SEEDS. 
Common White Bean. 
In your work in the laboratory always select several 
apparently perfect specimens for study. Having selected 
several common white beans, study them carefully, aid- 
ing the eye with a hand lens, and describe one in detail. 
Whenever a description of an object is called for, de- 
scribe it with regard to form as a solid, size, color, sur- 
face characteristics (i. e., hard or soft, smooth or rough, 
glossy or dull), structure, composition, and relation to 
other objects, or as many of these attributes as possible. 
In measuring use only the metric system thruout the 
course. 
Note the scar near the middle of the straighter edge 
of the beans, a small elevation near one end of the scar, 
and a small hole near the other. The scar is called the 
hilum; the small elevation, the chalaza; and the hole, the 
micropyle. Describe each. The hilum marks the place 
of attachment between the bean and its stalk, the seed 
stalk or funiculus. 
Near one end of one of your drawing cards draw 
a bean as seen from the side, and again as seen from 
the straighter edge, twice natural size (x2.) You may 
shade your drawing if you understand shading, but if not, 
draw the outline only. 
Label your cards consecutively with Roman numer- 
als, I, II, III, ete., and all the figures on each’ card jane 
