38 



VEGETABLE HISTOLOGY. 



aceti, and the bacteria cause the oxidation of dilute alcohol to 

 acetic acid (vinegar). 



In order to show the position of the plants already studied, 

 as well as those to follow, in |he system of classification of 

 plants, a table of the Thallophyta, with the subdivisions, is here 

 appended. 



THALLOPHYTE SERIES. 



4. Fungi. 



5. Lichenes. 



3. Phycomycetes. 2. 

 3. 



1. Zygomycetes (Mucor mould). 



4. Ascomycetes. 



1. 



2. Erysiphese (Penicilliuin mould), 



3. 



4. Pyrenomycetes (Ergot of rye). 



5. 



(>. Saccharomycetes (Yeast). 



6. Basidiomycetes. - 



3. Hymenemycetes. 



1. 

 2. 



3. 

 4. 



5. Agaricinese 

 (Mushrooms), 



The table is incomplete, only those sub-divisions being given 

 with which the plants studied in these lessons are concerned. 



