SUBJECT INDEX 



519 



Laminaria, 469 



digitata, 469 



saccharina, 469 

 Laviproderma violaceum, 211 

 Larch, 300, 303, 452 

 Larix, 303 



decidna, 302 

 Lasiosphaeria pezizula, 452 

 Lasius 



fuliginosus, 452, 453 



innbratus, 453 

 Late blight of potato, 111, 177, 221, 



419 

 Latitude and geographic distribu- 

 tion, 401-402, 407, 408, 409 

 Lauraceae, 298 

 Lead, 476 



Leaf rust of wheat, 170 

 Leather, 389 

 Leathery fungi, 176 

 hecanidion atratum, 188, 192, 206 

 Lecaminn viride, 446-441 

 Lecanosticta, 216 

 Lecithinase, 40 

 Leguminosae, 298, 402, 407 

 Lenticels, 236, 246 

 Lentimis, 409 



atticolus, 453 



cartilaginens, 454 



lepidens, 101, 103, 126, 148, 200 

 Lenzites, 202 



berkeleyi, 102 



betulina, 101, 410 



saepiaria, 26, 41, 52, 99, 103, 155, 

 151, 158, 229 



tigrimis, 99 



trabea, 101, 103 

 Lenzithes gastaldii, 486 

 Leocarpus, 398 

 Leotia chlorocephala, 158 

 Lepidodendron, 481, 483, 485 



aculeatiim, 481 

 Lepidoderma tigrinwn, 211 

 Lepidoptera, 173 

 Lepiota 



cepaestipes, 228, 230 



cygnea, 409 



morgcmi, 343, 345 



naucma, 344 



procera, 339, 345, 352, 409 

 Leptinotarsa decemlineata, 174 

 Leptolegnia, 4, 180 



subterranea, 431 



Leptomitus lactens, 4, 19, 20, 22 

 Leptosphaeria 



acuta, 192, 207 



chondri, 469 



coniothyriwn, 174 



herpotrichoides, 281-282 

 Leptosphaerites lemomii, 485 

 Leptostrovia camelliae, 205, 206 

 Leptostylus macidata, 173 

 Lethal factors, 335 

 Lettuce, 237 

 Leucine, 22, 23 

 Leveilhda tanrica, 253 

 Levulose, 18, 19, 42, 65 

 Lice, 172 



Lichens, 297, 390, 466 

 Light, 210, 231-232, 308, 470 

 Lignin, 43, 44, 50 

 Ligninase, 46, 41 

 Lilac, 203 

 Liliaceae, 298 

 Lilies, 237 



Lima-bean-pod spot, 443 

 Lime, 143, 398 

 Limpets, 468 

 Lineolic acid, 80 

 Linospora, 137 



gleditsiae, 193, 232 

 Lipase, 40, 41, 46, 41, 48, 50 

 Lithopythhnn ganglitf orme , 460 

 Litrophilic fungi, 160-161 

 Littorina, 469 



planacis, 468 

 Liverworts, 298 

 Lolhtm 



perenne, 305, 316, 358 



temulentwn, 305, 316 

 "Long roots," 301 

 Long-cycled rusts, 407 

 Longleaf pine, 258 

 Loose smuts, 272 

 Lophoderminm pinastr'i, 26, 405 

 Lophophyton, 384 

 Low temperatures, 103-108, 227 

 Lucif erase, 40, 138 

 Luciferin, 138 



Luminescence, 137-138, 329, 345 

 "Lumpy jaw," 374 

 Lupine, 402 

 Luteic acid, 79 

 Lycogala 



epidendritm, 82 



fzisco-fiavum, 398 



