AGRICULTURAL INDEX 



561 



Hedgehog grass. See Burgrass 

 Hedges 



Deciduous hedges. E. Molyneux. il Gard Chron 



iLond) 67:4;* Ja 31 '20 

 Evergreen hedges. E. Molyneux. Gard Chron 



(Lond) 67:1.'? .la Id '20 

 Evergreen hedges. C. Turner, il Gard Chron 



(Lond) 67:75 F 14 '20 

 Hedge for where you live. E. I. Farrington. 



il Gard M 31:23-6 Mr "20 

 Hedges and hedge plants. L. Cady. Minn Hort 



49:153-5 My '21 

 Hedges and stock. Live Stock J 93:345 Ap 8 



•21 

 Hedges for beauty and utility. R. Kent, il 



Field II 31:16-17 Ja '21 

 Hedges out of the ordinary. L. E. Theiss. il 



Am For 27:689-93 N '21 

 Removal of hedgerows. B. N. Wale. J Bd Ag 



25:1408-24 Mr '19 

 Rose hedges. Gard Chron (Lond) 66:149 S 



20 '19 

 Tour privet hedge and its shaping. C: Clark, 

 il Gard M 31:99 Ap '20 



.See also Landscape gardening; Sacchar- 

 um; Shrubs 

 Hedychium 

 Lirio do brejo (hedychium coronarium Koen.). 

 (In Fibras texteis e cellulose) il Brazil Min 

 Ag p 229-37 '19 

 Hedyosmum 

 Flower and seed of hedyosmum nutans. J. 

 G. Edwards, bibliog il Bot Gaz 70:409-24 

 D '20 

 Heilipus lauri. See Avocado weevils 

 Helenium. See Sneezeweed 

 Helen's birthday celebration; story. E. Sim- 



monds. Ohio F 147:810 Je 25 '21 

 Helianthus. See Sunflowers 

 Helianthus tuberosus. See Artichokes 

 Helichrysum coralloldes. See Coral shrubs 

 Heliothis obsoleta. See Corn earworms 

 Heliotropes 

 Propagating standard heliotropes. Gard 

 Chron (Lond) 70:97 Ag 20 '21 

 Heliotropism 

 Tropismen und excentrisches dickenwachstum 

 der baume, by A. Engler. Review. J For 16: 

 715-19 O '18 

 Helmer, Paul A. 

 President of the Alsatian potash society, por 

 Am Fert 54:63 Je 4 '21 

 Helminthosporium 

 Helminthosporium disease of wheat and rye. 

 L. J. Stakman. il Minn Ag Exp B 191:1- 

 18 '20 

 Helobieae 

 Leaves of the helobieae. A. Arber. bibliog 

 il Bot Gaz 72:31-8 Jl '21 

 Helvella 

 Massachusetts species of helvella. P. J. An- 

 derson and M. G. Ickis. bibliog il Mycol 13: 

 201-29 Jl '21 

 Hemerocallis 

 Notes on hemerocallis. N. M. Grier. Torreya 



21:12-13 Ja '21 

 Sterility and fertility in species of hemerocal- 

 lis. A. B. Stout, il Torreya 21:57-62 Jl '21 



Hemerocampa leucostigma. See White-marked 

 tussock moths 



Hemerophlla parlana. See Apple and thorn 



skeletonizers 

 Hemileuca. See New Mexico range caterpillars 

 Hemlptera 

 Injuries to beans in the pod by hemipterous 

 insects. L M. Hawley. J Econ Entom 13: 

 415-16 O '20 

 New records of aquatic hemiptera for the 

 United States, with description of new 

 species. J. R. de la Torre-Bueno. Entom 

 News 32:273-6 N '21 

 New species of hemiptera chiefly from Cali- 

 fornia. E: P. Van Duzee. (Pro. 4th ser. v. 8, 

 no. 7) 271-308P '18 Cal. Academy of sci- 

 ences, San Francisco (30c) 



See also Cicadas; Hemoptera; Lace bugs; 

 Plant lice; Water striders 



Hemlock 



Creosote treatment of .lack pine and eastern 

 hemlock for cross-ties. "VV. Kynoch and 

 J. A. Coderre. (Forestry branch B. 67) 24p 

 il '19 Canada Dept. of interior, Ottawa 



Weeds and their identiflcation; hemlock 

 (conium maculatum 1.) E. H. Atkinson. 11 

 J Ag New Zealand 21:115-19 S '20 



Diseases and pests 



Influence of thinning on western hemlock 

 and grand fir infected with echinodontium 

 tinctorium. J. R. Weir and E. E. Hubert. 

