CONTENTS. 
PAGE 
Sargant, Ethel, and Arber, Agnes.— The Comparative Morphology of the Embryo 
and Seedling in the Gramineae. With Plates IX and X and thirty-five Figures in 
the Text.. 161 
Lindsey, Marjorie. —The Branching and Branch Shedding of Bothrodendron. With 
Plate XI and 1 three Figures in the Text ..223 
Browne, Isabel M. P.—A Second Contribution to our Knowledge of the Anatomy of the 
Cone and Fertile Stem of Equisetum. With Plates XII-XIV and five Figures in the 
Text. -231 
Hooker, Henry D., Jr.— Hydrotropism in Roots of Lupinus albus .... 265 
West, Cyril, and Lechmere, Arthur Eckley. —On Chromatin Extrusion in Pollen 
Mother-cells of Lilium candidum, Linn. With Plate XV . . . . 285 
Welsford, E. J.—Nuclear Migrations in Phragmidium violaceum. With Plate XVI . 293 
Willis, J. C.—The Origin of the Tristichaceae and Podostemaceae ..... 299 
NOTES. 
Boodle, L. A.—Abnormal Phyllotaxy in the Ash . . . . . . 307 
Salisbury, E. J.—On the Occurrence of Vegetative Propagation in Drosera. With 
four Figures in the Text. 308 
Knight, Margery.— Anatomy of the Magnoliaceae.310 
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