414 APPENDIX 



Class II. Musci: Mosses. 

 Order 1. Sphagnales: Peat Mosses. Sphagnum. 

 Order 2. Bryales: Common Mosses. Polytrichum, Bryum. 

 Phylum 3. PTERIDOPH YTA : Ferns and their allies. (4500 



species.) 

 Class I. FILICINEAE: Common Ferns and Water Ferns. 



Aspidium, Marsilia. 



Class II. EQUISETINEAE : Horsetails. Equisetum. 

 Class III. LYCOPODINEAE : Lycopods. Selaginella. 

 Phylum 4. SPERMATOPH YTA : Seed Plants. Flowering Plants. 

 Subdivision 1. GYMNOSPERMAE: Cycads and Conifers. 



Pines. (600 species.) 

 Subdivision 2. ANGIOSPERMAE: The familiar 'flowering 



plants.' 



Class I. MONOCOTYLEDONEAE : Grasses, Palms, Lilies, Or- 

 chids. (25,000 species.) 



Class II. DICOTYLEDONEAE : Elms, Buttercups, Pitcher Plants, 

 Roses, Beans, Flax, Cacti, Daisies. (110,000 species.) 



B. ANIMALS 



Phylum 1. PROTOZOA. (10,000 species.) 



Class I. SARCODINA: Amoeba, the Foraminifera. 



Class II. MASTIGOPHORA: Flagellates. Euglena, Volvox, Try- 

 panosoma. 



Class III. SPOROZOA: Plasmodium malariae. 



Class IV. INFUSORIA: Paramecium, Vorticella. 

 Phylum 2. PORIFERA: Sponges. (2500 species.) 

 Phylum 3. COELENTERATA. (4500 species.) 



Class I. HYDROZOA: Hydra, Obelia, Gonionemus. 



Class II. SCYPHOZOA: Jellyfish. 



Class III. ANTHOZOA: Sea Anemones, Corals. 



Class IV. CTENOPHORA : Sea Combs. 

 Phylum 4. PLATYHELMINTHES: Flatworms. (5000 species.) 



Class I. TURBELLARIA: Planaria. 



Class II. TREMATODA: Liver Flukes. 



Class III. CESTODA : Tape Worms. 



