Marks , employed for classifying the Schizomycetes. 1 1 9 
which brings into the foreground De Bary’s suggestion that 
the distinction between endosporous and arthrosporous forms 
is a real one, and should be insisted upon : Hueppe, however, 
does not make the distinction so fundamental as De Bary 
proposed, but employs it as a subsidiary character, as Table V 
will show. 
TABLE V. — Hueppe , 1886, and modified later. 
I. Vegetative stage Coccoid. 
A. Cocci seriate in single chains. 
(a) In zoogloea-masses of medium size. 
(i) With endospores. 
Endo-streptococcus. 
(ii) Without endospores. 
A rthro-streptococcus. 
( 0 ) In pronounced zoogloea-masses. 
Leuconostoc . 
B. Cocci in fours, or in short chains. 
Devoid of endospores (?), arthrospores only (?). 
Merista. 
C. Cocci in fours or eights, but not in chains. Endospores or not. 
Sarcina. 
D. Cocci in irregular masses of various kinds. 
(a) No definite arrangement. 
Micrococcus. 
($) Grouped like bunches of grapes. 
Staphylococcus. 
(y) In rounded zoogloea-masses. 
Ascococcus. 
II. Vegetative stage rod-like. 
A. Forming filaments or single cells, flexile or rigid, more or less 
segmented or not, and with no distinction into base and apex, 
(a) Filaments straight or undulate, arthrosporous. No 
endospores. 
Bacterium. 
( 3 ) Filaments straight or undulate or spiral. Arthrosporous 
only. 
Spirulina (Proteus). 
