Page:Bergey's manual of determinative bacteriology.djvu/176

 :B. Gelatin not liquefied.
 * 1. Starch hydrolyzed.


 * 2. Starch not hydrolyzed.


 * C. Gelatin not reported.
 * 1. Starch hydrolyzed.

II. Colonies whitish to cream; pigment non-water-soluble.
 * A. Gelatin liquefied.
 * 1. Starch hydrolyzed.
 * a. Nitrites produced from nitrates.


 * aa. Nitrites not reported.

2. Starch not reported.

The following key will be found useful for purposes of identification where the bacterium is isolated from a known host plant.

I. Cause of leaf, stem and fruit spots and occasional blights of monocotyledonous plants.
 * A. Attack members of the family Araceae.


 * B. Attacks members of the family Cannaceae.


 * C. Attack members of the family Gramineae.


 * D. Attacks members of the family Iridaceae.


 * E. Attack members of the family Liliaceae.


 * F. Attacks members of the family Musaceae.


 * G. Attacks members of the family Zingiberaceae.

II. Cause of leaf, stem and fruit spots and occasional blights of dicotyledonous plants.
 * A. Attacks members of the family Aceraceae.