PLATE) UL « 
Fic. 8.—Cross section of a small portion of a stem 4.6 mm. in diameter: 
e, epidermis, the cuticle represented by the black outer band; x, palisade; 
q, thin-walled parenchyma of primary cortex; y, pericycle; c, cambium; 
w, water tubes; m, medullary rays; bast fibers are shown in the phloém 
and pericycle by black dots. » 65. 
Fic. 9.—Longitudinal radial section of stem: w, spiral water tube; 
l, reticulate water tube; f, medulla. » 288. 
Fig. 10.—Portion of phloém: 5b, bast fibers; r, medullary rays. X 325. 
Fic. 11.—Longitudinal radial section of stem phloém: 6, bast fiber; 
n, undivided mother cells. » 325. 
Fic. 12.—Stem tracheids. » 288. 
Fic. 13.—Stem bast fiber. x 90. 
Fic. 14.—Tangential section of stem cork. x 325, 
