II. FLOWEKLESS PLANTS. 

 A. VASCULAR. 



A. Spores of two kinds, or heterosporous. 



1. Fruit on special stems; Salviniacese, Marsiliaceae. 

 2. Fruit on the leaves ; Isoetaceae, Selaginellaceae. 

 B. Spores of one kind, or isosporous. 



1. Fruit on special scales; Equisetaceae, Lycopodiaceae. 

 2. Fruit on the leaves; Filices. 

 B. CELLULAR. 

 A. Acrogens. 



1. Muscineae; Musci, Hepaticae. 

 B. Thallogens. 

 1 . Carposporous. 



a. Algous, or with chlorophyll; Rhodophyceae. 



b. Mixed; Lichens. 



c. Fungous, or without chlorophyll. 



n. Hymenomycetes, as Agaricini, Polyporei. 

 b. Gasteromycetes, as Lycoperdacei. 

 c. Tremellini. 

 d. ^Ecidiomycetes. 

 e. Ascomycetes. 

 2. Oosporous. 



a. Algous, as Fucaceae. 

 b. Fungous, as Peronosporeae. 

 3. Zygosporous. 

 a. Algous. 



a. With zoospores, as Ulotrichaceac. 

 b. Conjugates, as Zygnemaceae. 

 b. Fungous. 



a. Myxomycetes. 

 b. Zygomycetes. 

 4. Protophytes. 

 a. Algous. 



. Chlorophyllophyceas. 

 b. Cyanophyceae. 

 b. Fungous. 



a. Saccharomycetes. 

 b. Schizomycetes. 



