40 — 
Plate XVIII 
(i) Portion of plant showing spreading and pendent branches, X I. (2, 3, 4, 5) Stem-leaves, 
X 22. (6, 7) Leaves of spreading branches, X 33. (8) Hyaline cell from middle region of leaf 
of spreading branch, showing pores on inner side, X 343* (9. 10) Hyaline cells from middle re- 
gions of leaves of spreading branches, showing pores on outer side, X 343- (11, 12, 13, 14) Por- 
tions of cross sections of leaves of spreading branches; g, green cell; p, pore; s, spiral thickening; 
X 400. 
