INDEX 199 



Telophase, 37 Water ascent, 62, 71 



Thallophytes, 75 Wheat, kernel and section of, 66* 



Tradescaidia, stamen hairs of, 27 Woody stems, anatomy. 41 ; micro- 

 Transpiration, 01 scopic structure, 45 



Tree, structure and growth of, 44* Wound, healing of, 46* 

 Trees, spruces and pines, 9; and 



shrubs, 155 Yarrow (Achillea), 181 



Yeast, 86, 87* 

 Vegetable fibers, 25* 



Violaceae, 173 Zamia, gametophyte of, 133 



