INDEX. 



clix 



Hardening off, 399 



Hatton, R. G., first report on quince 



stocks for pears, 269 

 on suggestions for the right 



selection of apple stocks, 



257 



Hayward, J. M., and G. C. Druce, 

 " The Adventive Flora of Tweed- 

 side," 381 



Hazel-leaf mildew, 229 



spirally twisted, xxxiii 



Heart-rot of hemlock, 399 



Heat, injuries caused by, 399 



Heating of greenhouses, 399 



Hedychium Gardnerianum, fruiting, 

 xxxiv 



Helenium, 248 



• Wyndley,' cx 



Heliothrips tabaci, 235 



Hemileuca oliviae, 149 



Henry, A., " Forests, Woods and 

 Trees in Relation to Hygiene," 

 378 



" Henry Nicholson Ellacombe," by 

 A. W. Hill, reviewed, 382 



Heracleum giganteum causing skin 

 irritation, xci 



" Heredity," by J. A. Thomson, re- 

 viewed, 377 



Heredity in annual beets and carrots, 

 399 



Heterodera radicicola, 420 

 Heterosporium echinulatum, 234 

 Hill, Capt. A. W., " Henry Nicholson 

 Ellacombe," 382 

 on our soldiers' graves, 1 

 Hippeastrum ' George Gentle,' civ 

 Hippodamia convergens, 389 

 Hodge, A. E., " Butterfly and Moth 



Collecting," 376 

 Hodsoll, H. E. P., on the care of the 



soil, 22 

 Holly, giant, 252 



Hollyhock ' Lady Bailey,' A.M., cxii 

 ' Queen of the Yellows,' A.M., 

 cxii 



Hop aphis, 141 



Hop, resistance to mildew, 67 

 Horse-radish flea-beatle, 145 

 Howea Balmoreana, 145 



Fosteriana, 145 

 Hubbard, H. V., and Kimball, T., 



" Introduction to the Study of 



Landscape Design," 383 

 Hurry, J. B., on educational gardens, 



56 



Hyalopterus arundinis, 141 

 Hybrids, artificial production of natu- 

 ral, xxxiii 

 Hydrangea hortensis ' Amazone,' 

 404 



' Etincelant,' 404 

 ' Satinette,' 404 

 ' Trophee,' 404 

 vars. for forcing, 404 

 Hydrangeas, 253 

 Hydroecia micacaea, 421 

 Hymenoptera, parasitic, 145 

 Hypericum laeve var. rubra, 145 



Idiocerus fitchii, 400 

 Inbreeding, etc., 400 

 Indigofera pendula, 145 

 Inga dulcis, in 



Inheritance of sex in strawberries, 

 400 



Insect eggs, toxicity of organic com- 

 pounds, 146 

 Insecticide, new, 146 



mode of action, 146 

 physical properties, 146 

 " Introduction to Physical Chemis- 

 try," by J. Walker, reviewed, 379 

 " Introduction to the Study of Plants, 

 The," by F. E. Fritsch and E. J. 

 Salisbury, reviewed, 132 

 " Introduction to the Study of Land- 

 scape Design," by H. V. Hubbard 

 and T. Kimball, reviewed, 383 

 Iris, 248 



aurea, 401 

 filifolia, 401 

 fulvata, 401 

 Hoogiana, A.M., cv 

 hybrids, 401 



Mendelian characters in, 289 

 pallida dalmatica, 401 

 * Rotherside Gladiator,' cvii 

 stolonifera hybrids, xc 

 tectorum, 401 

 Turkoman, A.M., cv 

 Xiphium, 401 



' Rotherside Blue,' cviii 



Irish gardens, 247 



Isaria parasitic of wireworm, 422 



Jackson, B. D., on Pritzel's Index, 

 M 



Jacob, J., on Freesiasand Lachenalias, 



29 



Jatropha Curtas, 112 

 " Journal of Pomology," ed. by E. A. 

 Bunyard, reviewed, 374 



Kains, M. G., " The Principles and 



Practice of Pruning," 376 

 Kale tried at Wisley, 1919, xxxvii 



with enations, xc 

 Khretia laevis, in 

 Kigelia pinnata, 11 1 

 Kimball, T., see Hubbard, H. V. 

 Kniphofia, 248, 249 

 Kochia trichophylla, 401 



Lacioderma serricorne, 153 

 Lachenalia ' Aldborough Beauty,' 38 

 aurea, 34 



' Brightness,' 37, 38 



' Brilliant,' 38 



' Burmah,' 36, 37 



' Cawston Gem,' 37, 38 



' Dublin,' 36 



glaucina, 36, 37 



' Greenland,' 36 



' Holland,' 37 



' Jean Rogers,' 38 



