SIMMAKIICS OF PLANT CHARACTERS, ETC. 

 Table I. Taj li I.- Continued. 



343 



Ipomcea sloteri, micro- 

 scopic characters: 

 Cotyledons: 

 Upper epidermis: 

 Waviness of walls. 

 Length of cells .... 



Width Of cells . 



Number of glands 



Size of glands 



Number of stomata 

 Size of stomata . . 



Lower epidermis: 

 Waviness of wulls. 

 Length of cells. . . . 



Width of cells 



Number of glands. 



Size of glands 



Number of stomata 

 Size of stomata . . 



Root: 



Number of cork 



layers 



Length of corl. 

 Width of cork cells 

 Length of cork cam- 



bial cells 



Width of cork cam 



bial cells 



Number of cortex 



layers 



Length of cortex 



cells 



Width of cortex 



cells 



Number of seleren- 



chyma patches 

 Grouping of pitted 



vessels 



Position of largest 



vessels 



Average diam 

 of pitted vessels 



Diameter of largest 

 pitted vessi 



Width and distinc- 

 tions of mcdull- 



X f. 



ary rays 



Stem: 



Width of epidermal 

 cells 



Depth of epidermal 

 cells 



Number of cork 

 layers 



Length of cork cam- 

 Ma! cells 



Width of cork cam 

 bial cells 



Number of cortex 

 layers 



Length cndodermal 

 cells 



Width endodermal 

 cells 



Diameter of scler- 

 osed cells 



Number of secre- 

 tory cells 



r- 



t- 



§a 



1 

 i 



D 



+ 9 = d" 

 +<? 



+ 9=d" 

 + 9 



f 



r 



+ 9=cf 



+ 9=c? 

 + 9=0" 



+ 9=^ 



+ 9 



+ 9 

 +d> 



+ 9 



+ 9 



+ 9 



+ 9=c? 



+ 9 

 + 9 



+ 9 



+ 9=c 



+c? 



+ <? 



+ cf 

 + 9 



It 

 o 



-J 



+ 9 



+ 1 



+ 1 



+ 9 = 0* 



+ 9 

 + 9=cT 



+ 9 

 + 9 



