Henry, J.K.: Joseph Kaye Henry, 

 1866-1930, Canada 



Horton: James H. Horton, 

 1931- , United States 



Henry, L.: Louis Henry, 

 1853-1903, France (horticulture) 



Herd.: Ferdinand Gottfried Maximilian Theobold 



von Herder, 



1828-1896, Germany, Russia 



Herincq: Francois Herincq, 

 1820-1891, France 



Herrm., J.: J. Herrmann, 

 1738-1800, France 



Hesse: Hermann Albrecht Hesse, 

 1852-1937, Germany (dendrology) 



Hibb.: James Shirley Hibberd, 

 1825-1890, United Kingdom (horticulture) 



Hiern: William Philip Hiern, 

 1839-1925, United Kingdom 



Hildebr.: F.H.G. Hildebrand, 

 1835-1915, Germany 



Hill, J.: John Hill, 

 1716-1775, United Kingdom 



Hochst.: Christian Ferdinand Friedrich 



Hochstetter, 



1787-1860, Germany 



Hoffm., K.: Kathe Hoffmann, 

 1883-ca.l931, Germany 



Hoffmgg. : Johann Centurius von Hoffmannsegg, 

 1766-1849, Germany 



Holtt.: Richard Eric Holttum, 

 1895-1990, United Kingdom 



Hook.: William Jackson Hooker, 

 1785-1865, United Kingdom 



Hook.f.: Joseph Dalton Hooker, 

 1817-1911, United Kingdom 



Hoppe: David Heinrich Hoppe, 

 1760-1846, Germany 



Hort.: Hortorum (of gardens) or hortulanorum 

 (of gardeners) 



Horvath: Michael Henry Horvath, 

 fl. 1934, United States (Berberis) 



House, H.: Homer Doliver House, 

 1878-1949, United States 



Houtt.: Maarten Houttuyn, 

 1720-1798, Netherlands 



Houz. de Leh.: Jean Auguste JTippolyte Houzeau 



de Lehaie, 



1867-1959, Belgium (bamboo) 



Hu, H.H.: Hsen Hsu Hu (Xian Su Hu), 

 1894-1968, China (dendrology) 



Hu, S.Y.: Shiu-YingHu, 

 1910- , United States, China 



Hubb., F.T.: Frederic Tracy Hubbard, 

 1875-1962, United States 



Huds.: William Hudson. 

 1730-1793, United Kingdom 



Hull: John Hull, 

 1761-1843. United Kingdom 



Humboldt: Friedrich Wilhelm Heinrich Alexander 



von Humboldt. 



1769-1859, Germany, South America 



Hume: Hardrada Harold Hume, 

 1875-1965, United States, Canada (Ilex, 

 Camellia) 



Hutch.: John Hutchinson, 

 1884-1972, United Kingdom 



Hylander: Nils Hylander, 

 1904-1970, Sweden 



Hylmo: Bertil Hylmo, 

 1915- . Sweden 



Ingram, J.: John William Ingram, 

 1924- . United States (cultivated plants) 



Ito: Tokutaro Ito, 

 1868-1941, Japan 



Jack: William Jack, 

 1795-1822, United Kingdom 



225 



