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Plate XVII 
(i) Plant; s, stalk-like branch bearing capsule; sb, spreading branch; pb, pendent branch; 
X i. (2) Cortical cells of stem showing spiral thickenings and pores, X 125. (3, 4, 5) Stem- 
leaves, X 22. (6) Hyaline cell from middle region of leaf of spreading branch, showing pores 
on outer side, X 343. (7, 8, 9) Portions of cross sections of leaves of spreading branches, X 400. 
