Cabbage rust, 136 Campanula rust, 123 Centaury brand, 63 _Chætomium_ (Descriptions), 221 —— _elatum_, 175 Classification, 189 Clover rust, 116 CLUSTER-CUPS, 2 Cluster-cup, Anemone, 10 —— Bedstraw, 15 —— Berberry, 16 —— Buckthorn, 16 —— Buttercup, 12 —— Fir-tree, 20 —— Goatsbeard, 3 —— Hawthorn, 17 —— Houseleek, 21 —— Mountain-Ash, 19 —— Nettle, 14 —— Pear-tree, 18 —— Sanicle, 14 —— Spurge, 11 —— Violet, 13 Cocksfoot smut, 83 _Coleosporium_, 119 —— _Campanulæ_, 122 —— (Descriptions), 212 —— _petasites_, 122 —— _tussilaginis_, 120 _Coleosporium sonchi-arvensis_, 122 —— _Rhinanthacearum_, 122 Collecting fungi, 179 Coltsfoot rust, 120 COMPLEX BRANDS, 67 Complex smuts, 90 Composite rust, 105 Conceptacles, 165 Conidia, 126 _Coniomycetes_, 5 Conjurer of Chalgrave’s fern, 61 Corn mildew, 48 —— mildew, germination, 55 —— rust, 49, 52, 95 —— smut, 79 Cornel blight, 174 Coronated mildew, 56 Cotton blight in India, 177 Cow-parsnip rust, 105 Cow-wheat rust, 122 Crowfoot blight, 173 Crucifer white rust, 136 _Cryptosporium Neesii_, 35 _Cystopus_, 124, 136 —— _candidus_, 136 —— _cubicus_, 136 —— (Descriptions), 214 —— _Lepigoni_, 136 Dandelion parasites, 61 De Bary’s experiments, 129 Descriptions, 189 DI-MORPHISM, 33 Diseases of wheat, 85 Dock mould, 160 Dogwood blight, 174 _Dothidea ribis_, 36 Dust-brand, 76 Earth-nut brand, 64 Elongated corn rust, 95 —— smut, 84 Enchanter’s Nightshade rust, 112 _Endophyllum_, 20 —— (Descriptions), 194 Endospore, 40 Epispore, 40 _Erineum acerinum_, 170 _Erysiphe communis_, 173 —— (Descriptions), 220 —— _lamprocarpa_, 174 —— _Linkii_, 174 —— _Martii_, 173 —— _Montagnei_, 174 —— _tortilis_, 174 _Eurotium_ (Descriptions), 222 —— _herbariorum_, 177 Examining fungi, 183 Fern rust, 112 Fungi, species of, 45 Generations, alternation of, 38 Genus and species, 58 Germination of mildew, 55 —— of pea rust, 40 Goatsbeard cluster-cups, 3 —— smut, 82 —— white rust, 136 Goat-willow rust, 116 Golden-rose rust, 113 Gonosphere, 130 Gooseberry blight, 171 Ground-ivy brand, 59 Groundsel rust, 97 Guelder-rose blight, 171 _Gymnosporangium_ (Descriptions), 201 Hawthorn cluster-cups, 17 Hazel blight, 168 Herbarium mould, 177 —— of fungi, 182 Hop disease, 167 Hyphomycetes, 139 Inoculation, 9 Iris rust, 115 _Lecythea_, 107 —— _capræarum_, 117 —— (Descriptions), 206 —— _Lini_, 108 —— _longicapsula_, 118 —— _Rosæ_, 34, 107 Lettuce mould, 156 Line-like rust, 95 Long-stemmed rust, 114 Luzula rust, 104