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Spinelhis fusiger (Link) Van Tieghem 

 Found on various species of Mycena. 



Spinelhis macrocarpiis (Corda) Karsten 



This species is also found on species of Mycena. Attempts to 

 cultivate this and the former species were unsuccessful. 



Spoi'odinia grandis Link 



This is a ubiquitous mould growing on decaying fungi. It has 

 been found on various species of mushrooms. 



Rhizopus nigricans Ehrenberg 



This is the most common species of the moulds. It grows on 

 all kinds of decaying vegetable matter. It can easily be culti- 

 vated and assumes very interesting forms. Occasionally several 

 sporangia appear on one sporangiophore. Peculiar thickenings 

 occur frequently in the sporangiophores. The spores germinate 

 in water. 



Thamnidinm elegans Link 



The habitat of this species is on the manure of the tiger and 

 of the horse. It has been cultivated on orange, on bread, on 

 carrot, in Pasteur's solution with gelatine. 



The manure of the tiger was obtained from the Pittsburgh Zoo. 



Circinella timbellata Van Tieghem et Le Monnier 



Grows on the manure of the tiger and of the horse, usually in 

 company with Thamnidium elegans. Cultivated on orange, on 

 bread, and in Pasteur's solution with gelatine. 



Chaeiostylum fresenii Van Tieghem et Le Monnier 



This species was found growing among other moulds on an 

 old decaying Polyporus. 



Pilobolus crystallimis (Wiggers) Tode 

 Rather abundant on horse manure. 



Chaetocladiaceae 

 Chaetocladiiun brefeldii Van Tieghem et Le Monnier 



Grows parasitically on other mucors on horse manure. It was 

 also found on Phyconiyces nitens growing on flaxseed meal. 



