716 



AGRICULTURAL INDEX 



Plant cells and tissues — Continued 

 Studies of protoplasmic permeability by 



measurement of rate of shrinkage of tvirgid 



tissues; the influence of temperature on the 



permeability of protoplasm to water. E. M. 



Delf. Ann Bot 30:283-310 Ap '16 

 Stvidies on exosmosis. S. C. Brooks, bibliog 



Am J Bot 3:483-92 N '16 

 Studies on nviclear division in desmids; 



hyalothea dissiliens (Sm.) Breb. E. Acton. 



il Ann Bot 30:379-82 Jl '16 

 Study of permeability by the method of tissue 



tension. S. C. B^ooks. bibliog Am J Bot 3: 



562-70 D '16 

 Wandering tapetal nuclei of arisaema. F. L. 



Pickett, il Am J Bot 3:461-9 O '16 



Photomicrographs 



Life within the plant; photomicrographs by 

 Florence G. Rogers, il Country Life 31:64 D 

 '16 



Plant chemistry. See Plants, Chemical analysis 

 of 



Plant diseases. See Plants — Diseases and pests 



Plant fluids. See Sap 



Plant fumigation 

 New tent-frame for plant fumigation. P. J. 

 Wester, il Philippine Ag R 9,no 4:354-6 '16 



Plant geography. See Botany — Ecology; Forest 

 ecology; Geographical distribution of an- 

 imals and plants 



Plant growth. See Growth (plants); Soils and 

 plant growth 



Plant introduction 



Adding to our economic flora. J. W. Poynton. 

 J Ag New Zealand 15:267-75 N '17 



Annual catalogue of plant immigrants; many 

 additions to our food plants. D: Fairchild. il 

 J Heredity 8:500-8 N '17 



Arnold arboretum — what it is and does. C. S. 

 Sargent, il Gard M 26:122-5 N '17 



Century of certificated plants introduced from 

 China. E. H. Wilson. Royal Hort Soc J 42, 

 pt 1:35-8 O '16 



China a fruitful field for plant exploration. 

 F. N. Meyer, il map U S Ag Yearbook 1915: 

 205-24 



Chinese plants for America. D. Wylie. il 

 Country Life 31:86b-h N '16 



Exclusion legislation and fruit tree produc- 

 tion. V. B. Stewart. Phyt 8:360-4 Jl '18 



Inventory of seeds and plants imported by 

 the Office of foreign seed and plant intro- 

 duction dui-ing the period from January 1 

 to March 31, 1914. il U S Ag B P I Inven- 

 tory 38:1-105 '17 



Inventorv of seeds and plants imported by 

 the Office of foreign seed and plant in- 

 troduction during the period from April 1 

 to June 30. 1914. 11 U S Ag B P I Inventory 

 39:1-187 '17 



Inventorv of seeds and plants imported by 

 the Office of foreign seed and plant intro- 

 duction during the period from July 1 to 

 Sept. 30, 1914. il U S Ag B P I Inventory 

 40:1-110 '17 



Inventory of seeds and plants imported by 

 the Office of foreign seed and plant intro- 

 duction during the period from Oct. 1 to 

 Dec. 31, 1914. il U S Ag B P I Inventory 41: 

 1-64 '17 



Inventory of seeds and plants imported by the 

 Office of foreign seed and plant introduction 

 during the period from January 1 to March 

 31, 19i5. il U S Ag B P I Inventory 42:1-123 

 '18 



Inventory of seeds and plants imported by the 

 Office of foreign seed and plant introduction 

 during the period from April 1 to June 30, 

 1915. il U S Ag B P I Inventory 43:1-97 '18 



Inventory of seeds and plants imported by the 

 Office of foreign seed and plant introduc- 

 tion during the period from July 1 to Sep- 

 tember 30, 1915. il U S Ag B P I Inventory 

 44:1-71 '18 



New Chinese trees and shrubs for the Pacific 

 slope and other favored regions. E. H. 

 Wilson, il Gard M 22:197-200 Ja '16 



New herbaceovxs plants from China. E. H. 

