352 



SUMMARIES OF PLANT CHARACTERS, ETC. 

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



Cypripedium lathamia- 

 num, microscopic 

 characters: 



Leaf: 



Upper epidermis: 

 Thickness of walls 



at apex 



Length of cells at 



apex 



Width of cells at 



apex 



Thickness of walls 



middle 



Length of cells at 



middle 



Width of cells at 



middle 



Length of cells at 



base 



Width of cells at 



base 



Lower epidermis: 

 Length of cells at 



apex 



Width of cells at 



apex 



Number of stomata 



at apex 



Length of cells at 



middle 



Width of cells at 



middle 



Number of stomata 



at middle 



Length of cells at 



base 



Width of cells at 



base 



Number of stomata 



at base 



Leaf, transverse s 



tion: 

 Depth of cuticle 



wax 



Depth of upper epi 



dermal cells 



Depth of cuticle on 



lower epidermis 

 Depth of lower epi- 

 dermal cells. . . . 

 Width of lower epi 



il' i mal cells. . . . 

 Depth of midrib 



bundle 



Width of midrib 



bundle 



Thickness of trans 



verse Bection at 

 midrib 



Flower stalk: 

 Epidermis at top: 



Length of cells. 



Width of cells. .. 



Kind of hairs pre- 

 sent 



Number of hairs 



Length of pointed 

 hairs 



Color 



+ 



+ 



i 



a 

 '■5 



2 



= 



+ 9=^ 



+ c? 



+ 9=o" 



+ c? 

 +<? 



+ 0" 



+ cT 

 + 9 



+ <? 



+ d" 



+ 9 

 + 9=0" 



+tf 



+ <? 



+ cf 



