226 



Growth, horizontal, 72 



intercalary, 74 



of thallus, 71, 72 



types of, 72 



vertical, 73 

 Giimbel, 86 

 Guys, direct, 83 



lateral, 84 

 Gyalecta, 139 

 Gymnocarpi, 15 

 Gyrophora, 23, 49, 83, 141 

 Gyrophora Dillenii, 84 

 Gyrophora Miihlenbergii, 142 

 Gyrophora pustulata, 84 

 Gyrostomum, 184 

 Gyrostomum scyphuliferum, 184 



TTAEMATOMMA, 162 



Haematomma ventosa, 163, 164 

 Haemoptysis, 10 

 Hagen, C. G., n 

 Hair-cells, 35 

 Hair powder, 5 

 Haller, A., 15, 52 

 Haustoria, 48 

 Hazslinskya, 145 

 Hazslinskya demissa, 146 

 Hedwig, J., 13 

 Heuneguy, F., 27 

 Heppia, 206 

 Heppia Despreuxii, 207 

 Heteromerous, 18, 24 

 Heterothecium, 137 

 Hill, J. A,, 8 



Histological characters, 109 

 History, i 



Hoffmann, G. F., 12 

 Hollow cylinder, 51, 82 

 Homoemerous, 18 

 Hook, R., 7 

 Hornschuch, 16 

 Hue, A. M., 27 

 Humboldt, n 

 Hydrophobia, 10 

 Hydrothyria, 

 Hydrothyria venosa, 197 

 Hymenial gonidia, 68 

 Hypophloeodal, 49 

 Hypothallus, 71 

 Hypotheciuin, 64 

 Hysterium, 98 



ICELAND MOSS, 23 



Individualism, 28, 37 

 Insects, 62 



Intercalary growth, 74 

 Interference, mechanical, 34 

 Intracellular haustoria, 44, 45 

 Iodine, 63 



Iodine reaction, 106 

 Iron, 86 

 Isidium, 218 

 Isolichenin, 46 

 Itzigsohn, H., 21 



J 



ATTA, A., 27 

 Jaundice, 10 



Johow, P., 103 

 Jolyclerk, N., n, 12 

 Jumelle, H., 26, 38, 85 



T7EY, 108 



" Korber, G. W., 19 

 Krempelhuber, i 

 Kuntze, O., 120 



T AMARCK, M., 12 

 ^ Layer, algal, 43 

 Layer, cortical, 42, 49 



medullary, 65 



tegumentary, 41 

 Layers, of thallus, 48 

 Leaf, 47 



Lecanora, 5, 34, 164 

 Lecanora esculenta, 5, 6 

 Lecanora gelida, 55 

 Lecanora Hageni, 165 

 Lecanora ventosa, 94 

 Lecidea, 132, 135 

 Lecidea immersa, 16 

 Lecidea melancheima, 135 

 Lecidea verualis, 34 

 Lecideaceae, 128 

 Lecidiopsis, 133 

 Lecothecium, 182, 200 

 Lecothecium nigrum, 201 

 Leguminosae, 36 

 Leighton, W. A., 27, 62 

 Lenses, 7 

 Lenticels, 54 

 Lepra, 217 



Lepra viridis, 39, 217 

 Leprariaceae, 217 



