118 A PLANT-DISEASE SUEVEY IN TEXAS. 



Page. 



Disease, Rhizoctonia, occurrence on plants in Texae 39, 40, 41, 42, 43, 44, 111 



DitJeases, plant, collections of specimens in region studied in Texa? 11-12 



literature, selected list 107-108 



relation to environmental factors in Texas 11, 22-23 



survey. See Survey, ])lant disease. 

 See also names of different plants and diseases. 



Dock, occurrence of dodder in Texas 94 



Dodder, occurrence on plants in Texas 83, 85, 87, 88, 89, 93, 94, 95, 97, 103 



Dogwood, occurrence of leaf-spot in Texas 65 



Drought, relation to plant diseases in Texas 20, 22, 23 



Earle, F. S., on occurrence of leaf-spot on hackberry in Alabama 69, 107 



Early blight. See Blight, early. 

 Echinochloa colona. See Rice, jungle. 



Edgerton, C. W., on diseases of plants 52, 55, 107 



Edwards Plateau, physiography and soils 12, 14, 22 



Eggplant, culture and diseases in Texas 20, 23, 39-40 



Elaeagnus sp. See Oleaster. 



Elder, box, diseases in Texas 59-60 



Elderberry, occurrence of leaf-spot in Texas 65 



Elephant's-ear, occurrence of blight in Texas 85-86 



Eleusine indica, use as forage crop in Texas 21 



Elevations, principal stations in region studied in Texas 12 



Ellis, J. B., and Anderson, F. W., on diseases of plants 91, 107 



Everhart, B. M., on diseases of plants 24, 



31, 43, 48, 49, 56, 57, 60, 61, 90, 96, 107 



Kellerman, W. A., on diseases of plants 61, 107 



Martin, G., on diseases of plants 60, 108 



Elm, diseases in Texas 65-67, 111 



Engler, A., and Prantl, K., on fungi 66, 108 



English ivy. See Ivy, English. 



Erigeron canadensis. See Fleabane. 



Erysiphe spp., occurrence on plants in Texas. . . 37, 41, 42, 45, 73, 90. 94, 95, 97, 98, 103 



Euonymus japonicus, diseases in Texas 68, 110, 111 



Euphorbia spp., occurrence of rust in Texas 94 



Eustoma russellianum. See Bluebell, Mexican. 



Evaporation, actual and average, for region studied in Texas 17-18 



Evening primrose. See Primrose, evening. 



Everhart, B. M., and Ellis, J. B., on diseases of plants 24, 



31, 43, 48, 49, 56, 57, 60, 61, 90, 96, 107 



Exosporium concentricum, occurrence on Euonymus japonicus in Texas 68, 111 



Eye-spot, occurrence on mulberry in Texas 74, 110, 111 



Fabraea macula ta, occurrence on the pear in Texas 30 



False dandelion. See Dandelion, false. 

 Feather grass. See Grass, feather. 

 Fiber plants. See Cotton. 

 Ficus carica. See Fig. 



Field, E. C, assistance in determination of species 11 



F'ield crops. See names of crops; as Cotton, Corn, etc. 



Fig, culture and diseases in Texas 19, 26-27, 55, 109 



Fire-blight. See Blight, fire. 



Fireweed, diseases in Texas 94-95 



226 



