LEAVES AND LEAF STRUCTURE 



95 



Lubbock, pp. 97-147; Textbook of Botany, Stevens, pp. 85-98; Elementary 

 Botany, Atkinson, pp. 36-38; Lessons in Botany, Atkinson, pp. 56-59; 

 Plant Structures, Coulter, pp. 141-142; Nature and Work of Plants, pp. 

 80-86; The World's Great Farm, Gaye, Chap. XII. 



HELIOTROPISM 



How Plants Grow, Bailey, pp. 350-000; Lessons with Plants, Bailey, 

 pp. 330-000; Lessons in Botany, Atkinson, pp. 109-114; Elementary 

 Botany Atkinson, pp. 84-88; Plant Structures, Coulter, pp. 305-000; 

 Plant Relations, Coulter, pp. 8-13, 68-70, 138-141, 330-000; Textbook of 

 Botany, Strasburger, pp. 250-253; Textbook of Botany, Gray and Godale, 

 pp. 392-393; Textbook of Botany, Bessey, pp. 193-194; Textbook of Botany, 

 Stevens, pp. 120-122; Nature and Work of Plants, pp. 73-00. 



STOMATA 



Plant Physiology, McDougal, pp. 196-203; Plant Anatomy, Stevens, 

 pp. 127-133; Lessons in Botany, Atkinson, pp. 58-59; Elementary Botany, 

 Atkinson, pp. 42-44, 46; Plant Structures, Coulter, pp. 141-143; Plant 

 Relations, Coulter, pp. 38-39; Nature and Work of Plants, McDougal, 

 pp. 84-00. 



LEAF ARRANGEMENT 



Flowers, Fruits and Leaves, Lubbock, pp. 97-147; Introduction to Botany, 

 Stevens, pp. 81-84; Plant Relations, Coulter, pp. 6-27; Kerner" and 

 Oliver, Vol. I, Part 2, pp. 593-597 and 623-640; Nature and Work of 

 Plants, McDougal, pp. 72-75; Textbook of Botany, Strasburger, pp. 37- 

 40; Textbook of Botany, Bessey, pp. 149-150. 



MINUTE STRUCTURE 



