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Pinus Thunbergii, Pari., An Abnormal Shoot of (5 Text- 
figs.)—W. C. Worsdell . 23 
Pleodorina illinoiensis Kofoid in Britain (11 Text-figs.)— 
W. B. Grove ... ... ... ... ... 169 
Pollination Mechanism of Arctotis aspem, Preliminary 
Observations on (6 Text-figs.)—James Small ... 216 
Porometer, A Convenient Modification of the (1 Text-fig.) 
—R. C. Knight . 212 
Protista and Primitive Fungi, Inter-relationships of (6 
Text-figs.)—F. Cavers ... ... 94, 164, 223, 275, 302 
Pyrenomycetes, Additional Notes on Marine (3 Text-figs.) 
—G. K. Sutherland ... ... ... ... 183 
Reviews :— 
Flowering Plants of the Riviera, by H. Stuart 
Thompson—R.S.A(damson) ... ... ... 39 
Notes on the Blue-green Algae, by Harold Wager 
—S.R.P(rice) ... ... ... ... ... 32 
Some Recent Taxonomic Works—C.E.M(oss) ... 228 
Riviera, Flowering Plants of the, by H. Stuart Thompson 
(Review)—R.S.A(damson) ... ... ... 39 
Somerset Heath and its Bryophytic Zonation, A (7 Text- 
figs.)—W. Watson ... ... . 80 
Stephen Hales—A Reply to Criticism—Sir Francis 
Darwin . ... . 27 
Targionia hypophylla, Structure and Development of (2 
Text-figs.)—Lillian O’Keeffe ... ... ... 105 
Taxonomic Works, Some Recent (Review)—C.E.M(oss) 228 
Tetraphis pellucida, Vegetative Production of Flattened 
Protonema in (1 Text-fig.)—W. J. Hodgetts ... 43 
Type Slides—J. Ramsbottom ... ... ... ... 299 
Ustulina zonata, A Disease of Plantation Rubber caused 
by (6 Text-figs.) —F. T. Brooks ... ... ... 152 
Vegetative Production of Flattened Protonema it Tetraphis 
pellucida (1 Text-fig.)—W. J. Hodgetts ... ... 43 
West Himalayan Liverworts, Morphological and Biological 
Notes on new and little known (7 Text-figs.)— 
Shiv Ram Kashyap ... ... ... ... 1 
Zygnema ericetonun (Kiitz.) Hansg., A Contribution to the 
Cytology and Life-history of, with some Remarks 
on the “Genus” Zygogonium (5 Text-figs.)— 
G. S. West and Clara B. Starkey ... ... 194 
