344 



SUMMARIES OF PLANT CHARACTERS, ETC. 

 Table I. — Continued. Table I. — Coniinited. 



Ipomoea sloteri, micro- 

 scopic characters 

 — Continued: 



Petiole, transverse sec- 

 tion: 



Angle between 

 ridges 



Outline 



Depth of epidermis 



Number of cortex 

 layers 



Diameter of cor- 

 tex cells 



Diameter of largest 



vasa 



Epidermis at base: 



Length of cells ... 



Width of cells 



Number of glands. 



Diameter of glands 



Length of multicel- 

 lular protuber- 

 ances 



Corolla, limb: 

 Upper epidermis: 



Length of cells .... 



Width 



Mesophyll cells — 



shape 



Lower epidermis : 



Waviness of cells. . 



Thickening at an- 

 gles 



Size of cells 



Corolla tube: 

 Outer epidermis: 



Length of cells. . . . 



Width of cells 



Waviness of walls. 



Thickness of walls. 



Size of chromoplast 

 Stamens: 



Length of multicel 

 lular glands at 

 base 



Total 95 



2. Lselia-cattleya can 

 hamiana, macro 

 scopic characters 

 Root: 



Size and character 



of root 



Pseudobulb: 



Length 



Width 



Ridging of old pseu- 



dobulbs 



Leaf: 



Thickness 



Color 



Length 



Width 



+ 



+ 





+ 



S. 



+ 9 

 + 9=rf' 



+ 9=d' 



+ 9 



+ 9=cf 

 + 9=cf 

 + 9=cf 



+ 9+0^ 

 + 9=cf 



+ 9=cr 



31 



+ 9 



+ 9 = cr 



« 



+ 9 



+ 9=cf 

 + 9=d' 



+ 9 



+ 9 



+ 9=cf 



+ cf 



+ 9 

 + 9=cr 



45 



1^ 





