Feb., 1913.] The Classification of Plants, VIII. 73 



very great difference in the type of alternation of generations 

 point to the conclusion that the evident similarities between the 

 two groups are rather to be regarded as analogous developments. 

 Unless the case can be made much more evident than at present, 

 even the more or less superficial similarity between the structures 

 of the ascocarp and cystocarp cannot be urged as very strong 

 evidence in favor of a direct origin from the Rhodophyta. 



Whether all the fungi containing an ascus should be placed 

 in a single class and whether the Teliosporeae should be retained 

 in a class distinct from the Basidiomycetae are questions which 

 depend on one's definition or conception of a class. It is very 

 desirable to have a system that is fairly consistent for the entire 

 plant kingdom, if botany is to be a science and not simply a group 

 of disjointed subjects. 



FUNGI. 



I. ScHizoPHYTA. Fission Plants. 



1. Schizomycetae. Fission Fungi. 



a. Bacteriales. Bacteria. 



b. Desmobacteriales. Filamentous Bacteria. 



c. Rhodobacteriales. Purple Bacteria. 



2. Myxoschizomycetae. Slime Bacteria, 



a. Alyxobacteriales. 



II. Myxophyta. Slime Molds. 



1. Plasmodiophoreae (?) [Parasites.] 



a. Plasmodiophorales. 



2. Myxomycetae [Saprophytes.] 



(1.) Acrasieae. 



a. Acrasiales. 

 (2 . ) Myxogastreae . 



a. Ceratiomyxales. 



b. Myxogastrales. 



IV. GoNiDioPHYTA. Zoosporc Plants. 



1. Archemycetae. Primitive Fungi. 



a. Chytridiales. 



2. Monoblepharideae. [With normal gametes.] 



a. Monoblepharidales. 

 VIII. Mycophyta. Typical Fungi. 



A. Phycomycetae. Algal Fungi. 



1. Zygomycetae. 



a. Mucorales. Black Molds. 



b. Entomophthorales. Insect-cholera Fungi. 



2. Oomycetae. 



a. Ancylistales. 



b. Saprolegniales. Water Molds. 



c. Peronosporales. Common Mildews. 



B. Mycomycetae. Higher Fungi. 



3. Ascomycetae. Sack Fungi. 



(1.) Hemiasceae. Intermediate Sack Fungi. 



a. Ascoideales. 

 (2.) Aspergilleae. Tuber Fungi. 



a. Aspcrgillales. Little Tuber Fungi. 



b. Tuberales. Truffles. 



