Index to Vo/s. XXI-XXX. 
*5 
embryo and seedling (*), 29 , 161 ; semi- 
permeable membranes of seeds, 21, 79. 
Grape sugar excreted by Platycerium (*), 
25 , 1205. 
Grass embryo, morphology (*), 30 , 509. 
— seedlings, comparative anatomy (*), 29 , 
170. 
Grasses, a new parasitic root-fungus, 25 , 270. 
Great Britain, flowers and insects in, 22 , 
603. 
Green, M. L. : Note on Anomalous Bulbils 
in a Lily (*), 28 , 355. 
Griffiths, B. M. : On Glaucocystis Nosto- 
chinearum, Itzigsohn (*), 29 , 423. 
— see West, G. S. 
Griffithsia Bornetiana, life-history (*), 23 , 
639. 
, asexual reproduction (*), 23 , 663 ; 
sexual reproduction (*), 23 , 654 ; spore- 
germination (*), 23 , 673 ; tetraspore-like 
structures (*), 23 , 671 ; tetraspores (*), 
23 , 663 ; ^vegetative characters (*), 23 , 
641 ; vegetative multiplication (*), 23 , 
673 - 
Groom, P. : A Note on the Vegetative 
Anatomy of Pherosphaera Fitzgeraldi, 
F. v. M. (*), 30 , 3 1 1. 
— i Brown Oak ’ and its Origin, 29 , 393. 
— Remarks on the Oecology of Coniferae, 
24 , 241. 
— The Evolution of the Annual Ring and 
Medullary Rays of Quercus (*), 25 , 983. 
— The Medullary Rays of Fagaceae, 26 , 
1124. 
Grove, W. B. : j^Bayliss-Elliott, J. S. 
Growth action of compounds of zinc, arsenic, 
and Boron on (*), 28 , 283. 
— activities of desiccating plants, 26 , 83. 
— * of barley, influence of copper sulphate and 
manganese sulphate on (*), 24 , 571. 
— of Pisum sativum, influence of tempera- 
ture on rate of (*), 30 , 25. 
— of Salicornia, effect of salt on (*), 29 , 143. 
— in water-culture, effect of concentration 
of nutrient solution on, 29 , 89 ; 30 , 77 (*). 
— significance of certain food substances for 
plant (*), 28 , 531. 
— • temperature and (*), 22, 557. 
Gummosis of Prunus and Citrus (*), 25 , 
107; cause (*), 25 , 129; chemistry of 
genus, 25 , 122 ; description (*), 25 , 118; 
histology (*), 25 , 125; historical, 25 , 117 ; 
nature of, 25 , 13 1 ; preventive and 
remedial measures, 25 , 136; technique, 
25 , 123. 
Gums of Prunus and Citrus, chemistry, 25 , 
122 ; reactions, 25 , 123. 
Gwynne-Vaughan, David Thomas: Bio- 
graphy (*), 30 , 1. 
— Observations on the Anatomy of the Leaf 
in the Osmundaceae (*), 30 , 487. 
— On a ‘ Mixed Pith ’ in an Anomalous 
Stem of Osmunda regalis (*), 28 , 351. 
Gwynne-Vaughan, David Thomas : On 
some Climbing Davallias and the Petiole 
of Lygodium (*), 30 , 495. 
— On the Real Nature of the Tracheae in 
the Ferns (*), 22 , 517. 
— Prefatory Note to Two Unpublished 
Papers by the late, 30 , 485. 
— Some Remarks on the Anatomy of the 
Osmundaceae (*), 25 , 525. 
Gwynne-Vaughan, H. C. I. : Biography of 
Ernest Lee, 1886-1915, 29 , 639. 
Gymnosperms, seedling-structure (*), 22 , 
689 ; 23 , 189, 433 ; 24 , 329. 
Gypsophila Saxifraga, seedling-structure, 26 , 
179 - 
H. 
Habenaria viridis, insect visitors, 22 , 606. 
Hair, different types of, in wallflower (*), 
22, 714 ; production on Tropaeolum 
peregrinum (*), 26 , 589. 
Hairiness in marsh plants, 26 , 816. 
Hairs, cause of formation, 26 , 842 ; effect 
of environment on production (*), 26 , 
834 ; of tomentum and ovary of Rhododen- 
dron Falconeri and R. Hodgsoni (*), 29 , 
6 35 ; physiological effect (*), 26 , 850. 
Halesia tetraptera, anatomy of leaf-fall (*), 
25 , 76 . 
Halket, A. C. : The Effect of Salt on the 
Growth of Salicornia (*), 29 , 143. 
Halonia, general discussion, 28 , 495. 
Halophytes, absorption of water by green 
parts, 25 , 496 ; transpiration and be- 
haviour of stomata, 25 , 486 (*) ; 26 , 437. 
Haplomitrium Hookeri, discharge of an- 
therozoids (*), 23 , 159. 
Hardness in seeds of Indigofera arrecta, 
cause of (*), 21, 57. 
Harper, A. G. : Defoliation : its Effects 
upon the Growth and Structure of the 
Wood of Larix (*), 27 , 621. 
Harper, R. A., and Dodge, B. O. : The 
Formation of the Capillitium in Certain 
Myxomycetes (*), 28 , 1. 
Harris, J. A.: On a Chemical Peculiarity 
of the Dimorphic Anthers of Lagerstroe- 
mia indica, with a Suggestion as to its 
Ecological Significance (*), 28 , 499. 
Harvey, H. W. : The Action of Poisons 
upon Chlamydomonas and other Vegetable 
Cells, 23 , 18 1. 
Haustorium, function, 24 , 675. 
— of Striga lutea, structure and develop- 
ment (*), 26 , 1067. 
Helianthemum vulgare, insect visitors, 22 , 
634 
Helianthus annuus, abnormality in stem- 
structure (*), 30 , 481; physiology of 
germination (*), 24 , 693 ; seedling-struc- 
ture (*), 27 , 795- 
— tuberosus, anatomy of tuber (*), 24 , 