 Wilson, il Gard M 23:226-9 My '16 



New horticultural crops for our scant food 

 supply. U. P. Hedrick. Mass Hort Soc 

 Trans 1918, pt 1:51-64 '18 



New plant immigrants. Rural N Y 75:197, 815, 

 1033 F 5, My 27. Jl 29 '16 



New plants from China. Gard Chron Am 20: 

 278 Je '16 



Plant-introduction gardens of the Depart- 

 ment of agriculture. P. H. Dorsett. il U S Ag 

 Yearbook 1916:135-44; Same. Separate 687 , 



Plant introduction opportunities open to all 

 the Americas. D: Fairchild. (/n Pan Amer- 

 ican scientific congress Pro., 1915, v. 3, p. 

 503-10) '17 



Seeds and plants imported into United States, 

 1913. Int R Sci & Prac Ag 7,no 4:523-5 Ap 

 '16 



Seeds and plants introduced into the United 

 States by the Bureau of plant industry of the 

 Department of agriculture during the second 

 half of 1913. Int R Sci & Prac Ag 8,no 1:34-42 

 Ja '17 



Some of the broader phytopathological prob- 

 lems in their relation to foreign seed and 

 plant introduction. B. T. Galloway. Phyt 8: 

 87-07 Mr 'IS 



Two Peruvian root crops. Rural N Y 75:1053 

 Ag 5 '16 



See also Agricultural exploration 

 Plant juices. See Sap 

 Plant lice 



African aphididae. F. V. Theobald. Int R Sci 

 & Prac Ag 9,no 4:521-2 Ap '18 



Alternation of hosts in economic aphids. W. 

 M. Davidson, bibliog J Econ Entom 11:289- 

 93 Je '18 



Ants and aphids. il J Heredity 8:363-5 Aet '17 



Aphid eggs in Texas. H. C. Yingling. J Econ 

 Entom 10:223 P '17 



Aphid of choke cherry and grain. E. M. 

 Patch, il Maine Ag Exp B 267:293-7 '17; 

 Same. Maine Ag Exp Rep 1917:293-7 



Aphides and their eggs. J. G. Blakey. il Gard 

 Chron (Lond) 60:275, 294-5 D 9-16 '16 



Aphides or plant lice. N. R. Elliott, il Ky 

 Ag Ext C 57:1-8 '18 



Aphididae of California; new species of aphi- 

 didae and notes from various parts of the 

 state, but chiefly from the campus of the 

 University of California. E. O. Essig. Cal 

 Univ Pub Entomology v 1, no 7 301-46p il 

 '17 (45c) 



Aphidoletes meridionalis, an important dip- 

 terovis enemy of aphids. J: J. Davis, il J Ag 

 Research 6:883-8 S 4 '16 



Aphids injurious to orchard fruits, currant, 

 gooseberry and grape. A. L. Quaintance and 

 A. C. Baker, il Farmers' B 804:1-42 '17 



Aphis bakeri and some allied species. C. P. 

 Gillette and L. C. Bragg. J Econ Entom 

 11:328-33 Je '18 



Aphis on farm crops. E. B. Stookey. West- 

 ern Wash Ag Exp B v 6:49-51 Jl '18 



Aphis parasite feeding at puncture holes 

 made by the ovipositor. L. P. Rockwood. J 

 Econ Entom 10:415 Ag '17 



California green lacewing fly. V. L. Wilder- 

 muth. bibliog il J Ag Research 6:515-25 Jl 

 3 '16 



Cat-tail rush, typha latifolia, as a summer 

 host of injurious insects. W. M. Davidson, il 

 Cnl State Comm Hort B v 6:64-5 F '17 



Catalogue and host list of the anoplura. G. F. 

 Ferris. (Pro. v. 6, no. 6) 129-213p 50c '16 

 California academy of sciences, San Fran- 

 cisco 



Control of plant lice in the vegetable garden. 

 H. D. Brown, il 111 Ag Exp C 227:1-4 '18 



Controlling aphis on lettuce. Market Growers 

 J 22:149 F 15 '18 



Controlling plant lice. Market Growers J 21: 

 96 S 1 '17 



Controlling plant lice. O Judd Farmer 64:513 

 My 11 '18 



Development of the phylloxera vastatrix leaf 

 gall. H. R. Rosen, bibliog il Am J Bot 3: 

 337-60 Jl '16 



Eastern aphids: a few species of prociphilus; 

 and aphid food plant catalogue, including 

 plants from the rose family to the parsley 

 familv. E. M. Patch, il Maine Ag Exp B 

 270:45-100 '18 



