p.9

9

The following are the elementary substances found in the composition of grasses or their products with their symbols & the abbroviations by which they are represented by chemists, and also of the several elements when combined to form compound substances.

[Pencil-Drawn Data Table of Elements Found In Soils, Grasses or Their Products].

Those in Italics are common to all grasses-the others are only found in certain species, or certain products.