Oliver, F. W. 
Notes on Trigonocarpus Brongn. and 
Polylopliospermmn Brongn., two 
genera of Palaeozoic Seeds (PI. 
II.) . 
96 
O(liver), F. W. 
An Exhibit of Specimens of Seed¬ 
bearing Plants from the Palaeo¬ 
zoic Rocks 
176 
0(liver, F. W.) 
A New Pteridosperm 
The Opening of the New Botanical 
32 
School at Cambridge ... 
61 
Oliver, R. W., and 
Tansley, A. G. Methods of Surveying 
Vegetation on a large scale (PI. 
XI. and Figs. 77-80) ... 
228 
Ridley, H. N. 
Insect Attractions in Flowers 
164 
Robertson, Agnes 
Studies in the Morphology of Vorrexja 
califomica Torrey. 
I. Spore-Formation in Torreya 
californica (Plates III. & IV.) 
II. The Sexual Organs and Fer¬ 
133 
tilisation (Plates VII. to IX.) 
205 
Salmon, E. S. 
On Specialization of Parasitism in 
the Erysiphaceae, II. ... 
Recent Researches on the Speciali¬ 
sation of Parasitism in the 
109 
Erysiphaceae (Figs. 63-65) 
55 
Scott, D. H. 
Germinating Spores in a Fossil- 
Fern Sporangium (Figs. 60 & 61) 
18 
S(topes) M. C. 
The Botanical Institute at Munich 
82 
Tansley, A. G. 
The Problems of Ecology ... 
191 
T(ansley), A. G. 
The Rothamsted Agricultural Ex¬ 
periments 
What part does Colour play in 
the attraction of Insects to 
171 
Flowers? 
51 
Tansley, A. G. and Lulham, R. B. The Vascular System of 
the Rhizome and Leaf-Trace of 
Pteris aquilina, L., and Pteris 
incisa Thunb., var integrifolia 
Beddome, (Figs. 1-59.) 1 
Tansley, A. G. and Thomas, E. N. Root-Structure in the 
Central Cylinder of the Hypo- 
cotyl .. ... ... ... 104 
Tansley, A. G., F. W. Oliver and. Methods of Surveying 
Vegetation on a large scale 
(Plate XI. and Figs. 77-80) ... 228 
Thomas, E. N., A. G. Tansley and. Root-Structure in the 
Central Cylinder of the Hypo- 
cotyl .. . ... 104 
Weiss, F. E. A Probable Parasite of Stigmarian 
Rootlets (Figs. 66 and 67 ... 63 
Further Observations on the Polli¬ 
nation of the Primrose and of 
the Cowslip .. . 168 
