227 



Leptogium, 194 

 Leptogium tremelloides, 195 

 Lichen, 3, 6, 8, n 

 Lichen-acids, 60, 61 

 Lichen-algae, 30 

 Lichen-starch, 6, 23, 85 

 Lichina, 201 

 Lichina confinis, 202 

 Lichenes imperfecti, 218 

 Licheniu, 6, 23, 46 

 Lichens, chemistry of, 70 



fossil, 30 



growth of, 70 



list of, 27 



parasitic, 33, 34 



syutrophy of, 33 

 Life-period, 94 

 Lindau, G., 29, 60 

 Lindsay, L., 2, 21 

 Linne, C., 8, 10 

 Litmus, 86 

 Liverworts, 3, 6 



TITAGNIN, A., 27 



L"- Male elements, 81 



Mallotium, 195 



Mallotium saturninum, 196 



Malpighi, M., 4 



Manna, 5 



Marchantia, 3 



Marine fungus, 3 



Massalonga, A., 19 



Massee, G., 103 



Mathiolus, P. A., 4 



Matiorolo, O., 103 



Mead, R., 10 



Mechanics, 70 



Mechanical adaptations, Si 



Medullary layer, 45, 48, 65 



Megalospora, 13? 



Megalospora sanguinaria, 138 



Metamorphosis, 18 



Meyer, G. F. W., 17, 18, 94 



Michaux, A., 15 



Micheli, P. A., 7, 8, 12, 16 



Microcosm, 38 



Microcystis, 143 



Microscope, compound, 16 



Midrib, 47 



Minks, A., 33, 34, 55, 71 



Mohl, H., 19 



Monas lens, 16 

 Monilia viridis, 16 

 Monoecious, 8r 

 Monographs, 15 

 Moosroschen, 16 

 Morison, R., 4, 6 

 Morphology, 40 

 Morton, J., 7 

 Mosses, 6, 9 

 Mucor, 33 

 Mudd, W., 20 

 Miihlenberg, H., 15 

 Musco-fungi, 6 

 Muscus, 6 

 Mutualism, 36 



contingent, 39 

 Mutualistic symbiosis, 36 

 Mycocalicium, 112, 114 

 Mycocalicium Curtisii, 112 

 Mycoporum, 149 

 Mycoporum pycuocarpum, 150 

 Mycorhiza, 35 



ectotrophic, 35 



endotrophic, 35 

 Myxomycetes, 33 



DECKER, N. J., 10 



* Nephroma, 47, 89, 212 

 Nephromium, 52, 212 

 Nephromium laevigatum, 213 

 Nostoc, 22, 36 



commune, 78, 100 



lichenoides, 25, 100 



muscorurn, 16 

 Nutricism, 35 

 Nylander, W., 20, 54, 62, 85 



OHLERT, 87 

 Oil-cells, 60 

 Oil-globules, 78 

 Omphalaria, 203 

 Omphalaria umbella, 204 

 Opegrapha, n, 146 

 Opegrapha demissa, 145 

 Opegrapha varia, 146 

 Orchids, 35 

 Orchil, 85 

 Orcin, 22, 86 

 Order characters, 103 

 Organs, propagative, 62 

 reproductive, 62 



