THAXTER. — MONOGRAPH OF THE LABOULBENIACEvE. 



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of the origin of the Aseomycetes as a whole, and the determination of the course of evolution in the entire 

 fungus series: matters which, in recent years, have been too copiously discussed in the rather feeble light 

 of small contributions to the available data. Although it is difficult to believe that the Laboulbeniales, 

 for example, and the Floridea?; that Monoblepharis insignis and Vaucheria intermedia Nordst; that 

 Araiospora and Dichotomoaiphon; that the Mycochytridineae, Rhodochytrium and C hlorochytrium have 

 none of them ever had mutual kin nearer than some primordial protoplasmic entity at the bottom of the 

 plant series and in the early ages of organic life; it is nevertheless foolish, on the basis of our present 

 knowledge, to attempt an arbitrary settlement of the complex phenomena of series among the fungi. 

 As to the Laboulbeniales, it may be said with safety that they resemble the Floridese in some respects 

 more closely than they do any other plants, while at the same time they are more surely Aseomycetes 

 than many forms included in this group, and the writer sees no sufficient reason why they should not be 

 placed in the Pyrenomycetes, as a group coordinate with the Perisporiales, Hypocreales etc. 



