TRILLIUM. 



ii. The tapering divergent styles. 

 iii. The double wavy crest along the inner face of 

 each style, the stigma. 



b. Draw the three carpels. 



Make a transverse section through the middle of the 

 style ; mount, and notice 



c. The outline, including the stigma. 



d. The central fibro-vascular bundle. 



e. The stigma. 



i. The recurved sides, and deep median groove 



extending in to the central bundle, 

 ii. The velvety papilla clothing its surface. 

 /. Draw the section. 



Mount several transverse sections of varying thickness 

 passing through the middle of the compound ovary, and 

 notice 



g. The three similar parts belonging to the three car- 

 pels of which it is composed, each consisting 

 of 



i. The two prominent ridges or wings. 

 ii. The fibro-vascular bundle lying in the tissue 



between the ridges. 



iii. The sides of the carpel uniting with the sides 



of the adjoining carpels, extending into the 



cavity of the ovary and meeting in the center, 



forming the three placentae. 



iv. The two or more fibro-vascular bundles of the 



placenta. 



v. The rounded ovules in the cavity of each car- 

 pel, borne on the sides of the right and left 

 placentae. 

 h. Draw the section. 



G. THE FRUIT. Notice 



