Mucor stercoreus, Link. 



Sporangiferous hyphse erect, simple, yellowish; 

 sporangium globose, yellowish then black with shades 

 of yellow j columella oblong, constricted at the base ; 



