Part 68

Knaut, work of, 26, 39

Lang, on Griffith, 178-191

Lankester, E., 193

Lankester, Ray, on Schizomycetes, 265

Lawes, agriculture and, 235

---- Gilbert and, 235-236

---- on nitrogen assimilation, 267

Leaves, classification on form of, 21

---- movements of, 96-99

---- structure and functions of, 96-97

---- vernation of, 50

Leguminous nodules, Gilbert on, 239

---- ---- Hellriegel and, 240

---- ---- Ward on, 267

Lepidodendron, Williamson and, 258

Lichens, Ward on, 264, 270

Liebig, mineral theory of, 237-240

---- controversy with Gilbert, 238

Light on plants, Hales and, 80, 81

---- ---- Hill on, 97

Lily disease, Ward on, 266, 267

Lindley, John, life of, =164-177=

---- ---- activities of, 166

---- ---- J. Banks and, 168

---- ---- Botanical Register and, 174

---- ---- characteristics of, 177

---- ---- on cryptogams, 195

---- ---- on Darwin, 174