2 
Heliotropium Leavenworihiit 194, 206 
Hemerocallis flava 105 
fulva 105 
Thunbergit 105 
emianthus micranthus 209 
emlock-spruce 62, 160 
2, 25 
on, blue-gray II5 
errington, Arthur 144 
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ervey, A. B. 209 
Hibiscus furcellaius 202 
197 
High-bush eae It S 
Hippophaé rhamnoides 
series of the London Plane, The 216 
Hitchcock, A. S. 237 
Hoffm Ralph 
Hollick, gore 
ublfcations Gass 1918 07 
69; 
Hopkins, E. F. 151, 1 
T. 
Horse-chestnut oo 04 
Hovwvcuron, Ff. F. 4 
Birds of ny  PoLnnicsl Garden, 
Nesting, Pie _ 
House, H. De 
Howe, C. D. my pe 
Howe, M. A. 16, 71, 86, 94, 103, 114, 
133, 143, 150, 160, 182, 185, 186, 
22 
. ublications during 1918 97 
M.O.r 
Huckleberry oe 
pe ie Fanny 222 
Humboldt, A. von 174 
Humboldt and Bonpland 155, 157 
Hummingbird 16 
Hurtado, C. x 
Hyacinth 76, 84 
pebble caroliniana 206 
reais s 156, I 
ne 
Ht  § 
2 
siomum flavescens 106 
Hyophie riparia 106 
H 
caceae 129 
Boas aGureum 129 
50 
A sal aiie o 206 
galio 
nt um. - 
Kalmianum 130 
opacum 20 
prolificum 130 
Ibidium 194 
Icacorea 197 
TIgolino, pene 172 
Ilex hibie Ss 68 
nae 
Gecidua 68 
glabra 68 
montana 68 
monticola 68 
verticillata 59 
Ilysanthes oe 206 
Indigo, False 
Inkberry 
Insects attaching anes trees 5 
In ia auie in gardening for convales- 
ae ers | ie (Pls. 227- 
Iris, . 7718 4. 149 
Iris pia 10 
ulva 149 
Isnardia 206 
Ivory-palm 156 
Ivy 82, 84, 132 
Japanese 77, I10 
Poison 68 
Japanese cherry 113 
chestnut 15. 
Johnson, I. M. 45 
Johns in Heating area The 228 
Johnson, Mrs. Mau 132 
ain I 
Juglans I aan 
Jujube 79, 
Jussieu, ‘A. L. or 
Kalen 148 
rey angus 166 
tifolia 16 
Kehr, G. 
Kemp, James FB. or 
Kanda, M. so 153 
17 
