TWO REMARKABLE ASCOMYCETES. 



431 



described genus of Discomj-cetes, and its general position among 

 known genera is not clear. Despite its abundant paraphyses, it might 

 be mechanically disposed of under Schroeter's Protodiscineae, which 

 already contain two mutually quite unrelated types, the Ascocorticia- 

 ceae and tlie Exoascaceae, to neither of which is the present form 

 even remotely related. It resembles both, however, in the possession 



V Ti„n.'', ?,'^ 



Figure 2. Medeolaria Farlowi Thaxter. A, Part of a section of host 

 hypertrophied by the fungus, showing host parenchyma, remains of epidermis, 

 subh\Tnenium and hymenium with paraphyses and asci. B, Group of para- 

 physes enlarged. C,"Two asci, the striation of spores e.xaggerated. D, Four 

 spores, seen in different positions. 



of an indefinitely continuous hymenium, so indeterminate that it is 

 not even delimited by a ruptured epidermis. I ha\-e therefore felt 

 compelled to use a new generic name for its reception, based on that 

 of the host, and have dedicated the single species to Dr. Farlow who 

 was the first to observe it. 



