CCxlvi PROCEEDINGS OF THE ROYAL HORTICULTURAL SOCIETY. 



Gymnosporangium confusum, 22 

 „ conicum, 23 



,, juniperinum, 21, 23 



„ sabinae, 21 



„ tremelloides, 22 



Hawthorn cluster-cups, 20, 22, 23 



„ leaf-spot, 19 



„ powdery mildew, 19 

 Heartwood rot on apple and ash, 368 

 Herpotrichia nigra, 387 

 Hibiscus leaf-spot, 7 

 Holly, no fungoid leaf- spots on, 5 



., sooty mould on, 5 

 Hornbeam anthracnose, 375 



„ leaf-blotch, 375 



,, melampsora, 375 

 Horse-chestnut leaf-spots, 366 



Stereum, 366 

 Hoya, leather-leaved bristle-spore on, 3 

 Hydnum diversidens, 375 

 Hypoderma macrosporum, 388 



„ nervisequum, 388 

 Hypoxylon concentricum, 373 

 Hysterium laricinum, 39Q 



Ivy anthracnose, 8 

 „ brown spot, S 

 „ leaf-spot, 7 

 „ ringed spot, 7 

 „ sooty mould, 5 



Jelly-mass on juniper, 23 

 ,, rust, confounded savin, 22 

 „ „ juniper, 23 

 ., ,, savin, 21 

 Juniper as host-plant, 20-22 

 „ jelly-mass, 23 

 ,, „ rust, 23 



Laburnum anthracnose, 20 



,, Cucurbitaria on dead twigs 

 of, 20 

 leaf-spot, 20 

 Larch canker, 390 

 „ polypore, 389 

 „ rust, 390 

 Laurus nobilis, infested only in Italy and 



Portugal, 5 

 Laurustinus leaf-spot, 6 

 Leaf-blotch qn beech, 374 

 „ birch, 377 

 „ elm, 367, 377 

 ,, „ hornbeam, 375 

 „ „ maple, 364 

 „ „ sycamore, 363 

 ,, willow, 384 

 Leaf- dot on savin, 22 

 Leaf-mould on lilac, 16 

 Leaf-spot on ^sculus, 36G 

 „ alder, 378 

 „ „ Arbutus, 3, 4 



„ ash, 368 

 ,, ., berberry, not in Britain, 10 

 „ birch, 376 



Leaf-spot on bird-cherry, 10 

 ii box, 6 

 „ „ buckthorn, 13 

 „ ,, butcher's broom, 10 

 „ „ Calycanthus, 17 

 ,, ,, cornel, 15 

 ,, „ Cotoneaster, 10 

 ,, ,, Deutzia, 19 



„ elm, 367 

 ,, „ Forsythia, 18 

 „ ,, Garrya, 18 

 „ ,, guelder-rose, 14 

 „ „ hawthorn, 19 

 „ ,, Hibiscus, 17 

 „ ,, horse-chestnut, 366 



„ ivy, 7 

 ,, „ laburnum, 20 

 ,, ,, laurustinus, 6 

 „ lilac, 6, 17 

 „ lime, 378 

 „ „ Magnolia, 4 

 ,, ,, Mahonia, 10 

 „ „ maple, 361 

 „ ,, myrtle, 8 

 „ oak, 369 

 „ ,, oleander, 3 

 „ Pavia, 366 

 „ Phillyrea, 9 

 „ „ plane, 366 

 „ poplar, 380 

 „ „ privet, 6 

 ,, „ Rhododendron, 2 

 „ Rhus, 21 

 „ Sida, 17 

 „ Staphylea, 18 

 ,, ,, sumach, 21 

 „ willow, 382 

 Leather-leaved bristle-spore on Camellia 

 Citrus, Hoya, Magnolia, Ehododen 

 dron, 3 

 Lecythea mixta, 383 



saliceti, 383 

 Lilac leaf-mould, black, 16 

 „ ., „ white, 16 

 ,, „ spot, 16 

 Lime-tree leaf-spot, 378 



,, sooty mould, 377 

 Lopbodermium laricinum, 390 

 „ pinastri, 389 



Magnolia bristle-spore, 3 



,, leaf-spot, 4 

 Mahonia cluster-cups, 10 



,, leaf-spot, 10 

 Maple black mould, 363 

 ,, leaf Asteroma, 362 



„ blotch, 364 

 „ „ phloeospore, 362 

 ,, spot, ochry, 361 



,, mildew, 364 

 „ twig anthracnose, 362 



„ blight, 362 

 ,, white root-rot, 365 

 Marsonia daphnes, 19 

 Mealy mildew on birch, 385 

 ,, ,, ,, guelder-rose, 14 

 „ ,, „ poplar, 385 

 ,, „ ; , willow, 385 



