Page 
MASSEE, GEORGE, Esq. 
Disease of Colocasia in Jamaica. With an Introductory Note 
by D. Morris, M.A., F.L.S., Assistant Director, Royal Gardens, 
Kew. (Plate I. and 2 woodcuts.) ........0cc cee eeeeees 45 
Moorg, SPENCER LE MARCHANT, F.L.S. 
Studies in Vegetable Biology. —III. The Influence of Light 
upon Protoplasmic Movement. Pat I. (Plate VII. and 3 
woodcuts.) EMEN" 200 
Studies in Vegetable Bielogy.—IV. The Influence of Light 
upon Protoplasmic Movement. Part II. (Plates XIIL-XV.) 351 
Morris, D., M.A., F.L.S., Assistant Director, Royal Gardens, Kew. 
Disease of Colocasia in Jamaica ............ enn 45 
Puownrianr, €. B., F.L.S. 
Experimental Observations on certain British Hetercecious 
Uredines .......... Leen heh htm] est 88 
Post, Dr. GEorGE E., Beyrout, Syria. 
Diagnoses Plantarum Novarum Orientalium. (Communicated 
by J. G. Baker, F.R.S., FLLS.). 0.0... cece cece ec eee eee en 419 
Potter, M. C., M.A., F.L.S., Assistant Curator of the University 
Herbarium, Cambridge. 
Note on an Alga (Dermatophytun radicans, Peter) growing on 
the European Tortoise. (Plate VIII.) ............... s. 251 
RıprLey, H. N., M.A., F.L.S. 
On a new Genus of Orchideæ from the Island of St. Thomas, 
West Africa. (Plate VI) wo... cc cece eee cee eee eee 197 
A Revision of the Genera Microstylis and Malaxis .......... 303 
Notes on Self-fertilization and Cleistogamy in Orchids. (Plate 
XVL.) rr 389 
RoLFE, ROBERT ALLEN, A.L.S., Assistant in the Herbarium, Royal 
Gardens, Kew. 
On Bigeneric Orchid Hybrids. (Plate IV. and 2 woodcuts.) .. 156 
SCOTT, DuktiNrFiELD H., M.A., Ph.D., F.L.S. 
On Nuclei in Oscillaría and Tolypothrix. (Plate V. figs. 1-4.).. 188 
