41 6 APPENDIX. 



Class III. Diatomeae. Diatoms. 



Class IV. Peridineae. Often ranked as animals. 



Class V. Conjugatae. Brook silks and desmids. 



Spirogyra. Zygnema. Mesocarpus. Desmids. 

 Class VI. Chlorophyceae. Green algae. 

 Order I. Protococcales. 



Pleurococcus. Volvox. 

 Order 2. Confervoidales. Confervoid algae. 

 Ulothrix. Cladophora. Utva. 

 Order 3. Siphonales. 



Vaucheria. Caulerpa. Acetabularia. 

 Class VII. Phaeophyceae. Brown algae. 

 Order I. Phceosporales. x 



Lessonia. 

 Order 2. Puca/es. 1 



Fucus. Sargassum. 

 Order 3. Dictyotales. 

 Class VIII. Rhodophyceae. Red algae. 



Orders numerous. Polysiphonia. 

 Class IX. Characeae. Stone worts. 

 Chara. Nitella. 

 Class X. Hyphomycetes. True fungi. 



A. Phycomycetes. Algoid fungi. 



Isogamous Series. 

 Sub-class II. Zygomycetes. 

 Orders numerous. 



Mucor. Rhizopus. Em- 

 pusa. 

 B. Mesomycetes. Intermediate fungi. 



Heterogamous Series. 

 Sub-class I. Oomycetes. 

 Orders numerous. Cys- 

 topus. 



Sporangiate Series. 

 Sub-class III. Hemiasci. 

 Yeast. 



Non-sporangiate Series. 

 Sub-class IV. Hemibasidii. 

 Brand fungi. Smuts. 



C. Mycomycetes. Higher fungi. 



Sporangiate Series. 

 Sub-class V. Ascomycetes. 

 Witch-broom fungus. Mil- 

 dews. Truffles. Penicil- 

 lium. Cup-fungi. Morels. 

 Class XI. Lichenes. Lichens. 



Physcia. Theloschistes. 



1 Various larger species known as tangles, kelp, rock-weed, bladder-wrack 



Non-sporangiate Series. 

 Sub-class VI. Basidiomy- 



cetes. 

 Rusts. Cap-fungi. Poly- 



porei. Puff-balls. 



