TRILLIUM 195 



6. Peel down a strip of the epidermis, and observe 

 whether the wrinkling is confined to it or not. 



7. Make a drawing, twice natural size, showing the 

 external features of the rhizome, together with a 

 portion of the aerial branch, and roots. 



E. The Young Terminal Bud: 1 



1. Carefully remove the aerial branch and surrounding 

 scales and observe the terminal (apical) bud. 



2. Describe its color, shape, attitude, and the relation 

 between it and the base of the aerial branch. Draw 



(X2). 



F. The Mature Terminal Bud: 1 



1. Use material gathered in late autumn, and care- 

 fully dissect away the outer bud-scales. Identify 



"the parts found within. 



2. Make careful drawings, and interpret the signifi- 

 cance of this observation. 



G. The Foliage-leaves: 



1. Describe the number, location, and arrangement 

 of the foliage-leaves. Are they petiolate or sessile? 



2. Observe: 



(a) The coloration (described, for T. sessile, as 



" blotched"). 



(b) The outline of the base, apex, and margin. 



(c) The venation. 

 H. The Flower: 



i. On what part of the shoot is it borne? Record 

 the presence or absence of a flower-stalk (peduncle) . 

 Explain the significance of the specific name of 

 this species (T. sessile). Has the flower an odor? 

 If so, describe it. 



1 On account of the large amount of material required, it is desirable 

 to make E and F class demonstrations by the instructor. 



