38 BULLETIN 250, U. S. DEPARTMENT OF AGRICULTURE. 
Page. 
Hickory, Pienut.(Hicoria glabra | Mill] Britten) oo ee eee 15 
Hickory, Shagbark (Hiecoria ovata [Mill.] Britton).* == 15 
Holly, American White (Ilex opaca Ait.)____-_---_--- mes Vee 16 
Honeysuckle, Bush (Diervilla diervilla [L.] MaeM.)___> 13 
Hornbeam, American (Carpinus caroliniana Walt.) ____________ 16 
Hop Hornbeam (Ostrya virginiana [Mill.] Willd.) = 16 
Huckleberry, Highbush (Gaylussacia baccata (Wang.) IKoch_____- 16 * 
Enkherry., (flex _gtabra-[b A. Gray ) 2 ee eS ee eevee oe 16 
Ivy, Poison (Toxicodendron radicans [L.] Kuntze)__-___-___ 47 
Juniper, Common (Juniperus communis da.) 2 2242S ee ee 17 
Kentucky Coffee-tree (Gymnocladus dioica [L.] Koch)___-_-__-______ 17 
Larch, American (Laria laricina [Du Roi] Koch) _—-2s-25> =) 17. 
arch, Huropean -(Lartg deerdua, Mill) =>] 6 2 ee ee ee ee 17 
Haurel,. Mountain Ck @hnic: tetfolte bc) 28 oo ee eee oe a A 
Laurel, Sheep (Kalmia angustifolia L.)______________-_ song aise oe ME a 2123! 17 
Eanden, American | € Pike americaneg Lie) oS eo 8 ee as eee 18 
sanden,-Huropean + Pelee spiel = Bo ee ei ee eee 18 
Locust, Black (Kobinia Pseudoacacia L.)——~~--~--_--_--_-- 18 
Hocust; “Honey: (Gledtisia 77iaeantines ie) Se hess Bee Se ee eee 18 | 
Maple, Mountain ..(Acer spicatum taam)) 3-82 ee ee eee eee is 
Maple, Norway.-(4cer platancides is. j=!) 2) mie wee Ae eee Sais . 
Maple, Red<(Acer-cubrium 1s.) oe es 2201. Spy ee Ae . Sees 19 | 
Maple. Silver. (Acer saechartimimad: ) a 3 oe = ie baa ae 89 ; 
Maple: Striped (A cer pennsylvanicum bj 2 oo 2s eee ee a Sia 19 1 
Maple..Sugar- (A.cer-saceharaum Marshs)2 220 5 se) eee. ee eee 19 | 
Muiherry;..Red : (Morus rubra. Ly 2358 2 es en, See a eee eee 19 
Mulberry; White (fords : @l0@ Ti. )je Ss ee ee eee 19 | 
Oak Bear (Quéreus thietfolia Wane.) 5S ee ae ee ees 20 | 
Oak: Black.( Quercus: veluime bam.) © Jo Soa es eee 19 | 
Oak, Rock Chestnut (Quercus prinus L.) = ~_---_-_- YD tee SR Ra 20 
Oak, Dwarf Chesinut (Quercus -prinocides Willd: ja. = = eee 20 
Oak: “Bur: (Quercus macrocarpa (Msachxt) 2s ee ee eee 20 
Oak: Pin: (Quercus palustris Du: Roi) 22225. aoe ae ee 20 
Gak- Post. (Quercus. sietlata. Wane.) = ae eee: eee 20 
Oak. shed" (Quercus rubra s)e2 ss eee ee eee eee 20 
Oak,’ Scarlet: (Quercus. coccinea: Wang:)= =. ee tak se ek eee 20 
Oak, Shingle \(Quercus imobricaria: Michx.) |: 59. <2 eee eee 21 
Oak, Swamp White (Quercus bicolor Willd.) —) = 2265) =e) Sas 21 
Qak, “White (Quercus :atha As.) 2 20 ee ee eee 21 
Osage Orange (Toxylon pomiferum [Raf.])---__---- mika et ees 21 
@sier: Red (Cornus stotonifera Michx, ==). =) os eee ee eee 12 
Pear €Pyris> COMMAS Th2} = ee ee a te ee 4 | 
Pepperbush (Xolisma ligustrine [L.) Britton) — 2.) ee eee 18 
Persimmon (Diospyros virginiana Ti. ee Bie ae) cote iaeateny Ss Ze ge 21 
Pie (Gray (Pinus banksiena Lamb) 2 28 ae eee Se eee 22 
Pine Piteh. (Pinus riguia Mill.) 22-22 os ee ee 21 
Pme: Red (Pinus -resinosa Ait:) 22. 2 eet es Ee eee 21 
Pime:.Scoteh: (Pinus. syivesinis Djysuls sees 2 Sek Ce a Sees a2 
Pine, White, Western (Pinus monticola Doug.) ——-~----_-_--_ --__-_--= 22 
Pine, White: (Pmus strobus 1.) 2.23 es ee ee eee 22 
Plum, Beach (Prunus maritima Wang) 2 2-22-22 3 eee 22 
Poplar, Lombardy (Populus nigra var. italica Moench) ------______-_-- 23 
Poplar, Silver .(Populus alba Ui)=2224)2 2+. 22:2. Lee eee 23 
