PLATE 40 
Flower pedicel and stem node of the potato: 
A. —Transverse section through pedicel of flower. X 46. 
B. —Portion of transverse section through node, showing part of wing bundle of 
petiole above, part of stem bundle below, and leaf gap in center with connection of 
inner and outer phloem along the side of the stem bundle. X 180. 
