210 GENERAL MORPHOLOGY OF PLANTS 



SUBKINGDOM II. Bryophyta. 



THE LIVERWORTS. 



Class XII. Hepaticae. 



THE HORNED LIVERWORTSo 



Class XIII. Anthocerotes. 



THE MOSSES. 



Class XIV. Muscineae. 

 SUBKINGDOM III. Pteridophyta. 



THE FERNS. 



Class XV. Filicineae. 



THE HORSETAILS. 



Class XVI. Equisetineas. 



THE CLUB MOSSES. 



Class XVII. Lycopodineae. 



THE QUILLWORTS. 



Class XVIII. Isoetineae. 

 SUBKINGDOM IV. Spermatophyta. 



THE NAKED SEED PLANTS. 



Class XIX. Gymnospermae. 



THE ENCLOSED SEED PLANTS, 



Class XX. Angiospermae. 



