191 
GENERA. 
Page 
Psgt 
Halleria, American Jiy 
Hibiscus, alihaa frutex 
122 
honeysuckle 
110 
Hieriiciutii, hawkmeed 
138 
Hal6ragis 
m 
Hillia 
77 
Hamamelis, witch hazel 
59 
Oirse'a 
91 
Hamellia 
66 
Hirtelia 
67 
Hartdgia 
57 
Hippia 
143 
Hasdquistia 
1% 
Hippocratea 
50 
Hebenstretia 
no 
Hippocre pis, horse-shoe 
Hedera, ivy 
63 
vetch 
131 
Hedwigia 
83 
Hlppbmaoe, manchmeel 
157 
liedy'crea 
68 
■Hippophae, buckthorn loi 
Hedy dry a 
163 
Hippuris, march tml 
, 44 
Hedybtis 
56 
Hoffmannia 
56 
Hedy'sarum, French ho¬ 
Holeus, Indian millet 
167 
neysuckle 
131 
Holds teum 
53 
Heisteria 
88 
Homalium 
104 
HeMnthus, sun-flower 
143, 
Hopda 
134 
Heliotropium, turnsol 
60 
Hordeum, barley 
53 
Heliocarpus, sun f ruit 
95 
Hormmum, Fyrwneun 
Heliconia 
68 
clary 
109 
Helictdes, shrew tree 
149 
Hottonia, water milfoil 
62 
Heldnium, base sun-flower 141 
Hovdnia 
66 
Helidphila 
1I6 
Houstdnia 
56 
Helleborus, hellebore 
105 
Hoiituynia 
106 
Helonias 
80 
Hudsonia 
93 
Helvdlla 
176 
Hugonia 
121 
Hemerocallis, day Utly 
79 
Humulus, hop 
162 
Hemimeris 
111 
Hura, sandbox tree 
157 
Hemionitis, mules fern 
171 
Hyacmthus, hyacinth 
79 
Hepdtis 
76 
Hydnora 
119 
Heracleum, cow parsnip 
71 
Hy'dnum 
176 
Hermannia, African 
Hydrangea 
91 
marsh mallow 
120 
Hydrastis, yellow root 
105 
Heritiera, looking-glass 
Hydrdch aris, frog's bit 
163 
plant 
156 
Hydrocotyle, water navel 
Hermas 
167 
wort 
71 
Hernandia, Jack in a box 153 
Hydrdlea 
69 
Herniaria, rupture zvort 
70 
Hydrophy'llax 
55 
Hesperis, dame's violet 
116 
Hydrophy Hum, water' leaf 62 
Heuchera, American sa- 
Hymense'a, locust tree 
88 
nich 
70 
Hyobanche 
113 
