AGRICULTURAL INDEX 



703 



Perennials — Continued 

 Flower in the hardy perennial border. Gard 



Chron Am 22:189 Jl '18 

 Hardy asters and other decorative varieties of 



perennials for the autumn garden. {In On- 

 tario horticultural societies, 11th annual re- 

 port, 1916, p. S3-8) il '17 Ontario ag. dept., 



Toronto, Canada 

 Hardy herbaceous perennials. Gard M 25:88 



Mr '17 

 Hardy perennials and biennials. H: Wild, il 



Gard Chron Am 21:161-2 Ap '11 

 Hardy perennials for autumn. W: Saville. 11 



Am Flor 4S:Sri7-900 My 12 '17 

 Hardy perennials for cutting. A. A. Leach. Am 



Flor 48:846 My 5 '17 

 Hardy shrubs and herbaceous perennials. 



F. W. Brodrick. Minn Hort 46:446-8 D '18 

 Hei'baceous perennials for cut flowers; with 



discussion. W: Toole. AVis Hort Soc Rep 



1917:57-64 

 Herbaceous perennials we should grow. A. H. 



Nehrling. Mass Hort Soc Trans 1917, pt 1: 



47-55 '17: Same. Gard Chron Am 21:97-8 Mr 



'17; Same. Am Flor 49:487-9 S 22 '17 

 New and desirable herbaceous plants. A. E. 



Thatcher, il Gard Chron Am 20:391-3 S '16 

 New herbaceous plants from China. E. H. 



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

 Pay your money and take your choice; newer 



iris and other hardy perennials. F. M. 



Thomas, il Gard M 26:17-19, 53-4 Ag-S '17 

 Perennial garden at Carmarken, White Bear. 



J. "W. Taylor. Minn Hort 44:441-4 D '16 

 Perennials and others. G. Tabor, il Country 



Life 31:34-6 Mr '17 

 Perennials for busy people. Mrs H. B. Tillot- 



son. il Minn Hort 45:128-31 Mr '17 

 Perennials for succession of bloom. E. Herrick. 



il Gard M 25:167-8 Ap '17 

 Planning a hardy herbaceous perennial 



border. W. E. Groves. Gard Chron Am 22: 



167 Je '18 . 

 Planting a garden for autumn; descriptive list 



of flowers. N. Taylor. Gard M 23:165-6 Ap 



'16 

 Planting and care of hardy perennials. G. E. 



Kimball. Minn Hort 44:471-2 D '16 

 Preparation of ground for and general treat- 

 ment of hardv herbaceous perennials. H. E. 



Downer. Gard Chron Am 20:231-3 My '16 

 Raising perennial seedlings. J. H. Sperry. il 



Country Gent S2:601 Mr 24 '17 

 Raising perennials from seed. G: W. Kerr. 11 



Gard M 25:56 F '17 

 Serious disease of cultivated perennials caused 



bv sclerotium rolfsii. G: L. Peltier, il 111 Ag 



Exp C 187:1-4 '16 

 Shade trees, hardy shrubs, roses, perennials 



and other ornamental plants recommended 



for Maine. C. L. Wilkins and S. H. Eaton. 



il Maine Ag Dept B v 15:26-30 S '16 

 Start hardy perennial plants in the spring. 



G: W. Kerr, il Country Gent 81:1082 My 20 



•16 

 Starting a nucleus for a collection of peren- 

 nials. A. T. Thomson, il Art "World (2 W. 



45th St, N.T. 35c) 3:442-4 F 'IS 

 Ten perennial flowering plants. Wis Hort Soc 



Rep 48:50-5 '18 

 What to plant and how to care for hardy 



plants, shrubs and trees. C: A. Green, il 



Green's Fruit Grower 37:1 Ja '17 



firr also names of plants, e.g. Asters, 



Dahlias, Delphiniums, Gunnera, Pentstem- 



ons. Peonies, Phlox 

 Perfumery 

 Colour changes due to micro-organisms in the 



distillates of plants and flowers. R. Guyot. 



Int R Sci & Prac Ag 7,no 4:593 Ap '16 

 Pergolas 

 Garden pergola. H. A. Roberts. Country Gent 



81:978 My 6 '16 

 Pergola — its use and misuse, convenience and 



expense. C: H. Ramsdell. il Minn Hort 44: 



329-32 S '16 

 Pergolas, il Gard Chron (Lond) 62:175-6, 187 



N 3-10 '17 

 Permanent pergola with iron posts embedded 



in concrete. H. L. Knight and H. D. Lang. 



