TRILLIUM RECUR VA TUM. 205 



1. The sepals still in growing condition. 



2. The withered but persistent petals^ stamens and styles. 



3. The fleshy winged pod, like the young ovary, but 

 larger, inclosing 



4. The seeds. Note 



a. The slender attachment. 



b. The fleshy body on the side of the seed, the stro- 

 phiole, which is an outgrowth of the lower part of 



c. The stalk of the seed, funiculus, extending beyond 

 the strophiole as a ridge on the seed, the rhaphe, 

 and terminating at 



d. The base of the seed, the chalaza. 



e. The shape. 



/. The minutely granular surface. 

 g. Draw a seed. 



Beginning at the chalaza, cut several very thin trans- 

 verse sections, then another transverse section from the 

 middle of the seed, mount, and notice 



//. The thin brown coat of the seed, testa, 

 i. The uniform tissue within, the cells of which are 

 filled with reserve food material, and in the 

 section from the middle of the seed are seen to 

 radiate from the center to the outside. 

 j. In the sections from the base of the seed, the 

 small round spot, between the center of the 

 section and the side next the rhaphe, the embryo. 



MINUTE ANATOMY. 



A. THE ROOT. In a central longitudinal section 

 through the root-tip, note under low power 

 i. The outer looser cells and inner more compact tissue 

 forming the root-cap. 1 



1 It may be difficult to get the region complete. 



