CLASSIFICATION OF PLANTS 407 



, x fZygomycetes (incl. Mucor). 



(a) Phy corny cetes {^ Jb ,. v , . ' 



lOomycetes (mcl. Pythium). 



(b) Basidiomy cetes. 



(1) Uredineae (Rust Fungi). 



(2) Hemibasidii (Smuts and Bunt). 



fHymenomycetes (Toadstools 

 an d Mushrooms). 



/ \ T7 u -J-- . 



(3) Eubasidu Gasteromycetes (puffbal]s _ 



I Stinkhorns, etc.). 



rDiscomycetes (incl. Peziza, etc.). 



(c) Ascomycetes | Pyrenomycetes (incl. Claviceps , 



[ Erysiphaceae, etc.). 



(d) Lichenes. 

 2. Archegoniatae. 



A. Bryophyta. 



(a) Hepaticae (Liverworts). 



(1) Marchantiales (incl. Riccia, Marchantia, 



etc.). 



(2) Jungermanniales (incl. Cephalozia, Pellia, 



etc.). 



(3) Anthocerotales. 



(b) Musci (Mosses). 



(1) Sphagnales (Bog-mosses). 



(2) Andraeales. 



(3) Bryales (incl. most of the Mosses). 



B. Pteridophyta. 



Filicales (Ferns). 



Psilophytales (only living genera Psilotum and 



Tmesipteris). 

 Sphenophyllales (Fossil). 

 Equisetales (Horsetail "Ferns" and Fossil 



Calamites). 

 Lycopodiales [incl. Lycopodium, Selaginella, Lepido- 



dendron (Fossil), and Isoetes}. 

 Cycadofilices and Pteridospermae. 