11 Country Gent 81:799 Ap 8 '16 

 See also Summer houses 



Pericarditis 



Traumatic pericarditis and surgical removal 

 of the causative agent. W. F. Burleigh. Am 

 Vet M Assn J 48:739-41 Mr '16 

 Peridermlum 



Identity of peridermlum fusiforme with peri- 

 dermlum cerebrum. G: G. Hedgcock and 

 \V. H. Long, il J Ag Research 2:247-50 Je 

 '14 



Identity of peridermlum montanum with peri- 

 dermlum acicolum. G: G. Hedgcock. Phyt 

 6:64-7 F '16 



Inoculation experiments with peridermlum 

 montanum. J. R. Weir and E. E. Hubert. 

 Phyt 6:68-70 F '16 



New species of peridermlum. G: G. Hedgcock 

 and N. R. Hunt. Mycol 9:230-42 .11 '17 



Notes on peridermiums from Ohio. R. G. 

 Pierce. Phyt 8:292-4 Je '18 



Notes on the anatomy of peridermivim galls. 

 A. Stewart, il Am J Bot 3:12-23 Ja '16 



Occurrence of peridermlum balsameum in 

 Washington. H: Schmitz. Phyt 6:369-71 Ag 

 '16 



Peridermlum harknessii and cronartium quer- 

 cuum. E. P. Meinecke. 11 Phyt 6:225-40 Je 

 '16 



Serious disease in forest nurseries caused by 

 peridermlum filamentosum. J. R. Weir and 

 E. E. Hubert. J Ag Research 5:781-5 Ja 24 

 '16 



Two new hosts for peridermlum pyriforme. 

 G: G. Hedgcock and W: H. Long, il J Ag 

 Research 5:289-90 N 15 '15 

 See also Pine blister rust 

 Periodicals 



Appeal to use influence against destructive 

 legislation. N Y Prod R 45:944 Ap 24 '18 



<S'ee also Agricultural periodicals; Ameri- 

 can journal of physical anthropology 

 Periodicals as text-books 



Teacher's experience. O. Adams. Nat Stock & 

 F 41:421 Jl 28 '17 

 Periodicity 



Periodicity in tropical trees. W: Crocker. Bot 

 Gaz 62:244-5 S '16 

 Permeability 



Chemical composition of the plant as further 

 proof of the close relation between antago- 

 nism and cell permeability. D. D: Waynick. 

 Cal Univ Pub Ag Sci v 3, no 8 135-242p, 13- 

 24pl '18 (31.25) 



Contributions to our knowledge of protoplas- 

 mic permeability. C: A. Shull. Bot Gaz 66: 

 388-90 O '18 



Decrease of permeability produced by anes- 

 thetics. W. J. V. Osterhout. Bot Gaz 61:148- 

 58 F '16 



Does the temperature coefficient of permea- 

 bility indicate that it is chemical in nature? 

 W. J. "V. Osterhout. Bot Gaz 63:317-20 Ap '17 



Geotropism and the Weber-Fechner law. J. 

 Small. Ann Bot 31:313-14 Ap '17 



Influence of immersion in certain electrolytic 

 .solutions upon pemieabilitv of plant cells. 

 M. Williams. Ann Bot 32:591-9 O '18 



Methods of studying permeability of proto- 

 plasm to salts. S. C. Brooks, bibliog Bot 

 Gaz 64:230-49 S '17 



New method of studying permeabilitv. S. C. 

 Brooks, diags Bot Gaz 64:306-17 O "17 



Normal and abnormal perineabilitv. W. J. V. 

 Osterhout. Am J Bot 2:93-4 F '15 



Permeability of certain plant membranes to 

 water. F. E. Denny, bibliog il Bot Gaz 63: 

 373-97 My '17 



Permeability of membranes as related to 

 their composition. F. E. Dennv. bibliog 

 Bot Gaz 63:468-85 Je '17 



Permeability of the cell walls of allium. S. C. 

 Brooks. Bot Gaz 64:509-12 D '17 



Quantitative measurement of permeability. W. 

 Stiles and I. Jorgensen. bibliog Bot Gaz 

 65:526-34 Je '18 



Similarity in the effects of potassium cyanide 

 and of ether. W. J. V. Osterhout. Bot Gaz 

 63:77-80 Jq '17 



Structure of the integumentary system of the 

 barley grain in relation to localized water 

 absorption and semi-permeability. E. J. 

 Collins, bibliog Ann Bot 32:381-414 Jl '18 



