A LABORATORY GUIDE FOR GENERAL BOTANY 



all details may be included without crowding or 

 confusion. 



1 6. First sketch in the outline lightly with a 5H drawing 

 pencil. In finishing a 2H pencil may sometimes be 

 desirable. 



17. All drawings should be on unruled sheets, and only 

 on one side of the sheet. They should be labeled 

 and numbered consecutively throughout the course 

 by writing under each the abbreviation Fig., 

 followed by the proper numerals, and then by the 

 legend or label, stating what the object is, and what 

 view of it is shown, as for example, " Cross-section, 

 end view." Each drawing should have all of its 

 essential parts labeled by extending straight 

 horizontal dotted lines from the various parts 

 (using a ruler), and writing the name of the part 

 at the end of the line. , 



1 8. The arrangement of the drawings on the page 

 should receive careful attention, so as to make as 

 attractive and well balanced a page as possible. 

 Crowding should be avoided, and on any one page 

 should be included only those drawings that repre- 

 sent parts of the same plant, or pertain to the 

 same subject. 



19. The various pages of drawings should be numbered 

 and labeled near the top of the page at the middle 

 thus; Plate I. Throughout your written notes, 

 when describing a structure or apparatus, repre- 

 sented by a drawing, refer to the drawing by its 

 proper number and the number of the Plate (e.g., 

 Plate IV, Fig. 5). 



20. At the completion of the course, arrange a "Table 

 of Contents," listing the main topics, as indicated 

 in the LABORATORY OUTLINE, in the order in which 



