38 BULLETIN 250, U. S. DEPARTMENT OF AGRICULTURE. 



Page. 



Hickory, Pignut (Ilicoria glabra [Mill.] Britton) 15 



Hickory, Shagbark (Hicoria ovata [Mill.] Britton) 15 



Holly, American White (Ilex opaca Ait.) 16 



Honeysuckle, Bush (Diervilla diervilla [L.] MacM.) 13 



Hornbeam, American (Carpinus caroliniana Walt.) 16 



Hop Hornbeam (Ostrya virginiana [Mill.] Willd.) 16 



Huckleberry, Highbush (Gaylussacia baccata (Wang.) Koch 16 



Inkberry (Ilex glabra LL.] A. Gray) 16 



Ivy, Poison (Toxicodendron radicans [L.] Kuntze) IT 



Juniper, Common (Juniperus communis L.) IT 



Kentucky Coffee-tree (Gymnocladus dioica [L.] Koch) IT 



Larch, American (Larix laricina [Du Roi] Koch) IT 



Larch, European (Larix decidua Mill.) IT 



Laurel, Mountain (Kalmia latifolia L.) IT 



Laurel, Sheep (Kalmia angustifolia L.) IT 



Linden, American (Tilia americana L. ) 18 



Linden, European (Tilia sp. L.) 18 



Locust, Black (Robinia Pseudoacacia L.) 18 



Locust, Honey (Gleditsia triacantlios L.) 18 



Maple, Mountain (Acer spicatum Lam.) 18 



Maple, Norway (Acer platanoides L.) IS 



Maple, Red (Acer rubrum L.) 19 



Maple, Silver (Acer saccliarinum L.) 19 



Maple, Striped (Acer pennsylvanieum L.) 19 



Maple, Sugar (Acer saccharum Marsh.) 19 



Mulberry, Red (Morus rubra L.) 19 



Mulberry, White (Morus alba L.) 19 



Oak, Bear (Quercus ilicifolia Wang.) 20 



Oak, Black (Quercus velutina Lam.) 19 



Oak, Rock Chestnut (Quercus prinus L.) 20 



Oak, Dwarf Chestnut. (Quercus prinoides Willd. i 20 



Oak, Bur (Quercus macrocarpa Michx.) 20 



Oak. Pin (Quercus palustris Du Roi) 20 



Oak, Post (Quercus stellata Wang.) 20 



Oak, Red (Quercus rubra L.) 20 



Oak, Scarlet (Quercus coccinea Wang.) : 20 



Oak, Shingle (Quercus imbricaria Michx.) 21 



Oak, Swamp White (Quercus bicolor Willd.) 21 



Oak, White (Quercus alba L.) 21 



Osage Orange (Toxylon pomiferum [Raf.]) 21 



Osier, Red (Cornus stolonifera Michx.) 12 



Pear (Pyrus communis L.) 21 



Pepperbush (Xolisma ligustrina [L.] Britton) 18 



Persimmon (Diospyros virginiana L.) -1 



Pine, Gray (Pinus banksiana Lamb.) -- 



Pine, Pitch (Pinus rigida Mill.) 21 



Pine, Red (Pinus resinosa Ait.) 21 



Pine, Scotch (Pinus sylvestris L.) 22 



Pine, White, Western (Pinus monticola Dougl.) 22 



Pine, White (Pinus strobus L.) 22 



Plum, Beach (Prunus mwitima Wang.) 22 



Poplar, Lombardy (Pojmlus nigra var. itaUca Moench) 23 



Poplar, Silver (Populus alba L.) ■ 23 



