or) 
AN ANGIOSPERM IN FLOWER. 63 
(c) The Leaves. 
Are they stalked or sessile ? 
Are they simple or compound, and what is their 
form ? 
Do they vary in size? Ifso, where? Why? 
What is their venation ? 
Compare the two surfaces as to color, smoothness, 
and presence of hair. 
What is their arrangement? Why? 
. Are there any leaf modifications? Ifso, what, where, 
and why ? 
Draw two or more internodes of the stem, showing 
its surface characters, leaf attachments, and form 
of leaf, designating all parts. 
(d) The Reproductive Shoots. (Flowers.) 
Are the flowers solitary or in clusters? If the latter, 
what is their arrangement (inflorescence) ? 
Is an individual flower sessile or stalked? Why? 
Are modified leaves (bracts) found at the base of 
the peduncles or pedicels ? , 
Does each flower contain stamens and pistils? If 
not, are the imperfect flowers on the same or 
different plants? Why? 
Study the number, form, color, and arrangement of 
the floral envelopes. Are any or all of these parts 
separate or united? Are the sepals and petals 
respectively alike in form? Draw one of each if 
alike and separate, also any modification of form 
or union. 
Study the number, length (relative), and arrange- 
ment of the stamens. Draw and designate the 