 J For 17:21-35 Ja '19 

 Undescribed timber decay of hemlock. E. 

 West. Mycol 11:262-6 S '19 

 Hemolysins 

 Nature of hemolysins. J. T. Connell and L. E. 

 Holly. J Bact 6:89-102 Ja '21 

 Hemoptera 

 Hemopterological gleanings, no. 1. Z. P. Met- 

 calf. Entom News 32:237-8 O '21 

 Hemorrhagic septicemia 

 Bovine hemorrhagic septicaemia. C: A. 

 Mitchell, bibliog il Can Vet Record 2:1-5 Je 

 '21 

 Hemorrhagic septicemia. Breeder's Gaz 74: 



539 O 3 '18 

 Hemorrhagic septicemia. Hoard's D 62:442 O 



28 '21 

 Hemorrhagic septicemia. G. E. Jorgenson. 



Am Vet M Assn J 54:738-40 Mr '19 

 Hemorrhagic septicemia. C: Murray, il Wal- 

 laces' F 44:718 Mr 21 '19 

 Hemorrhagic septicemia and its control in 

 Pennsylvania. J. B. Hardenbergh and F. 

 Boerner, jr. Pa Ag Dept B v 1 (Gen. B. 315): 

 1-14 Ag '18 

 Hemorrhagic septicemia and its control, with 

 special reference to the Nebraska experi- 

 ments. A. Eichhorn. Am Vet M Assn J 59: 

 89-98 Ap '21 

 Hemorrhagic septicemia in hogs. G. A. 

 Johnson. Am Vet M Assn J 55:675-7 S '19 

 Hemorrhagic septicemia in horses. J: Pat- 

 terson. Am Vet M As.sn J 55:206-9 My '19 

 Hemorrhagic septicemia in sheep. I. E. New- 



som. il Colo Ag Ext B 154A:1-10 '19 

 Hemorrhagic septicemia in swine. R. Gra- 

 ham. Swine World 6:10 Jl 5 '19 

 Hemorrhagic septicemia vaccines or bacterins. 

 W. E. King, bibliog Am Vet M Assn J 59: 

 99-104 Ap '21 

 Immunizing value of commercial vaccines and 

 bacterins against hemorrhagic septicemia. 

 L. Van Es and H. M. Martin. Neb Ag Exp 

 Research B 17:1-19 '20 

 Immunizing value of heat-killed hemorrhagic 

 septicemia bacilli. R. Graham and H. 

 Schwarze. Am Vet M Assn J 59:546-57 

 Ag '21 

 Nebraska hemorrhagic septicemia experiments 

 and the critics. L. Van Es and H. M. Mar- 

 tin, bibliog Am Vet M Assn J 58:572-89 F 

 '21 

 Swine plague or hemorrhagic septicemia. R. 

 Graham. O Judd Farmer 67:307 S 6 '19 



Hemp 



Bowstring hemp (sanseviera) and its indus- 

 trial applications. G. E. Mattel. Int R Sci 

 & Prac Ag 10,no 10:1142-3 O '19 



Complete reversal of sex in hemp. J: H. 

 Schaffner. Science (Science Press, Garrison, 

 N.Y. 15c) n s 50:311-12 S 26 '19 



Fabrics from nettle and hemp, il Textile 

 World (334 4th av. N.Y. $3 per yr.) 55: 

 1441-1- Mr 1 '19 



Hemp hai-vester. il Int R Sci & Prac Ag 9,no 

 7:877-8 Jl '18 



Influence of environment on sexual expres- 

 sion in hemp. J: H. Schaffner. bibliog il 

 Bot Gaz 71:197-219 Mr '21; Summary. Sci 

 Am Monthly (233 Broadway, N.Y. 60c) 4:82 

 Jl '21 



Study on the African Da hemp (hibiscus can- 



nabinus) ; its value for paper makmg. F. 



Heim and others. Int R Sci & Prac Ag lO.no 



10:1140-1 O '19 



See also Indian hemp; New Zealand hemp 



