340 ON THE CLASSIFICATION OF THE VEGETABLE KINGDOM. 
The specimens at my disposal had most of the flowers a good deal 
eaten by insects, and their examination was in consequence rather 
troublesome. The Rev. J.C. Nevin was so kind as to dissect patiently 
a considerable number under the microscope, and to make excellent ° 
ytical drawings for me of the various organs. 
ON THE CLASSIFICATION OF THE VEGETABLE 
KINGDOM. 
By W. R. McNas, M.D. 
[Read at the Meeting of the British Association, August 21st, 1877.] 
y Mr. Dyer in his portion of the article ‘“ Biology,” in the new 
edition of the “ Encyclopedia Britannica.” In the flowering p 
the group of the Apetale is abolished, as suggested by Luerssen, and 
the families distributed among the Polypetalous Orders. 
Svs-xivepom I. Tuattopnyta. 
Class 1. Scuizopnyva or Proropryra. 
Order 1. Cyanophycee or Phycochromacee. 
Families. Chroococcacerm, N. ostocacee, Oscillatoriacee, Rivula- 
riacee, Seytonemacee. 
Order 2. Chlorophyllophycea. 
Families. Palmellacee, Euglenacex. 
er 3. Schizomycetes. 
i cteria 
Family. Ba 
Order 4. Saccharomycetes 
F; 4 
Class2. Zye 
Order 5. Zoosporee. 
Families, Pandorinee, Hydrodictye, Confervacer, Ulvacer. 
Order 6, Myxomycetes. 
Order 7. Conjugate 
‘ * Ug * 5 
Families. Zygnemacee, Mesocarper, Desmidiacee,  Diato- 
maces 
Order 8. 
3. AZagomycetes, 
Families. Mucorines, Piptocephalide, Chetocladines, 
3. ; 
Order 9. Cenobiea. 
Family. Volvocin ‘ 
Order 10. Spheroplea, 
