1 8 Annals of Botany. 
Hooker, Sir J. D— A Sketch of the Life 
and Labours of Sir William Jackson 
Hooker (Portrait), xvi. ix. 
— Biographical Memoir of George Bentham 
(Portrait), xii. ix. 
Hooker, Sir W. J. — Biographical Sketch 
(Portrait), xvi. ix. 
Hope, C. W.— The ‘Sadd’ of the Upper 
Nile : its Botany compared with that 
of similar Obstructions in Bengal and 
American Waters, xvi. 495. 
— Id. Note on, xvii. 446. 
Hordeum sativum, proteases, xix. 179. 
— vulgare, proteolytic action in germinating 
seeds of, xvi. 10. 
Hormospora fimetaria, description (*), xv. 347. 
— ovina, description (*), xv. 346. 
Host and parasite, relation between in 
Bromes and Puccinia dispersa, xvi. 233. 
Houttuynia cordata, seedling-structure (*), 
xx. 1 7 1. 
Howard, A. — On a Disease of Tradescantia 
(Plates IV and V), xiv. 27. 
— On Diplodia cacaoicola ; a parasitic F un- 
guson Sugar-cane and Cacao in the West 
Indies (Plate XXXVII), xv. 683. 
■ — On some Diseases of the Sugar-cane in 
the West Indies (Plate XVIII), xvii. 373. 
— On Trichosphaeria Sacchari ; a Fungus 
causing a Disease of the Sugar-cane 
known as ‘ Rind Fungus,’ xiv. 617. 
Huie, L. H. — Changes in the Gland-Cells 
of Drosera produced by various Food 
Materials, xii. 560. 
Humaria salmonicolor, description, xvi. 66. 
Humphrey, H. B. — The Development of 
Fossombronia longiseta (Plates V and 
VI and eight text-figures), xx. 83. 
Hyacinthus orientalis, proteases of, xix. 182 ; 
reserve carbohydrates of bulb, xiv. 155 ; 
seedling-structure, xvii. 20. 
— romanus, seedling-structure (*), xvii. 14. 
Hyalodidymae, coprophilous, xvi. 75. 
Hyalostilbeae, coprophilous, xvi. 86. 
Hybrid Fern, structure of (*), xi. 533. 
— of Kalanchoe (.*), xvii. 435. 
Hybrids of Fucus, new, xiii. 187 ; of sus- 
ceptible and immune varieties, xix. 37. 
Hydathodes of Lathraea Squamaria and of 
some allied Scrophulariaceae (*), xi. 385. 
Hydrodictyon utriculatum, starch formation 
in (*), xv. 619. 
Hydrogen, effect of, on nuclear division, xix. 
525 ; on streaming of protoplasm, xix. 
523- 
Hydropterideae, past history of (+), xx. 
227. 
Hygromiira stipitata , description (*), xi. 290. 
— tremula, description (*), xi. 288. 
Hymenomyceteae, coprophilous, xvi. 61. 
Hymenophyllaceae, anatomy (*), xiv. 455 ; 
phylogeny, xiv. 481 ; stem-structure, xiii. 
624. 
Hymenophyllum, nodal region (*), xiv. 467 ; 
petiole (*), xiv. 4 66 ; root-structure (*), 
xiv. 465 ; stem-structure (*), xiv. 456. 
Hyphae, movements of protoplasm in coeno- 
cytic (*), xi. 491. 
Hyphomyceteae, coprophilous, xvi. 79. 
Hypocopra macrospora, description (*), xv. 339. 
— minima , description (*), xv. 335. 
— stercoraria, description, xv. 343. 
— j ter cor is, description (*), xv. 339. 
Hypocreaceae, coprophilous (*), xv. 351, 
xvi. 75. 
Hypolepis millifolia, structure (*), xvii. 693. 
— repens, structure (*), xvii. 693. 
— tenuifolia, structure (*), xvii. 693. 
Hysterostele, definition, xvi. 523. 
I. 
Idioplasmic activity, outward manifestation, 
xix. 227. 
— structures, the visible, xix. 223. 
Ikeno, S., and Hirase, S. — Spermatozoids 
in Gymnosperms, xi. 344. 
Immune and susceptible varieties and their 
hybrids, xix. 37. 
Immunity and susceptibility, xix. 20. 
Indigofera, localization of indigo-producing 
substance (*), xix. 301. 
Indigo-producing substance and chloroplasts, 
supposed relation between, xix. 308. 
Indigo-yielding plants, localization of indigo- 
producing substance in (*), xix. 297; 
Calanthe, xix. 307 ; Indigofera (*), xix. 
301 ; Isatis tinctoria, xix. 305 ; Phajus 
grandifolius (*), xix. 306 ; Phajus macu- 
latus, xix. 307 ; Phajus Wallichii, xix. 307 ; 
Polygonum tinctorium, xix. 305 ; Strobi- 
lanthes flaccidifolius, xix. 307. 
Infection by fungus parasites, xix. 28. 
— experiments with Puccinia dispersa, xvi. 
487. 
— of Bromes with Puccinia dispersa, xvi. 
273. 
Infranodal organs in Calamites (+*), xv. 
135 ; in Cicuta maculata (*), xv. 141 ; in 
Gornus stolonifera (*), xv. 142 ; in Dico- 
tyledons (*), xv. 135; in Equisetum (*), 
xv. 136; in Polygonum amphibium (*), 
xv. 144 ; in Potentilla palustris (*), xv. 
140. 
Injuries, correlation of growth under in- 
fluence of, xi. 509, xii. 1 17. 
Injury, appearance of a brilliant pigment in 
Jacobinia after, xix. 167. 
Inocybe, description and key to species, xviii. 
463. 
— monograph of genus (*), xviii. 459. 
— abjecta, description, xviii. 480. 
— agglutinata , description, xviii. 478. 
— albipes, description, xviii. 473. 
— albodisca, description, xviii. 466. 
— alienella , description, xviii. 489. 
— asinina, description, xviii. 474. 
