CONTENTS. 
PAGE 
JOHNSON, D. S. — On the Development of the Leaf and Sporocarp in 
Marsilia quadrifolia, L. (With Plates X, XI, and XII) 
Parkin, J. — On some points in the Histology of Monocotyledons 
(With Plate XIII) 
Magnus, P. — On Aecidium graveolens (Shuttlew.) (With Plate XIV) 
Biffen, R. H. — The Coagulation of Latex . 
Phillips, R. W.— The Development of the Cystocarp in Rhody- 
meniales : II. Delesseriaceae. (With Plates XV and XVI) . 
Worsdell, W. C. — The Vascular Structure of the Sporophylls of the 
Cycadaceae. (With Plates XVII and XVIII) .... 
Reid, C. — Further Contributions to the Geological History of the 
British Flora 
NOTES. 
Lang, W. H. — On Apogamy and the Development of Sporangia upon 
Fern-Prothalli ' 
Maslen, A. J.— The Ligule in Lepidostrobus. (With Woodcut i) 
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