Oct. i, 1920-Mar. is, 1921 



Index 



899 



Laiuca sativa — Page 



host of Sclerotinia minor 33 1-334 



transmissible mosaic disease 737 - 74° 



Leafhopper, beet. See Euteitix tenella. 



LeConte's Sawfly, an Enemy of Young Pines 



(paper) 741-760 



Leek. See A Ilium porrum. 



Leguminous plants, nodule bacteria 543-556 



Lemon leaves, composition 167-174 



Lenticels, hypertrophied, on the roots of coni- 

 fers 253-266 



Lepidoptera resembling pink bollworm. . . . 807-836 



Lettuce. See Latuca saliva. 



Leucin in potato sprouts 624 



Life history and habits of the beet leafhop- 

 per 245-252 



Ligustrum aurea, composition of green and 

 albino leaves 182 



Lime — 

 carbonate, effect on availability of iron in 



soil 47-49 



cause of chlorosis in plants 33-62 



chlorinated, influence on effect of copper 



sulphate in water 202 



effect on — 



availability of potassium 617 



growth of rice 44-47 



in plants grown with ferrous sulphate and 



gypsum 42 



in plants grown with sodium bicarbonate 

 and sprayed with lime and iron salts 46 



Limnaea — 

 bulimoides, susceptibility to copper salts. . 199-200 

 (Galba) bulimoides, susceptibility to various 



salt solutions 196-208 



proximo, rowelli, susceptibility to copper 



salts 199 



spp., intermediate hosts of flukes 193-208 



Liver flukes, control by destruction of inter- 

 mediate host 193-208 



Loblolly pine. See Pinus taeda. 



Locust, black, nodule bacteria cultures, effect 

 on milk 550 



Lohnis, F., and Hansen, Roy (paper): Nod- 

 ule Bacteria of Leguminous Plants 543-556 



Longleaf pine. See Pinus palustris. 



Lung flukes, control by destruction of inter- 

 mediate host 193-208 



Lupine nodule bacteria cultures, effect on 

 milk SS o 



Lupinus — 



angustifolius, calcifugous 34 



luleus, calcifugous nature 34 



Lycaenidae, pests of Malvaceae 834 



Lysin in potato protein 624 



McCool, M. M., and Bouyoucos, George J. 

 (paper): Measurement of the Amount of 

 Water That Seeds Cause to Become Unfree 

 and Their Water-Soluble Material 587-593 



Macrosporium — 



parasiticum, parasite of Allium spp 6S7-68S 



porri, parasite of Allium spp 687-688 



Magnesia in plants grown with — 



ferrous sulphate and gypsum 42 



sodium bicarbonate and sprayed with lime 

 and iron salts 46 



Magnesium — Page 



in bean seedlings g*g 



in cropped and uncropped soils 663-667 



in normal and mottled citrus leaves 166-190 



in soil extract 387-394 



in southern poultry feeds I43 



oxid in potato tubers, skins, and sprouts. . . 633 



Magness, J. R., and Hawkins, Lon A. (paper): 

 Some Changes in Florida Grapefruit in 



Stora e e 357-373 



Maize. See Zea mays. 



Malus coronaria, influence of cold in stimu- 

 lating growth (PI. 22) 151-160 



Mahastrum — 



spicalum, food plant of Crocidosema ple- 



beiana g 22 



sp., food plant of Telphusa mariona 81a 



Malvaviscus drummondii, food plant of — 



Bagisara reclifascia g,* 



Crocidosema plebeiana g 22 



Heliothis obsoleta 8,, 



Meskea thyridinae 828-829 



Platynota roslrana g 2I 



Manganese — 

 chlorid, effect on formation of potato tubers 1 . 633 

 in normal and mottled citrus leaves 167 



Mankatta ostrtnella. Syn. Moodna ostrinella. 



Maple. See Acer negundo. 



Maritime pine. See Pinus pinaster. 



Marsh, C. Dwight, and Clawson, A. B. (pa- 

 per) : Daubentonia longifolia (Coffee Bean) , 

 a Poisonous Plant 507-514 



Martin, J. C, and Stewart, G. R. (paper): 

 Effect of Various Crops upon the Water 

 Extract of a Typical Silty Clay Loam 

 Soil 663-667 



Martin, J. C, and Hoagland, D. R. (paper): 

 Effect of Season and Crop Growth on the 

 Physical State of the Soil 397-404 



Martin, J. C, et al. (paper): Relation of the 

 Soil Solution to the Soil Extract 381-395 



Measurement of the Amount of Water That 

 Seeds Cause to Become Unfree and Their 

 Water-Soluble Material (paper) 587-593 



Medicago — 

 denticulata, host of Urophlyctis alfalfae in 



Argentina 296 



falcata, host of Urophlyctis alfalfae 296 



sativa, host of — 



Gibberella saubinetii 16 



Urophlyctis alfalfae 295-324 



Melania, intermediate host of Paragonimus, 

 Metagonimus, and Clonorchis 198 



Melanotaenium alismatis. Syn. Physoderma 

 maculare. 



Melilotus alba, growth of Gibberella saubinetii 

 cultures on 18 



Melon fly. See Bactrocera cucurbitae. 



Mentha aquatica, host of Physoderma menthae. 313 



Meraporus — 



calandrae, parasite of Sitophilus oryza 422 



reguisitus, parasite of Sitophilus oryza 422 



utibilis, parasite of Sitophilus oryza 422 



Mercuric bichlorid, toxity to snails 196 



Meskea dyspteraria, similarity to Pectinophora 

 gossypiclla 828-829 



