KINDS OF PLANTS 481 



Division II — Bryophytes. Mosses and their allies. Archegonia but no 

 vascular system. 



A. Liverworts. 



B. Mosses. 



Division III — Pteridophytes. Ferns and their allies. Archegonia and 

 vascular system ; no seeds. (Examples. Club mosses, quillworts, 

 scouring rushes (or horsetails), adder's-tongue, maidenhair.) 



Division IV — Spermatophytes. Seed-bearing plants. 



A. Gymnosperms. Naked-seed plants. {Examples. Sago palm, ginkgo, 



yews, larches, pines, cypress, sequoia.) 



B. Angiosperms. Inclosed-seed plants. 



1. Monocotyledons. {Examples. Cat-tail, water plantain, grasses, 



grains and sedges, palms, Indian turnip, rushes, spiderwort, 

 lilies, bananas, orchids.) 



2. Dicotyledons. 



a. Archichlamydeae. Flowers having no corolla or one of distinct 



petals. [Exatnples. Catkin-bearing trees (willows, wal- 

 nuts, oaks, beeches), smartweed, pink family, buttercup 

 family, water lilies, rose family, bean family, parsley 

 family.) 



b. Sympetalffi. Flowers having corollas in which the petals are 



united. {Examples. Heath family, primrose family, 

 gentian family, mint family, morning-glory family, 

 plantain family, madders, honeysuckles, composites, — 

 daisy, aster, sunflower, goldenrod, etc.) 



