ate PHARMACEUTICAL BOTANY — 
1. Flagella and endospores absent—Bacterium. 
2. Flagella and endospores present. 
(a) Flagella over entire surface—Bacillus. 
(b) Flagella at one end—Pseudomonas. 
Famity III.—Spirmttace#.—Cells curved or spirally bent, 
generally motile through polar flagella. 
1. Cells stiff, not flexile. 
(a) Cells without flagella—Spirosoma. 
(4) Cells with one, very rarely with two polar flagella— 
Microspira (Vibrio). 
(c) Cells with a bundle of polar flagella—Spirillum. 
‘Tue HicHer BAcTERIA 
ate" ; 
Famity IV.—Mycopacrertace@.—Cells short or long, 
cylindrical or clavate-cuneate in form, without a sheath surround- 
ing the chains of individuals, without endos- 
pores, with true dichotomous branching. 
A. In cultures possessing the characters of 
4 true bacteria. Growth on solid media 
smooth, flat, spreading. Rod with swol- 
3} len ends, or cuneate or clavate forms— 
1 Corynebacterium. 
B. Cultures on solid media raised, folded 
or warty. Generally short slender rods, 
rarely short branched. Take the tubercle 
stain—M ycobacterium. 
Suctente fas ak Famity V.—CHLAMYDOBACTERIACEZ.— 
alba). (After Wino. Lhread-like, composed of individual cells, sur- 
gradsky fron Schmidt rounded by a sheath. Simple or with true 
~ Mes iss and Mar- branching. Ordinary vegetative growth by 
: division in only one direction of space, 7.¢., 
at right angles to the longer axis. 
A. Cell contents without sulfur granules. 
1. Filaments unbranched. 
(a) Cell-division only in one direction of space. 
(6) Cell-division in gonidial formation in three direc- 
tions of space—Actinomyces (Streptothrix). 
*Marine forms with cells surrounded by a very 
delicate hardly discernible sheath—Phragmidiothrix. 
Fic. 278.—Sulfur 
