VI 
Index. 
PAGE 
Lewis, I. F. — The Life-History of Griffithsia Bornetiana. With Plates XLIX-LIII and two 
Figures in the Text ............. 639 
Massee, G. — The Structure and Affinities of British Tuberaceae. With Plate XVII . . 243 
On a new Genus of Ascomycetes. With three Figures in the Text . . . 335 
Mottier, D. M. — On the Prophases of the Heterotypic Mitosis in the Embryo-sac Mother- 
cell of Lilium. With Plate XXIII 343 
Oliver, F. W. — On Physostoma elegans, Williamson, an archaic Type ot Seed from the 
Palaeozoic Rocks. With Plates V-VII and ten Figures in the Text .... 73 
Osborn, T. G. B. — The Lateral Roots of Amyelon radicans, Will., and their Mycorhiza. 
With Plates XLVI and XLVII . 603 
Overton, J. B. — On the Organization of the Nuclei in the Pollen Mother-cells of certain 
Plants, with especial Reference to the Permanence of the Chromosomes. With 
Plates I— II I 19 
Ridley, H. N. — Branching Palms 337 
Salisbury, E. J. — The Extra-floral Nectaries of the Genus Polygonum. With Plate XVI, 
and six Figures in the Text 229 
Sargent, O. H. — Notes on the Life-History of Pterostylis. With Plates XVIII and XIX . 265 
Shaw, F. J. F. — The Seedling Structure of Araucaria Bidwillii. With Plate XXI, and six 
Diagrams in the Text . . . . . . . . . . . *321 
Stephens, E. L. — The Embryo-Sac and Embryo of certain Penaeaceae. With Plates XXV 
and XXVI 363 
Sykes, M. G.— On the Nuclei of some Unisexual Plants 340 
See also Thoday, D. 
Thomas, H. IL, see Arber, E. A. N. 
Thoday, D., and Sykes, M. G. — Preliminary Observations on the Transpiration Current in 
Submerged Water-plants 635 
Vines, S. IL. — The Proteases of Plants. VI 1 
Wager, H. — The Perception of Light in Plants. With Plates XXXI and XXXII, and three 
Figures in the Text 459 
Watson, D. M. S. — On Mesostrobus, a New Genus of Lycopodiaceous Cones from the Lower 
Coal Measures, with a Note on the Systematic Position of Spencerites. With Plate 
XXVII, and six Figures in the Text 379 
Welsford, E. J., see Benson, M. 
Wilson, Malcolm. — O n Spore Formation and Nuclear Division in Mnium hornum. With 
Plates X and XI 141 
Yapp, R. H. — On Stratification in the Vegetation of a Marsh, and its Relations to Evaporation 
and Temperature. With Plate XX, and eight Figures in the Text .... 275 
Yendo, K. — On the Mucilage Glands of Undaria. With Plate XLVIII .... 613 
a . Plates. I-III. 
IV. 
V-VII. 
VIII, IX. 
X, XI. 
XII-XIV. 
XV. 
XVI. 
XVII. 
XVIII, XIX. 
XX. 
B. LIST OF ILLUSTRATIONS. 
The Organization of the Nuclei in the Pollen Mother-Cells of Certain Plants 
(Overton). 
Elaioplasts (Beer). 
Physostoma elegans, Williamson (Oliver). 
The Strength and Development of the Grain of Wheat (Triticum vulgare). 
(Brenchley). 
Spore Formation and Nuclear Division in Mnium hornum (Wilson). 
Gametophytes of Tseudotsuga Douglasii (Lawson). 
Seedling Structure of Gymnosperms (Hill and de Fraine). 
Extra-floral Nectaries of the Genus Polygonum (Salisbury). 
Structure and Affinities of British Tuberaceae (Massee). 
Notes on the Life-History of Pterostylis (Sargent). 
Stratification in the Vegetation of a Marsh, and its Relation to Evaporation 
and Temperature (Yapp). 
