THE GREAT GROUPS OF PLANTS 249 



TABLE VI 



THE GREAT GROUPS OF THE KINGDOM OF PLANTS 



MAIN GROUPS OF NON-VASCULAR PLANTS 

 Plants without "flowers" CRYPTOGAMS (Nos. 1-5) 

 Plant body usually a t hall us; sexual organs usually one 



celled - Thallophytes i 



No archegonia 



Chlorophyll-bearing Atg(B ia 



Non-chlorophyll- bearing pwigi ib 



Plant body thalloid or leafy; sexual organs usually several 



celled - Bryophytes 2 



Archegonia 



Protonema rudimentary or wanting, 



sporophytes with elaters Liverworts 20, 



Protonema well defined, 



sporophytes without elaters . Mosses 2b 



1. Thallophytes 

 id. Alga 



Cyanophyceae (Blue-green) Phaeophycea? (Brown) 

 Chlorophyceae (Green) Rhodophycea; (Red) 



ib. Fungi 



Myxomycetes (Slime-molds) Basidiomycetes (Spores on stalks) 



Schizomycetes (Bacteria) Including the Basidiolichenes 



Phycomycetes (Molds) Fungi imperfecti (Life histories 



Ascomycetes (Spores in sacs) imperfectly known). 



Including most Lichens 



(Ascolichenes) 



2-6 b, Archegoniates; 2-6c, Embryophyla 



2. Bryophytes 

 20. Liverworts 



Ricciales Jungermanniales 



Marchantiales Anthocerotales 



zb. Mosses 



Spagnales (Peat mosses) Bryales (True mosses) 

 Andreaeales (Black mosses) 



MAIN GROUPS OF VASCULAR PLANTS 



Woody cylinder continuous, (i.e., without foliar gaps), 

 leaves small, sporangia above LYCOPSIDA 



